Top 1000 HF Frequencies

Compiled by Larry Van Horn for Police Call

2003 Intership Safety and Operations Simplex Marine Great Lakes USB

2065 Business and Operational Simplex Marine Nationwide USB

2079 Business and Operational Simplex Marine Nationwide USB

2082 Intership Safety and Operations Simplex Marine Nationwide USB Also, intership non‑commercial fishing

2093 Intership Safety and Operations Simplex Marine Nationwide USB

2096 Business and Operational Simplex Marine Nationwide USB

2142 Intership Safety and Operations Simplex Marine Pacific Coast USB

2182 International Distress, Safety and Calling Marine Worldwide USB

2203 Intership Safety and Operations Simplex Marine Gulf of Mexico USB Also, intership non‑commercial fishing

2214 Intership Safety and Operations Simplex Marine Nationwide USB

2252 Navy FACSFAC Tactical Frequency US Navy Virginia Capes, Virginia USB Giant Killer

2301 HF Network National Communications System Nationwide USB

2309 National Guard HF Network US Army Nationwide USB/ALE

2326 Operation Secure Federal/State Government Nationwide USB

2360 National Guard HF Network US Army Nationwide USB/ALE

2371 HF Network Civil Air Patrol Nationwide USB

2374 HF Network Civil Air Patrol Nationwide USB

2382 HF Network National Communications System Nationwide USB

2390 WWCR Broadcaster Nashville, Tennessee USA AM 0500‑1100 UTC

2411 Operation Secure Federal/State Government Nationwide USB

2414 Operation Secure Federal/State Government Nationwide USB

2419 Operation Secure Federal/State Government Nationwide USB

2422 Operation Secure Federal/State Government Nationwide USB

2439 Operation Secure Federal/State Government Nationwide USB

2463 Operation Secure Federal/State Government Nationwide USB

2466 Operation Secure Federal/State Government Nationwide USB

2471 Operation Secure Federal/State Government Nationwide USB

2474 Operation Secure Federal/State Government Nationwide USB

2487 Operation Secure Federal/State Government Nationwide USB

2500 WWV/WWVH Time/Frequency Standard Ft. Collins, CO/Kauai, HI USA AM

2511 Operation Secure Federal/State Government Nationwide USB

2518 HF Tactical Network US Navy Worldwide USB

2520 National Guard HF Network US Army Nationwide USB/ALE

2535 Operation Secure Federal/State Government Nationwide USB

2562 Hurricane Contingency Support Net US Navy Gulf of Mexico USB

2569 Operation Secure Federal/State Government Nationwide USB

2587 Operation Secure Federal/State Government Nationwide USB

2627 National Guard HF Network US Army Nationwide USB/ALE

2635 Intership Safety and Operations Simplex Marine Worldwide USB

2638 Intership Safety and Operations Simplex Marine Nationwide USB

2658 HF Point to Point Network FEMA Nationwide USB/ALE

2670 Coast Guard Liaison/Maritime Safety Broadcast Marine/US Coast Guard Nationwide USB

2738 Intership Safety and Operations Simplex Marine Nationwide except Great Lakes USB

2801 Operation Secure Federal/State Government Nationwide USB

2804 Operation Secure Federal/State Government Nationwide USB

2807 HF Tactical Network Justice/Treasury Departments Nationwide USB

2812 Operation Secure Federal/State Government Nationwide USB

2830 Intership Safety and Operations Simplex Marine Gulf of Mexico USB

2851 NCA‑2 Major World Air Route Area/Flight Test Aeronautical North Central Asia/Worldwide USB

2854 SAT‑2 Major World Air Route Area Aeronautical South Atlantic USB

2863 Pacific VOLMET Aeronautical Pacific USB

2869 CEP‑1/2 Major World Air Route Area Aeronautical Central East Pacific USB

2872 NAT‑C Major World Air Route Area Aeronautical North Atlantic USB

2878 AFI‑4 Major World Air Route Area Aeronautical Africa USB

2887 CAR‑A Major World Air Route Area Aeronautical Caribbean USB

2899 NAT‑B Major World Air Route Area Aeronautical North Atlantic USB

2932 NP‑3/4 Major World Air Route Area Aeronautical North Pacific USB

2944 SAM‑NW/SW/MID‑3 Major World Air Route Area Aeronautical South Atlantic/Middle East USB

2962 NAT‑E Major World Air Route Area Aeronautical North Atlantic USB

2971 NAT‑D Major World Air Route Area Aeronautical North Atlantic USB

2992 MID‑1 Major World Air Route Area Aeronautical Middle East USB

2998 CWP‑1/2 Major World Air Route Area Aeronautical Central West Pacific USB

3004 NCA‑3 Major World Air Route Area/Flight Test Aeronautical North Central Asia/Worldwide USB

3016 NAT‑A/EA‑1 Major World Air Route Area Aeronautical North Atlantic/East Asia USB

3019 NCA‑1 Major World Air Route Area Aeronautical North Central Asia USB

3023 Search and Rescue Coordination Marine/Aeronautical Worldwide USB Government shore, ships and aircraft

3026 Aeronautical Off Route Frequency US Air Force Worldwide USB

3029 Aeronautical Off Route Frequency US Air Force Worldwide USB

3032 Aeronautical Off Route Frequency US Air Force Worldwide USB

3035 Aeronautical Off Route Frequency US Navy Worldwide USB

3038 Aeronautical Off Route Frequency US Navy Worldwide USB

3041 Aeronautical Off Route Frequency US Air Force Worldwide USB

3044 Aeronautical Off Route Frequency US Air Force Worldwide USB

3047 Aeronautical Off Route Frequency/Canadian Military Aeronautical Communications System US Navy/Canadian Forces Worldwide/Nationwide USB

3050 Aeronautical Off Route Frequency US Navy Worldwide USB

3053 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

3056 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

3059 Aeronautical Off Route Frequency US Air Force Worldwide USB/ALE

3062 Aeronautical Off Route Frequency US Air Force Worldwide USB

3065 Aeronautical Off Route Frequency US Air Force Worldwide USB

3068 Aeronautical Off Route Frequency US Air Force Worldwide USB/ALE Airborne Command Post Net (Z‑100)

3071 Aeronautical Off Route Frequency US Air Force Worldwide USB

3074 Aeronautical Off Route Frequency US Air Force Worldwide USB

3078 Aeronautical Off Route Frequency US Air Force Worldwide USB

3080 Aeronautical Off Route Frequency US Air Force Worldwide USB

3083 Aeronautical Off Route Frequency US Navy Worldwide USB

3086 Aeronautical Off Route Frequency US Navy Worldwide USB

3089 Aeronautical Off Route Frequency US Navy Worldwide USB

3092 Aeronautical Off Route Frequency/Canadian Military Aeronautical Communications System US Navy/Canadian Forces Worldwide/Nationwide USB

3095 Aeronautical Off Route Frequency US Navy Worldwide USB

3098 Aeronautical Off Route Frequency US Navy Worldwide USB

3101 Aeronautical Off Route Frequency US Navy Worldwide USB

3104 Aeronautical Off Route Frequency US Navy Worldwide USB

3107 Aeronautical Off Route Frequency US Navy Worldwide USB

3110 Aeronautical Off Route Frequency US Air Force Worldwide USB

3113 Aeronautical Off Route Frequency US Air Force Worldwide USB

3116 Aeronautical Off Route Frequency US Air Force Worldwide USB Airborne Command Post Net (Z‑105)

3119 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

3122 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

3125 Aeronautical Off Route Frequency US Navy Worldwide USB

3128 Aeronautical Off Route Frequency US Navy Worldwide USB

3131 Aeronautical Off Route Frequency US Navy Worldwide USB

3134 Aeronautical Off Route Frequency US Air Force Worldwide USB/ALE Airborne Command Post Net (Z‑110)

3137 Aeronautical Off Route Frequency US Air Force Worldwide USB/ALE Air Force Scope Command

3140 Aeronautical Off Route Frequency US Air Force Worldwide USB

3143 Aeronautical Off Route Frequency US Air Force Worldwide USB Airborne Command Post Net (Z‑115)

3146 Aeronautical Off Route Frequency US Air Force Worldwide USB

3149 Aeronautical Off Route Frequency US Navy Worldwide USB

3152 Aeronautical Off Route Frequency US Navy Worldwide USB

3166 HF Tactical Network US Navy Worldwide USB

3170 National Guard HF Network US Army Nationwide USB/ALE

3170 Disaster Network American Red Cross Nationwide USB

3187 Space Shuttle SRB Recovery Net NASA Atlantic Ocean USB

3202 Disaster/Emergency Services Network Federal/State Government Nationwide USB

3210 WWCR Broadcaster Nashville, Tennessee USA AM 0400‑0900 UTC

3215 WWCR Broadcaster Nashville, Tennessee USA AM 0100‑0400 UTC

3253 HF Network Interior Department Nationwide USB

3274 National Guard HF Network US Army Nationwide USB/ALE

3281 Flight Test Aeronautical Worldwide USB

3295 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑120)

3303 HF Emergency Net Transportation Department Nationwide USB

3307 HF Tactical Network US Navy Worldwide USB

3311 Air Force MARS Transcontinental Network US Air Force Nationwide USB

3330 CHU Time/Frequency Standard Ottawa, Ontario Canada AM

3341 HF Point to Point Network FEMA Nationwide USB/ALE

3345 HF Point to Point Network Army Corps of Engineers Nationwide USB/ALE

3360 HF Point to Point Network Environmental Protection Agency Nationwide USB

3365 Hurricane Contingency Support Net NASA Atlantic USB

3385 HF Point to Point Network NASA Nationwide USB

3413 CEP‑1/2 Major World Air Route Area/Europe VOLMET Aeronautical Central East Pacific/Europe USB

3419 AFI‑2 Major World Air Route Area Aeronautical Africa USB

3443 Flight Test Aeronautical Worldwide USB

3452 AFI‑1/SAT‑1 Major World Air Route Area Aeronautical Africa/South Africa USB

3455 CAR‑B Major World Air Route Area Aeronautical Caribbean USB

3467 AFI‑3/MID‑2/SP‑6/7 Major World Air Route Area Aeronautical Africa/Middle East/South Pacific USB

3470 SEA‑1/3 Major World Air Route Area Aeronautical South East Asia USB

3476 NAT‑F/INO‑1 Major World Air Route Area Aeronautical North Atlantic/Indian Ocean USB

3479 SAM‑C/NE/SE/EUR‑A Major World Air Route Area Aeronautical South America/Europe USB

3485 EA‑2/SEA‑2 Major World Air Route Area/North Atlantic VOLMET Aeronautical East Asia/South East Asia/North Atlantic USB

3950 Amateur Radio Hurricane Watch Net Amateur Worldwide LSB Alternate

4000 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4003 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4006 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4009 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4012 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4015 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4018 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4021 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4024 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4027 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4030 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4033 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4035 National Guard HF Network US Army Louisiana Statewide USB

4036 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4039 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4041 Navy/Marine Corps MARS HF Network US Navy Nationwide USB

4042 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4045 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4048 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4051 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4054 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4055 HF Emergency Net Transportation/Federal Aviation Administration Nationwide USB

4057 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4060 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

4042 Navy/Marine Corps MARS ECOM US Navy Nationwide USB

4101 HF Tactical Network US Navy Worldwide USB

4125 Global Maritime Distress/Safety System Marine Worldwide USB

4146 Maritime Simplex Marine Worldwide USB

4149 Maritime Simplex Marine Worldwide USB

4153 HF Tactical Network US Navy Worldwide USB

4240 National Guard HF Network US Army South Carolina Statewide USB

4250 National Guard HF Network US Army Georgia Statewide USB

4278 Armd Forces Network/AFN Broadcaster Key West, Florida USA USB 24 Hours

4296 National Guard HF Network US Army Iowa Statewide USB

4341 Reserve HF Network US Air Force Nationwide USB

4369 WLO Marine Mobile, Alabama USA USB Ships transmit on 4077

4372 Navy FACSFAC Tactical Frequency US Navy Virginia Capes, Virginia USB Giant Killer

4395 HF Tactical Network US Navy Worldwide USB

4417 Worldwide Calling Frequency Marine Worldwide USB Ships transmit on 4125

4426 Coast Guard Calling/HF Frequency Broadcast Marine/US Coast Guard Nationwide USB Ships transmit on 4134

4438 Bellcore/Power Utility Network Various Nationwide USB

4442 National Guard HF Network US Army Nationwide USB/ALE

4445 National Guard HF Network US Army Nationwide USB/ALE

4466 HF Network Civil Air Patrol Northeast RegionSoutheast Region USB

4469 HF Network Civil Air Patrol Northeast RegionSoutheast Region USB

4472 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑130)

4479 HF Network Energy Department Nationwide USB/ALE

4490 HF SHARES Network US Government Nationwide USB/ALE

4495 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑125)

4506 HF Network Civil Air Patrol North Central Region USB

4509 HF Network Civil Air Patrol North Central Region USB

4517 National Guard HF Network US Army Nationwide USB/ALE

4520 National Guard HF Network US Army New Jersey/South Dakota Statewide USB

4528 HF Tactical Network US Navy Worldwide USB

4536 National Guard HF Network US Army Nationwide USB/ALE

4555 National Guard HF Network US Army New Mexico Statewide USB

4562 National Guard HF Network US Army Nationwide USB/ALE

4580 National Guard HF Network US Army Washington Statewide USB

4582 HF Network Civil Air Patrol Middle East Region/Pacific Region USB

4585 HF Network Civil Air Patrol Middle East Region/Pacific Region USB

4590 Air Force MARS Transcontinental Network US Air Force Nationwide USB

4601 HF Network Civil Air Patrol Great Lakes Region/Rocky Mountain Region USB

4604 HF Network Civil Air Patrol Great Lakes Region/Rocky Mountain Region USB

4607 National Guard HF Network US Army Nationwide USB/ALE

4610 National Guard HF Network US Army Illinois Statewide USB

4627 HF Network Civil Air Patrol Southwest Region USB

4630 HF Network Civil Air Patrol Southwest Region USB

4637 National Guard HF Network US Army Nationwide USB/ALE

4666 CWP‑1/2 Major World Air Route Area Aeronautical Central West Pacific USB

4669 SAM‑NW/SW/MID‑1/3 Major World Air Route Area Aeronautical South Atlantic/Middle East USB

4675 NAT‑D Major World Air Route Area Aeronautical North Atlantic USB

4678 NCA‑2 Major World Air Route Area Aeronautical North Central Asia USB

4700 Aeronautical Off Route Frequency US Navy Worldwide USB

4703 Aeronautical Off Route Frequency/Canadian Military Aeronautical Communications System US Navy/Canadian Forces Worldwide/Nationwide USB

4706 Aeronautical Off Route Frequency US Navy Worldwide USB

4709 Aeronautical Off Route Frequency US Navy Worldwide USB

4712 Aeronautical Off Route Frequency US Navy Worldwide USB

4715 Aeronautical Off Route Frequency US Navy Worldwide USB

4718 Aeronautical Off Route Frequency US Air Force Worldwide USB

4721 Aeronautical Off Route Frequency US Air Force Worldwide USB/ALE Air Force Scope Command

4724 Aeronautical Off Route Frequency US Air Force Worldwide USB Global HF System Primary

4727 Aeronautical Off Route Frequency US Air Force Worldwide USB

4730 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

4733 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

4736 Aeronautical Off Route Frequency US Navy Worldwide USB

4739 Aeronautical Off Route Frequency US Air Force/US Navy Worldwide USB

4742 Aeronautical Off Route Frequency/Royal Air Force HF Network US Air Force/RAF (UK) Worldwide USB

4745 Aeronautical Off Route Frequency US Air Force Worldwide USB/ALE Airborne Command Post Net (Z‑135)

4776 National Guard HF Network US Army Nationwide USB/ALE

4780 National Guard HF Network US Army District of Colombia/Indiana Statewide USB

4821 HF Network Federal Highway Administration Nationwide USB

4827 National Guard HF Network US Army Kentucky Statewide USB

4857 National Guard HF Network US Army Nationwide USB/ALE

4860 National Guard HF Network US Army Idaho Statewide USB

4863 HF Network Interior Department Nationwide USB

4867 National Guard HF Network US Army Maryland Statewide USB

4900 Hurricane Contingency Support Net US Air Force Eastern Test Range USB

4926 HF Tactical Network US Army Nationwide USB

4952 HF Network MITRE Corporation Nationwide USB

4957 National Guard HF Network US Army Nationwide USB/ALE

4960 National Guard HF Network US Army Mississippi Statewide USB

4990 HF Point to Point Network Environmental Protection Agency Nationwide USB

4991 HF Tactical Network Justice/Treasury Departments Nationwide USB/ALE

5000 WWV/WWVH Time/Frequency Standard Ft. Collins, CO/Kauai, HI USA AM

5008 HF Emergency Net Transportation Department Nationwide USB

5015 HF Point to Point Network Army Corps of Engineers Nationwide USB/ALE

5026 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑140)

5045 National Guard HF Network US Army Montana Statewide USB

5062 National Guard HF Network US Army Nationwide USB/ALE

5070 WWCR Broadcaster Nashville, Tennessee USA AM 0000‑1300 UTC

5080 Western Missile Range US Air Force Pacific USB Plead Control

5085 WGTG Broadcaster McCaysville, Georgia USA AM 0000‑0700 UTC

5087 National Guard HF Network US Army Wisconsin Statewide USB

5087 HF Network US Army Material Command Nationwide USB

5126 National Guard HF Network US Army Nationwide USB/ALE

5135 Operation Secure Federal/State Government Nationwide USB

5140 Operation Secure Federal/State Government Nationwide USB

5171 Navy FACSFAC Tactical Frequency US Navy Virginia Capes, Virginia USB Giant Killer

5180 Space Shuttle SRB Recovery Net NASA Atlantic Ocean USB

5190 Space Shuttle SRB Recovery Net NASA Atlantic Ocean USB

5192 Operation Secure Federal/State Government Nationwide USB

5195 Operation Secure Federal/State Government Nationwide USB

5202 National Guard HF Network US Army Nationwide USB/ALE

5205 National Guard HF Network US Army Colorado/Florida Statewide USB

5211 HF Point to Point Network (Night Primary) FEMA Nationwide USB

5217 National Guard HF Network US Army Nationwide USB/ALE

5232 National Guard HF Network US Army Nationwide USB/ALE

5236 HF SHARES Network US Government Nationwide USB

5255 HF Network Maritime Administration Nationwide USB

5277 HF Night Primary (Alpha) DEA Worldwide USB

5298 National Guard HF Network US Army Nationwide USB/ALE

5300 HF Network US Transportation Command Nationwide USB

5305 HF Network US Transportation Command Nationwide USB

5320 HF Tactical Network US Coast Guard Worldwide USB

5323 National Guard HF Network US Army Nationwide USB/ALE

5326 HF Point to Point Network Army Corps of Engineers Nationwide USB/ALE

5350 Hurricane Contingency Support Net US Air Force Eastern Test Range USB

5380 HF Network Interior Department Nationwide USB

5400 HF Point to Point Network Army Corps of Engineers Nationwide USB/ALE

5402 HF Point to Point Network FEMA Nationwide USB/ALE

5429 National Guard HF Network US Army Nationwide USB/ALE

5436 HF Point to Point Network Army Corps of Engineers Nationwide USB/ALE

5451 Flight Test Aeronautical Worldwide USB

5469 Flight Test Aeronautical Worldwide USB

5493 AFI‑4 Major World Air Route Area Aeronautical Africa USB

5505 Europe VOLMET Aeronautical Europe USB

5520 CAR‑B Major World Air Route Area Aeronautical Caribbean USB

5526 SAM‑C/NE/SE Major World Air Route Area Aeronautical South America USB

5547 CEP‑1/2 Major World Air Route Area Aeronautical Central East Pacific USB

5550 CAR‑A Major World Air Route Area Aeronautical Caribbean USB

5565 SAT‑2 Major World Air Route Area Aeronautical South Atlantic USB

5571 Flight Test Aeronautical Worldwide USB

5574 CEP‑1/2 Major World Air Route Area Aeronautical Central East Pacific USB

5598 NAT‑A Major World Air Route Area Aeronautical North Atlantic USB

5616 NAT‑B Major World Air Route Area Aeronautical North Atlantic USB

5628 NP‑3/4 Major World Air Route Area Aeronautical North Pacific USB

5634 INO‑1 Major World Air Route Area Aeronautical Indian Ocean USB

5643 SP‑6/7 Major World Air Route Area Aeronautical South Pacific USB

5646 NCA‑1 Major World Air Route Area Aeronautical North Central Asia USB

5649 NAT‑C/EA‑2/SEA‑2 Major World Air Route Area Aeronautical North Atlantic/East Asia/South East Asia USB

5652 AFI‑2 Major World Air Route Area Aeronautical Africa USB

5655 EA‑2/SEA‑2 Major World Air Route Area Aeronautical East Asia/South East Asia USB

5658 AFI‑3/MID‑2 Major World Air Route Area Aeronautical Africa/Middle East USB

5661 EUR‑A Major World Air Route Area Aeronautical Europe USB

5664 NCA‑3 Major World Air Route Area Aeronautical North Central Asia USB

5667 MID‑1 Major World Air Route Area Aeronautical Middle East USB

5670 SEA‑1 Major World Air Route Area Aeronautical South East Asia USB

5677 NP‑3/4 Major World Air Route Area Aeronautical North Pacific USB

5680 International Search and Rescue Aeronautical Worldwide USB

5684 Aeronautical Off Route Frequency US Air Force Worldwide USB

5687 Aeronautical Off Route Frequency US Air Force Worldwide USB

5690 Aeronautical Off Route Frequency US Air Force Worldwide USB

5693 Aeronautical Off Route Frequency US Coast Guard/US Navy Worldwide USB

5696 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

5699 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

5702 Aeronautical Off Route Frequency US Air Force Worldwide USB

5705 Aeronautical Off Route Frequency US Air Force Worldwide USB Airborne Command Post Net (Z‑145)

5708 Aeronautical Off Route Frequency US Air Force Worldwide USB/ALE Air Force Scope Command

5711 Aeronautical Off Route Frequency/HF SHARES Network US Air Force/US Government Worldwide USB/ALE

5714 Aeronautical Off Route Frequency US Navy Worldwide USB

5717 Aeronautical Off Route Frequency/Space Shuttle Support US Navy/NASA Worldwide USB

5720 Aeronautical Off Route Frequency US Navy Worldwide USB

5723 Aeronautical Off Route Frequency US Navy Worldwide USB

5726 Aeronautical Off Route Frequency/Antarctica Operations US Navy Worldwide/Antarctica USB

5733 SEA‑3 Major World Air Route Area Aeronautical South East Asia USB

5745 WHRI Broadcaster Noblesville, Indiana USA AM 2100‑1000 UTC

5770 National Guard HF Network US Army Nationwide USB/ALE

5777 National Guard HF Network US Army Nationwide USB/ALE

5800 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑150)

5817 National Guard HF Network US Army Nationwide USB/ALE

5825 WEWN Broadcaster Birmingham, Alabama USA AM 0000‑0800 UTC

5840 HF Tactical Network US Navy Worldwide USB

5841 HF Night Secondary (Bravo) DEA Worldwide USB

5847 National Guard HF Network US Army Nationwide USB/ALE

5850 WYFR Broadcaster Okeechobee, Florida USA AM 1200‑1245 UTC

5860 HF Network Federal Aviation Administration Nationwide USB/ALE

5875 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑155)

5877 National Guard HF Network US Army Nationwide USB/ALE

5901 HF Network Agriculture Department Nationwide USB

5912 HF Tactical Network Justice/Treasury Departments Nationwide USB/ALE

5930 Radio Slovakia International Broadcaster Bratislava, Slovakia AM 0100‑0130 UTC

5935 WWCR Broadcaster Nashville, Tennessee USA AM 0200‑1200 UTC

5950 Radio Taiwan International Broadcaster Taipei, Taiwan AM 0200‑0400 UTC

5950 Radio Taiwan International Broadcaster Taipei, Taiwan AM 0700‑0800 UTC

5950 WYFR Broadcaster Okeechobee, Florida USA AM 1000‑1200 UTC

5960 Radio Canada International/RCI Broadcaster Montreal, Quebec Canada AM 2300‑2359 UTC

5965 BBC World Service Broadcaster London, England AM 1100‑1130 UTC

5965 BBC World Service Broadcaster London, England AM 1200‑1400 UTC

5975 BBC World Service Broadcaster London, England AM 2200‑0600 UTC

5985 WYFR Broadcaster Okeechobee, Florida USA AM 0500‑0700 UTC

5995 Voice of America/VOA Broadcaster Washington, DC USA AM 0000‑0200 UTC

6000 Radio Havana Cuba/RHC Broadcaster Havana, Cuba AM 0100‑0500 UTC

6010 National Guard HF Network US Army Kentucky Statewide USB

6010 RAI International Broadcaster Rome, Italy AM 0100‑0110 UTC

6020 HF Point to Point Network Army Corps of Engineers Nationwide USB/ALE

6040 Deutsche Welle Broadcaster Cologne, Germany AM 0100‑0145 UTC

6040 WHRI Broadcaster Noblesville, Indiana USA AM 1000‑1500 UTC

6047 National Guard HF Network US Army Nationwide USB/ALE

6055 Radio Exterior Espana/REE Broadcaster Madrid, Spain AM 0000‑0200 UTC

6055 Radio Exterior Espana/REE Broadcaster Madrid, Spain AM 0500‑0600 UTC

6065 WYFR Broadcaster Okeechobee, Florida USA AM 0100‑0500 UTC

6085 WYFR Broadcaster Okeechobee, Florida USA AM 0000‑0100 UTC

6090 Caribbean Beacon Broadcaster Anguilla, BWI AM 2200‑1000 UTC

6095 WSHB Broadcaster Cypress Creek, South Carolina USA AM 1000‑1300 UTC

6110 Radio Japan/NHK Broadcaster Tokyo, Japan AM 0500‑0600 UTC

6115 Radio Tirana International Broadcaster Tirana, Albania AM 0230‑0300 UTC

6120 Radio Japan/NHK Broadcaster Tokyo, Japan AM 1100‑1200 UTC

6135 BBC World Service Broadcaster London, England AM 0200‑0500 UTC

6165 Radio Netherlands Broadcaster Hilversum, Netherlands AM 0430‑0530 UTC

6165 Radio Netherlands Broadcaster Hilversum, Netherlands AM 2330‑0130 UTC

6175 BBC World Service Broadcaster London, England AM 2200‑0700 UTC

6195 BBC World Service Broadcaster London, England AM 1200‑1300 UTC

6215 Global Maritime Distress/Safety System Marine Worldwide USB

6224 Maritime Simplex Marine Worldwide USB

6227 Maritime Simplex Marine Worldwide USB

6230 Maritime Simplex Marine Worldwide USB

6427 HF Network US Navy Nationwide USB Space Warfare Command

6458 Armd Forces Network/AFN Broadcaster Key West, Florida USA USB 24 Hours

6501 Coast Guard Calling/HF Frequency Broadcast Marine/US Coast Guard Nationwide USB Ships transmit on 6200

6516 Worldwide Calling Frequency Marine Worldwide USB Ships transmit on 6215

6519 WLO Marine Mobile, Alabama USA USB Ships transmit on 6218

6532 CWP‑1/2 Major World Air Route Area Aeronautical Central West Pacific USB

6535 AFI‑1/SAT‑1 Major World Air Route Area Aeronautical Africa/South Africa USB

6556 SEA‑1/3 Major World Air Route Area Aeronautical South East Asia USB

6562 CWP‑1/2 Major World Air Route Area Aeronautical Central West Pacific USB

6571 EA‑1 Major World Air Route Area Aeronautical East Asia USB

6577 CAR‑A Major World Air Route Area Aeronautical Caribbean USB

6586 CAR‑B Major World Air Route Area Aeronautical Caribbean USB

6592 NCA‑2 Major World Air Route Area Aeronautical North Central Asia USB

6598 EUR‑A Major World Air Route Area Aeronautical Europe USB

6622 NAT‑F Major World Air Route Area Aeronautical North Atlantic USB

6628 NAT‑E Major World Air Route Area Aeronautical North Atlantic USB

6631 MID‑1/3 Major World Air Route Area Aeronautical Middle East USB

6649 CAR‑A/SAM‑NW/SW Major World Air Route Area Aeronautical Caribbean/South Atlantic USB

6665 NP‑3/4 Major World Air Route Area Aeronautical North Pacific USB

6676 South East Asia VOLMET Aeronautical South East Asia USB

6679 Pacific VOLMET Aeronautical Pacific USB

6685 Aeronautical Off Route Frequency US Air Force Worldwide USB

6688 Aeronautical Off Route Frequency US Navy Worldwide USB

6691 Aeronautical Off Route Frequency US Navy Worldwide USB

6694 Aeronautical Off Route Frequency US Navy Worldwide USB

6697 Aeronautical Off Route Frequency US Navy Worldwide USB

6700 Aeronautical Off Route Frequency US Navy Worldwide USB

6703 Aeronautical Off Route Frequency US Navy Worldwide USB

6706 Aeronautical Off Route Frequency/Canadian Military Aeronautical Communications System US Navy/Canadian Forces Worldwide/Nationwide USB

6709 Aeronautical Off Route Frequency US Air Force Worldwide USB

6712 Aeronautical Off Route Frequency US Air Force Worldwide USB Hurricane and Rescue Support Frequency

6715 Aeronautical Off Route Frequency US Air Force Worldwide USB/ALE Airborne Command Post Net (Z‑160)/Air Force Scope Command

6718 Aeronautical Off Route Frequency US Navy Worldwide USB

6721 Aeronautical Off Route Frequency US Air Force/US Navy Worldwide USB/ALE Air Force Scope Command

6724 Aeronautical Off Route Frequency US Navy Worldwide USB

6727 Aeronautical Off Route Frequency US Air Force Worldwide USB

6730 Aeronautical Off Route Frequency US Air Force Worldwide USB

6733 Aeronautical Off Route Frequency US Air Force Worldwide USB

6736 Aeronautical Off Route Frequency US Air Force Worldwide USB

6739 Aeronautical Off Route Frequency US Air Force Worldwide USB Global HF System Primary

6742 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

6745 Aeronautical Off Route Frequency/Canadian Military Aeronautical Communications System US Navy/Canadian Forces Worldwide/Nationwide USB

6748 Aeronautical Off Route Frequency US Navy Worldwide USB

6751 Aeronautical Off Route Frequency US Air Force Worldwide USB

6754 Aeronautical Off Route Frequency/Canadian Military Aeronautical Communications System (weather only) US Air Force/Canadian Forces Worldwide/Nationwide USB

6757 Aeronautical Off Route Frequency US Air Force Worldwide USB/ALE Airborne Command Post Net (Z‑165)

6760 Aeronautical Off Route Frequency US Air Force Worldwide USB

6761 Aerial Refueling Tactical US Air Force Worldwide USB

6763 Bellcore/Power Utility Network Various Nationwide USB/ALE

6766 National Guard HF Network US Army Nationwide USB/ALE

6766 HF Network Interior Department Nationwide USB

6785 HF Point to Point Network Army Corps of Engineers Nationwide USB/ALE

6800 HF SHARES Network US Government Nationwide USB/ALE

6802 HF Point to Point Network AT&T Nationwide USB

6809 HF Point to Point Network FEMA Nationwide USB/ALE

6820 Western Missile Range US Air Force Pacific USB Aria Control

6821 HF Point to Point Network Environmental Protection Agency Nationwide USB

6835 Navy FACSFAC Tactical Frequency US Navy Pensacola, FL USB Seabreeze

6840 HF Network Federal Aviation Administration Nationwide USB/ALE

6845 HF Network National Communications System Nationwide USB

6858 Disaster Network American Red Cross Nationwide USB

6870 HF Network Federal Aviation Administration Nationwide USB/ALE Hurricane Support Network

6890 WGTG Broadcaster McCaysville, Georgia USA AM 2200‑0700 UTC

6910 National Guard HF Network US Army Nationwide USB/ALE

6937 Space Shuttle HF Support Network US Navy Atlantic Ocean USB

6981 HF Point to Point Network NASA Nationwide USB

6992 National Guard HF Network US Army Arizona Statewide USB

6993 Mystic Star VIP Support Network US Air Force Worldwide USB

6996 HF Network International Red Cross Worldwide USB

7125 Voice of Russia World Service Broadcaster Moscow, Russia AM 0400‑0500 UTC

7160 Radio Tirana International Broadcaster Tirana, Albania AM 0230‑0300 UTC

7302 Air Force MARS Transcontinental Network US Air Force Nationwide USB

7305 Vatican Radio Broadcaster Vatican City, Vatican AM 0250‑0310 UTC

7335 CHU Time/Frequency Standard Ottawa, Ontario Canada AM

7345 Radio Prague International Broadcaster Prague, Czech Republic AM 0100‑0127 UTC

7348 HF Point to Point Network FEMA Nationwide USB/ALE

7355 WRNO Broadcaster New Orleans, Louisiana USA AM 2300‑0300 UTC

7375 HF Emergency Net Transportation Department Nationwide USB

7381 Navy/Marine Corps MARS HF Network US Navy Nationwide USB

7395 WRNO Broadcaster New Orleans, Louisiana USA AM 0300‑2300 UTC

7405 Voice of America/VOA Broadcaster Washington, DC USA AM 0000‑0200 UTC

7405 China Radio International Broadcaster Bejing, China AM 1400‑1456 UTC

7412 Hurricane Contingency Support Net US Air Force Eastern Test Range USB

7415 WBCQ Broadcaster Monticello, Maine USA AM 2000‑0800 UTC

7425 WEWN Broadcaster Birmingham, Alabama USA AM 1000‑1200 UTC

7428 HF Network Energy Department Nationwide USB

7435 WWCR Broadcaster Nashville, Tennessee USA AM 0900‑1000 UTC

7435 WWCR Broadcaster Nashville, Tennessee USA AM 1200‑1300 UTC

7435 WWCR Broadcaster Nashville, Tennessee USA AM 2200‑0500 UTC

7461 Space Shuttle HF Support Network NASA Atlantic Ocean USB

7475 HF Network Federal Aviation Administration Nationwide USB/ALE

7477 Operation Secure Federal/State Government Nationwide USB

7480 Operation Secure Federal/State Government Nationwide USB

7485 HF Network Federal Aviation Administration Nationwide USB/ALE

7490 WJCR Broadcaster Upton, Kentucky USA AM 0000‑0700 UTC

7500 HF Tactical Network US Marine Corps Worldwide USB

7507 Caribbean Hurricane Net US Coast Guard/US Navy` Caribbean USB

7510 KTBN Broadcaster Salt Lake City, Utah USA AM 0000‑1500 UTC

7527 COTHEN HF Network Custom Service Worldwide USB Scan‑1

7535 WSHB Broadcaster Cypress Creek, South Carolina USA AM 0200‑0300 UTC

7535 HF Tactical Network US Navy Worldwide USB

7540 Air Force MARS Transcontinental Network US Air Force Nationwide USB

7545 Air Force MARS Transcontinental Network US Air Force Nationwide USB

7549 Disaster Network American Red Cross Nationwide USB

7555 KJES Broadcaster Vado, New Mexico USA AM 0100‑0300 UTC

7580 WHRA Broadcaster Greenbush, Maine USA AM 2300‑0500 UTC

7582 HF Emergency Net Transportation Department Nationwide USB

7611 HF Network Federal Aviation Administration Nationwide USB/ALE

7632 Air Force HF Network US Air Force Worldwide USB/ALE Air Force Scope Command

7635 HF Network Civil Air Patrol Nationwide USB

7646 National Guard HF Network US Army Nationwide USB/ALE

7657 HF Night Secondary DEA Worldwide USB

7672 Space Shuttle HF Support Network NASA Atlantic Ocean USB

7802 Operation Secure Federal/State Government Nationwide USB

7805 Operation Secure Federal/State Government Nationwide USB

7831 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑170)

7880 HF Network Interior Department Nationwide USB

7932 Operation Secure Federal/State Government Nationwide USB

7935 Operation Secure Federal/State Government Nationwide USB

8037 National Guard HF Network US Army Nationwide USB/ALE

8047 National Guard HF Network US Army Nationwide USB/ALE

8053 National Guard HF Network US Army Nationwide USB/ALE

8056 National Guard HF Network US Army Nationwide USB

8093 National Guard HF Network US Army Nationwide USB/ALE

8101 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8104 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8107 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8110 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8113 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8116 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8119 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8122 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8125 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8125 HF Network Federal Aviation Administration Nationwide USB/ALE

8128 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8131 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8134 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8137 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8140 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8143 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8146 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8149 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8152 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8157 National Guard HF Network US Army Nationwide USB/ALE

8158 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8161 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8164 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8167 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8170 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8173 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8176 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8179 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8180 National Guard HF Network US Army Oregon Statewide LSB

8182 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8185 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8188 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8191 Maritime Simplex/Duplex (Shared) Marine Worldwide USB

8291 Global Maritime Distress/Safety System Marine Worldwide USB

8294 Maritime Simplex Marine Worldwide USB

8297 Maritime Simplex Marine Worldwide USB

8495 Reserve HF Network US Air Force Nationwide USB

8622 National Guard HF Network US Army Alabama Statewide USB

8689 HF Network US Navy Nationwide USB Space Warfare Command

8764 Coast Guard Calling/HF Frequency Broadcast Marine/US Coast Guard Nationwide USB Ships transmit on 8240

8779 Worldwide Calling Frequency Marine Worldwide USB Ships transmit on 8255

8788 WLO Marine Mobile, Alabama USA USB Ships transmit on 8264

8806 WLO Marine Mobile, Alabama USA USB Ships transmit on 8282

8825 NAT‑E Major World Air Route Area Aeronautical North Atlantic USB

8828 Pacific VOLMET Aeronautical Pacific USB

8831 NAT‑F Major World Air Route Area Aeronautical North Atlantic USB

8843 CEP‑1/2 Major World Air Route Area Aeronautical Central East Pacific USB

8846 CAR‑B Major World Air Route Area Aeronautical Caribbean USB

8855 SAM‑C/NE/SE Major World Air Route Area Aeronautical South America USB

8861 AFI‑1/SAT‑1 Major World Air Route Area Aeronautical Africa/South Africa USB

8864 NAT‑B Major World Air Route Area Aeronautical North Atlantic USB

8867 SP‑6/7 Major World Air Route Area Aeronautical South Pacific USB

8879 NAT‑C/INO‑1 Major World Air Route Area Aeronautical North Atlantic/Indian Ocean USB

8891 NAT‑D Major World Air Route Area Aeronautical North Atlantic USB

8894 AFI‑2 Major World Air Route Area Aeronautical Africa USB

8897 EA‑1 Major World Air Route Area Aeronautical East Asia USB

8903 AFI‑4/CWP‑1/2 Major World Air Route Area Aeronautical Africa/Central West Pacific USB

8906 NAT‑A Major World Air Route Area Aeronautical North Atlantic USB

8912 COTHEN HF Network Custom Service Worldwide USB Scan 2

8915 NP‑3/4 Major World Air Route Area Aeronautical North Pacific USB

8918 CAR‑A Major World Air Route Area Aeronautical Caribbean USB

8942 EA‑2/SEA‑2 Major World Air Route Area Aeronautical East Asia/South East Asia USB

8951 MID‑1/3 Major World Air Route Area Aeronautical Middle East USB

8957 Europe VOLMET Aeronautical Europe USB

8965 Aeronautical Off Route Frequency US Air Force Worldwide USB/ALE Air Force Scope Command

8968 Aeronautical Off Route Frequency US Air Force Worldwide USB

8971 Aeronautical Off Route Frequency US Navy Worldwide USB

8974 Aeronautical Off Route Frequency/Royal Australian Air Force HF Network US Navy/RAAF Worldwide USB

8977 Aeronautical Off Route Frequency US Navy Worldwide USB

8980 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

8983 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

8986 Aeronautical Off Route Frequency US Air Force Worldwide USB

8989 Aeronautical Off Route Frequency US Air Force Worldwide USB

8992 Aeronautical Off Route Frequency US Air Force Worldwide USB Global HF System Primary

8995 Aeronautical Off Route Frequency US Navy Worldwide USB

8998 Aeronautical Off Route Frequency/Antarctica Operations US Navy Worldwide/Antarctica USB

9001 Aeronautical Off Route Frequency US Navy Worldwide USB

9004 Aeronautical Off Route Frequency US Navy Worldwide USB

9007 Aeronautical Off Route Frequency/Canadian Military Aeronautical Communications System US Navy/Canadian Forces Worldwide/Nationwide USB

9010 Aeronautical Off Route Frequency US Navy Worldwide USB

9013 Aeronautical Off Route Frequency US Air Force Worldwide USB

9016 Aeronautical Off Route Frequency US Air Force Worldwide USB Airborne Command Post Net (Z‑175)

9019 Aeronautical Off Route Frequency US Air Force Worldwide USB Hurricane Hunter command post to aircraft network

9022 Voice of the Isalmic Republic of Iran/VOIRI Broadcaster Teheran, Iran AM 0030‑0130 UTC

9022 Aeronautical Off Route Frequency US Air Force Worldwide USB

9023 NORAD HF Tactical US Air Force Worldwide USB

9025 Aeronautical Off Route Frequency US Air Force Worldwide USB/ALE Air Force Scope Command

9028 Aeronautical Off Route Frequency US Navy Worldwide USB

9031 Aeronautical Off Route Frequency/Royal Australian Air Force/Royal Air Force US Navy/RAAF/RAF (UK) Worldwide USB

9034 Aeronautical Off Route Frequency US Navy/US Coast Guard Worldwide USB

9037 Aeronautical Off Route Frequency US Navy/US Coast Guard Worldwide USB

9043 Space Shuttle HF Support Network NASA Atlantic Ocean USB

9054 HF Network National Communications System Nationwide USB

9057 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑180)/Air Force Scope Command

9070 HF Network National Communications System Nationwide USB

9076 HF Emergency Net Transportation Department Nationwide USB

9106 HF SHARES Network US Government Nationwide USB/ALE

9114 HF Network Federal Aviation Administration Nationwide USB/ALE

9120 HF Tactical network US Air Force Worldwide USB

9121 National Guard HF Network US Army Nationwide USB/ALE

9122 HF Point to Point Network Army Corps of Engineers Nationwide USB/ALE

9141 National Guard HF Network US Army Nationwide USB/ALE

9197 HF Network Federal Highway Administration Nationwide USB

9260 HF Tactical network US Air Force Worldwide USB

9270 HF Network Agriculture Department Nationwide USB

9357 National Guard HF Network US Army Hawaii Statewide USB

9370 WTJC Broadcaster Newport, North Carolina USA AM 24 Hours

9380 Caribbean Hurricane Net US Coast Guard/US Navy` Caribbean USB

9385 WEWN Broadcaster Birmingham, Alabama USA AM 2200‑0000 UTC

9430 WSHB Broadcaster Cypress Creek, South Carolina USA AM 0000‑0300 UTC

9430 WSHB Broadcaster Cypress Creek, South Carolina USA AM 1300‑1400 UTC

9435 HF Network Immigration and Naturalization Service Nationwide LSB

9440 Radio Slovakia International Broadcaster Bratislava, Slovakia AM 0100‑0130 UTC

9455 WSHB Broadcaster Cypress Creek, South Carolina USA AM 1300‑1400 UTC

9462 HF Point to Point Network FEMA Nationwide USB/ALE

9475 Radio Cairo Broadcaster Cairo, Egypt AM 0200‑0330 UTC

9475 WWCR Broadcaster Nashville, Tennessee USA AM 1400‑0000 UTC

9495 Radio Sweden Broadcaster Stockholm, Sweden AM 0330‑0400 UTC

9505 WYFR Broadcaster Okeechobee, Florida USA AM 0000‑0500 UTC

9505 Radio Japan/NHK Broadcaster Tokyo, Japan AM 1400‑1500 UTC

9510 Radio Romania International Broadcaster Bucuresti, Romania AM 0200‑0256 UTC

9515 BBC World Service Broadcaster London, England AM 1200‑1700 UTC

9535 Radio Netherlands Broadcaster Hilversum, Netherlands AM 0300‑0345 UTC

9550 Radio Havana Cuba/RHC Broadcaster Havana, Cuba AM 0500‑0700 UTC

9550 Radio Havana Cuba/RHC Broadcaster Havana, Cuba AM 2230‑2330 UTC

9570 Radio Romania International Broadcaster Bucuresti, Romania AM 0200‑0256 UTC

9590 Radio Netherlands Broadcaster Hilversum, Netherlands AM 0430‑0530 UTC

9590 BBC World Service Broadcaster London, England AM 2200‑0200 UTC

9605 Vatican Radio Broadcaster Vatican City, Vatican AM 0250‑0310 UTC

9640 Deutsche Welle Broadcaster Cologne, Germany AM 0100‑0145 UTC

9640 Radio Netherlands Broadcaster Hilversum, Netherlands AM 0300‑0345 UTC

9650 China Radio International Broadcaster Bejing, China AM 0400‑0456 UTC

9655 Radio Thailand Broadcaster Bangkok, Thailand AM 0300‑0330 UTC

9675 RAI International Broadcaster Rome, Italy AM 0100‑0110 UTC

9680 Radio Taiwan International Broadcaster Taipei, Taiwan AM 0200‑0400 UTC

9690 China Radio International Broadcaster Bejing, China AM 0200‑0256 UTC

9705 Radio Mexico International Broadcaster Mexico City, Mexico AM 0400‑0430 UTC

9705 Radio Mexico International Broadcaster Mexico City, Mexico AM 1500‑1530 UTC

9705 Radio Mexico International Broadcaster Mexico City, Mexico AM 2300‑2330 UTC

9730 China Radio International Broadcaster Bejing, China AM 0400‑0456 UTC

9745 HCJB Broadcaster Quito, Ecuador AM 0000‑0700 UTC

9755 Radio Canada International/RCI Broadcaster Montreal, Quebec Canada AM 0200‑0300 UTC

9755 Radio Canada International/RCI Broadcaster Montreal, Quebec Canada AM 2300‑2359 UTC

9775 Voice of America/VOA Broadcaster Washington, DC USA AM 0000‑0200 UTC

9809 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑185)

9820 Radio Havana Cuba/RHC Broadcaster Havana, Cuba AM 0100‑0700 UTC

9830 Radio Havana Cuba/RHC Broadcaster Havana, Cuba AM 0500‑0700 UTC

9845 Radio Netherlands Broadcaster Hilversum, Netherlands AM 2330‑0130 UTC

9885 Swiss Radio International/SRI Broadcaster Berne, Switzerland AM 0100‑0130 UTC

9885 Swiss Radio International/SRI Broadcaster Berne, Switzerland AM 0400‑0430 UTC

9900 Radio Cairo Broadcaster Cairo, Egypt AM 2300‑0030 UTC

9905 Swiss Radio International/SRI Broadcaster Berne, Switzerland AM 0100‑0130 UTC

9905 Swiss Radio International/SRI Broadcaster Berne, Switzerland AM 0400‑0430 UTC

9914 HF Network Federal Aviation Administration Nationwide USB/ALE

9925 Hrvatski Radio/HR Broadcaster Zagreb, Croatia AM 0405‑0410 UTC

9955 WRMI Broadcaster Miami, Florida USA AM 0000‑0030 UTC

9955 WRMI Broadcaster Miami, Florida USA AM 0100‑0200 UTC

9973 HF Network National Telecommunications & Information Administration Nationwide USB

9975 KVOH Broadcaster Los Angeles, California USA AM 0300‑0600 UTC

9999 HF Network US Army Nationwide USB

10000 WWV/WWVH Time/Frequency Standard Ft. Collins, CO/Kauai, HI USA AM

10018 AFI‑3/MID‑2 Major World Air Route Area Aeronautical Africa/Middle East USB

10024 SAM‑NW/SW Major World Air Route Area Aeronautical South Atlantic USB

10039 NCA‑3 Major World Air Route Area Aeronautical North Central Asia USB

10042 EA‑1 Major World Air Route Area Aeronautical East Asia USB

10045 Flight Test Aeronautical Worldwide USB

10048 NP‑3/4 Major World Air Route Area Aeronautical North Pacific USB

10051 North Atlantic VOLMET Aeronautical North Atlantic USB

10057 Africa VOLMET Aeronautical Africa USB

10066 SEA‑1/3 Major World Air Route Area Aeronautical South East Asia USB

10084 EUR‑A Major World Air Route Area Aeronautical Europe USB

10096 SAM‑C/NE/SE/NCA‑2 Major World Air Route Area Aeronautical South America/North Central Asia USB

10165 HF Network US Army Nationwide USB

10194 HF Point to Point Network FEMA Nationwide USB/ALE

10204 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑190)

10232 National Guard HF Network US Army Nationwide USB/ALE

10242 COTHEN HF Network Custom Service Worldwide USB Scan 3

10255 Navy/Marine Corps MARS Common US Navy Nationwide USB

10305 Hurricane Contingency Support Net US Air Force Eastern Test Range USB

10493 HF Point to Point Network FEMA Nationwide USB

10588 HF Point to Point Network FEMA Nationwide USB/ALE

10780 Space Shuttle HF Support Network NASA Atlantic Ocean USB

10796 National Guard HF Network US Army Nationwide USB/ALE

10815 National Guard HF Network US Army Nationwide USB/ALE

10819 HF Network DISA/JITC Nationwide USB

10883 HF Tactical Network US Marine Corps Worldwide USB

10891 HF Network Transportation Department Nationwide USB

11028 HF Emergency Net Transportation Department Nationwide USB

11075 HF Network DISA/JITC Nationwide USB

11104 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑195)

11110 Western Missile Range US Air Force Pacific USB Plead/Aria Control

11175 Aeronautical Off Route Frequency US Air Force Worldwide USB Global HF System Primary

11178 Aeronautical Off Route Frequency US Air Force Worldwide USB

11181 Aeronautical Off Route Frequency US Air Force Worldwide USB Airborne Command Post Net (Z‑200)

11184 Aeronautical Off Route Frequency US Navy Worldwide USB

11187 Aeronautical Off Route Frequency US Navy Worldwide USB

11190 Aeronautical Off Route Frequency US Navy Worldwide USB

11193 Aeronautical Off Route Frequency US Navy Worldwide USB

11196 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

11199 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

11202 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

11205 Aeronautical Off Route Frequency US Navy Worldwide USB

11208 Aeronautical Off Route Frequency US Navy Worldwide USB

11211 Aeronautical Off Route Frequency US Navy Worldwide USB

11214 Aeronautical Off Route Frequency/Canadian Military Aeronautical Communications System US Air Force/Canadian Forces Worldwide/Nationwide USB

11217 Aeronautical Off Route Frequency/HF SHARES Network US Air Force/US Government Worldwide USB/ALE

11220 Aeronautical Off Route Frequency US Air Force Worldwide USB

11223 Aeronautical Off Route Frequency US Air Force Worldwide USB Canada/Alaska Shared

11226 Aeronautical Off Route Frequency US Air Force Worldwide USB/ALE Air Force Scope Command

11229 Aeronautical Off Route Frequency US Air Force Worldwide USB Airborne Command Post Net (Z‑210)

11232 Aeronautical Off Route Frequency/Canadian Military Aeronautical Communications System US Air Force/Canadian Forces Worldwide/Nationwide USB

11235 Aeronautical Off Route Frequency/Royal Australian Air Force/Royal Air Force US Navy/RAAF/RAF (UK) Worldwide USB

11238 Aeronautical Off Route Frequency US Air Force Worldwide USB

11241 Aeronautical Off Route Frequency US Air Force Worldwide USB

11244 Aeronautical Off Route Frequency US Air Force Worldwide USB

11247 Aeronautical Off Route Frequency/Royal Australian Air Force/Royal Air Force US Navy/RAAF/RAF (UK) Worldwide USB

11250 Aeronautical Off Route Frequency US Air Force Worldwide USB/ALE Air Force Scope Command

11253 Aeronautical Off Route Frequency US Navy Worldwide USB

11256 Aeronautical Off Route Frequency US Navy Worldwide USB

11259 Aeronautical Off Route Frequency US Navy Worldwide USB

11262 Aeronautical Off Route Frequency US Navy Worldwide USB

11265 Aeronautical Off Route Frequency/Canadian Military Aeronautical Communications System US Navy/Canadian Forces Worldwide/Nationwide USB

11268 Aeronautical Off Route Frequency US Navy Worldwide USB

11271 Aeronautical Off Route Frequency US Air Force Worldwide USB

11279 NAT‑D Major World Air Route Area Aeronautical North Atlantic USB

11282 CEP‑1/2 Major World Air Route Area Aeronautical Central East Pacific USB

11288 HF Network Federal Aviation Administration Nationwide USB

11291 SAT‑2 Major World Air Route Area Aeronautical South Atlantic USB

11300 AFI‑3/MID‑2 Major World Air Route Area Aeronautical Africa/Middle East USB

11309 NAT‑E Major World Air Route Area Aeronautical North Atlantic USB

11330 CAR‑B Major World Air Route Area Aeronautical Caribbean USB

11336 NAT‑F Major World Air Route Area Aeronautical North Atlantic USB

11360 SAM‑NW/SW Major World Air Route Area Aeronautical South Atlantic USB

11375 MID‑1/3 Major World Air Route Area Aeronautical Middle East USB

11384 CWP‑1/2 Major World Air Route Area Aeronautical Central West Pacific USB

11387 South East Asia VOLMET Aeronautical South East Asia USB

11396 CAR‑A/EA‑2/SEA‑2/3 Major World Air Route Area Aeronautical Caribbean/East Asia/South East Asia USB

11408 HF Tactical Network Customs Service Worldwide USB

11440 Air Force HF Network US Air Force Worldwide USB Hurricane and Rescue Support Network

11451 HF Network National Telecommunications Alliance Nationwide USB

11470 Reserve HF Network US Air Force Nationwide USB

11494 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑205)

11494 COTHEN HF Network Custom Service Worldwide USB Scan 4

11637 HF Network Federal Aviation Administration Nationwide USB/ALE

11660 WSHB Broadcaster Cypress Creek, South Carolina USA AM 1100‑1300 UTC

11692 HF Point to Point Network Army Corps of Engineers Nationwide USB/ALE

11705 Radio Havana Cuba/RHC Broadcaster Havana, Cuba AM 0100‑0500 UTC

11710 Radiodifusion Argentina Al Exterior/RAE Broadcaster Buenos Aires, Argentina AM 0200‑0300 UTC

11715 KJES Broadcaster Vado, New Mexico USA AM 1300‑1500 UTC

11740 WYFR Broadcaster Okeechobee, Florida USA AM 2200‑0000 UTC

11775 Caribbean Beacon Broadcaster Anguilla, BWI AM 1000‑2200 UTC

11800 RAI International Broadcaster Rome, Italy AM 0100‑0110 UTC

11816 Reserve HF Network US Air Force Nationwide USB

11830 WYFR Broadcaster Okeechobee, Florida USA AM 1300‑1700 UTC

11875 WEWN Broadcaster Birmingham, Alabama USA AM 1300‑2200 UTC

11905 Radio Thailand Broadcaster Bangkok, Thailand AM 0300‑0330 UTC

11970 WYFR Broadcaster Okeechobee, Florida USA AM 1300‑1400 UTC

12005 Radio Dubai Broadcaster Dubai, United Arab Emirates AM 0330‑0400 UTC

12005 HCJB Broadcaster Quito, Ecuador AM 1100‑1630 UTC

12057 National Guard HF Network US Army Nationwide USB/ALE

12057 HF Point to Point Network US Transportation Command Nationwide USB

12070 HF Point to Point Network Army Corps of Engineers Nationwide USB/ALE

12070 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑211)

12076 HF Emergency Network Veterans Administration Nationwide USB

12087 National Guard HF Network US Army Nationwide USB/ALE

12122 HF Point to Point Network Army Corps of Engineers Nationwide USB/ALE

12160 WWCR Broadcaster Nashville, Tennessee USA AM 1400‑0000 UTC

12165 HF Network MITRE Corporation Nationwide USB

12172 WGTG Broadcaster McCaysville, Georgia USA AM 1300‑2200 UTC

12290 Global Maritime Distress/Safety System Marine Worldwide USB

12353 Maritime Simplex Marine Worldwide USB

12356 Maritime Simplex Marine Worldwide USB

12359 Maritime Simplex Marine Worldwide USB

12362 Maritime Simplex Marine Worldwide USB

12365 Maritime Simplex Marine Worldwide USB

12687 HF Network US Navy Nationwide USB Space Warfare Command

12689 Armd Forces Network/AFN Broadcaster Key West, Florida USA USB 24 Hours

13089 Coast Guard Calling/HF Frequency Broadcast Marine/US Coast Guard Nationwide USB Ships transmit on 12242

13110 WLO Marine Mobile, Alabama USA USB Ships transmit on 12263

13137 Worldwide Calling Frequency Marine Worldwide USB Ships transmit on 12290

13152 WLO Marine Mobile, Alabama USA USB Ships transmit on 12305

13200 Aeronautical Off Route Frequency US Air Force Worldwide USB Global HF System Primary

13203 Aeronautical Off Route Frequency US Air Force Worldwide USB

13204 HF Command Post US Air Force Worldwide USB

13206 Aeronautical Off Route Frequency/Royal Australian Air Force US Air Force/RAAF Worldwide USB Air Force Special Operations

13209 Aeronautical Off Route Frequency US Air Force Worldwide USB

13212 Aeronautical Off Route Frequency US Air Force Worldwide USB

13215 Aeronautical Off Route Frequency US Air Force Worldwide USB/ALE Air Force Scope Command

13218 Aeronautical Off Route Frequency US Air Force Worldwide USB

13221 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

13224 Aeronautical Off Route Frequency US Navy Worldwide USB

13227 Aeronautical Off Route Frequency US Navy Worldwide USB

13230 Aeronautical Off Route Frequency US Navy Worldwide USB

13233 Aeronautical Off Route Frequency US Navy Worldwide USB

13236 Aeronautical Off Route Frequency US Navy Worldwide USB

13239 Aeronautical Off Route Frequency US Navy Worldwide USB

13242 Aeronautical Off Route Frequency/HF SHARES Network US Air Force/US Government Worldwide/Nationwide USB/ALE Airborne Command Post Net (Z‑215)/Air Force Special Operations

13245 Aeronautical Off Route Frequency US Air Force Worldwide USB Airborne Command Post Net (Z‑220)

13248 Aeronautical Off Route Frequency US Air Force Worldwide USB

13251 Aeronautical Off Route Frequency US Navy Worldwide USB

13254 Aeronautical Off Route Frequency US Navy Worldwide USB

13257 Aeronautical Off Route Frequency/Royal Air Force/Military Military Aeronautical System US Navy/RAF (UK)/Canadian Forces Worldwide USB

13261 CEP‑1/2 Major World Air Route Area Aeronautical Central East Pacific USB

13264 Europe VOLMET Aeronautical Europe USB

13270 North Atlantic VOLMET Aeronautical North Atlantic USB

13273 AFI‑2/SP‑6/7 Major World Air Route Area Aeronautical Africa/South Pacific USB

13282 Pacific VOLMET Aeronautical Pacific USB

13288 AFI‑3/MID‑2/EUR‑A Major World Air Route Area Aeronautical Africa/Middle East/Europe USB

13291 NAT‑B/D/F Major World Air Route Area Aeronautical North Atlantic USB

13294 AFI‑4/NP‑3/4 Major World Air Route Area Aeronautical Africa/North Pacific USB

13297 CAR‑A/SAM‑C/NE/SE Major World Air Route Area Aeronautical Caribbean/South America USB

13300 CWP‑1/2 Major World Air Route Area Aeronautical Central West Pacific USB

13303 NCA‑3 Major World Air Route Area Aeronautical North Central Asia USB

13306 NAT‑A/C/INO‑1 Major World Air Route Area Aeronautical North Atlantic/Indian Ocean USB

13309 EA‑2/SEA‑2 Major World Air Route Area Aeronautical East Asia/South East Asia USB

13312 HF Network Federal Aviation Administration Nationwide USB/ALE

13315 SAT‑2/NCA‑1 Major World Air Route Area Aeronautical South Atlantic/North Central Asia USB

13318 SEA‑1/3 Major World Air Route Area Aeronautical South East Asia USB

13339 NP‑3/4 Major World Air Route Area Aeronautical North Pacific USB

13354 NAT‑E Major World Air Route Area Aeronautical North Atlantic USB

13357 AFI‑1/SAT‑1 Major World Air Route Area Aeronautical Africa/South Africa USB

13423 HF Network National Telecommunications & Information Administration Nationwide USB

13434 HF Emergency Net Transportation Department Nationwide USB

13457 HF Network Federal Aviation Administration Nationwide USB/ALE

13466 HF Point to Point Network FEMA Nationwide USB/ALE

13615 WEWN Broadcaster Birmingham, Alabama USA AM 1600‑0000 UTC

13630 HF Network Federal Aviation Administration Nationwide USB/ALE

13675 Radio Dubai Broadcaster Dubai, United Arab Emirates AM 0330‑0400 UTC

13722 HF Network Director of Military Support/US Army Nationwide USB

13760 WHRI Broadcaster Noblesville, Indiana USA AM 1600‑2000 UTC

13845 WWCR Broadcaster Nashville, Tennessee USA AM 1400‑0000 UTC

13907 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑225)

13907 COTHEN HF Network Custom Service Worldwide USB Scan 5

13977 Air Force MARS US Air Force Worldwide USB

13993 Air Force MARS Transcontinental Network US Air Force Nationwide USB

13996 Army MARS US Army Nationwide USB

14325 Amateur Radio Hurricane Watch Net Amateur Worldwide USB Primary

14350 HF Network Director of Military Support/US Army Nationwide USB

14360 HF Point to Point Network AT&T Nationwide USB

14385 Navy/Marine Corps MARS Common US Navy Worldwide USB

14396 HF SHARES Network US Government Nationwide USB/ALE

14402 HF Network Director of Military Support/US Army Nationwide USB

14455 HF Point to Point Network NASA Nationwide USB

14487 Air Force MARS US Air Force Worldwide USB

14615 HF Tactical Frequency US Air Force Worldwide USB

14653 National Guard HF Network US Army Nationwide USB/ALE

14670 CHU Time/Frequency Standard Ottawa, Ontario Canada AM

14686 HF Network Daytime Primary DEA Worldwide USB

14776 HF Point to Point Network FEMA Nationwide USB/ALE

14885 HF Point to Point Network FEMA Nationwide USB/ALE

14902 HF Network Civil Air Patrol Nationwide USB

15000 WWV/WWVH Time/Frequency Standard Ft. Collins, CO/Kauai, HI USA AM

15010 Aeronautical Off Route Frequency US Air Force Worldwide USB

15013 Aeronautical Off Route Frequency US Air Force Worldwide USB

15016 Aeronautical Off Route Frequency US Air Force Worldwide USB Global HF System Primary

15019 Aeronautical Off Route Frequency US Navy Worldwide USB

15022 Aeronautical Off Route Frequency US Navy Worldwide USB

15025 Aeronautical Off Route Frequency US Navy Worldwide USB

15028 Aeronautical Off Route Frequency US Navy Worldwide USB

15031 Aeronautical Off Route Frequency/Royal Air Force/Canada Military Military Aeronautical System US Air Force/RAF (UK)/Canadian Forces Worldwide USB

15034 Aeronautical Off Route Frequency/Military Military Aeronautical System (weather broadcast) US Air Force/Canadian Forces Worldwide USB

15037 Aeronautical Off Route Frequency US Air Force Worldwide USB

15040 Aeronautical Off Route Frequency US Air Force Worldwide USB

15043 Aeronautical Off Route Frequency US Air Force Worldwide USB/ALE Air Force Scope Command

15046 Aeronautical Off Route Frequency US Air Force Worldwide USB Airborne Command Post Net (Z‑230)

15049 Aeronautical Off Route Frequency US Navy Worldwide USB

15052 Aeronautical Off Route Frequency US Navy Worldwide USB

15055 Aeronautical Off Route Frequency US Navy Worldwide USB

15058 Aeronautical Off Route Frequency US Navy Worldwide USB

15061 Aeronautical Off Route Frequency US Navy Worldwide USB

15064 Aeronautical Off Route Frequency US Navy Worldwide USB

15067 Aeronautical Off Route Frequency US Navy Worldwide USB

15070 Aeronautical Off Route Frequency US Navy Worldwide USB

15073 Aeronautical Off Route Frequency US Navy Worldwide USB

15076 Aeronautical Off Route Frequency US Navy Worldwide USB

15079 Aeronautical Off Route Frequency US Navy Worldwide USB

15082 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

15085 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

15088 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

15091 Aeronautical Off Route Frequency US Air Force Worldwide USB

15094 Aeronautical Off Route Frequency/HF SHARES Network US Air Force/US Government Worldwide/Nationwide USB/ALE Airborne Command Post Net (Z‑235)

15097 Aeronautical Off Route Frequency US Air Force Worldwide USB Airborne Command Post Net (Z‑240)

15115 HCJB Broadcaster Quito, Ecuador AM 1100‑1630 UTC

15220 BBC World Service Broadcaster London, England AM 1200‑1220 UTC

15220 BBC World Service Broadcaster London, England AM 1300‑1600 UTC

15400 Radio Dubai Broadcaster Dubai, United Arab Emirates AM 0330‑0400 UTC

15445 Radio Nacional Bras Broadcaster Brasilia, Brazil AM 1200‑1300 UTC

15575 Radio Korea International Broadcaster Seoul, South Korea AM 0200‑0300 UTC

15590 KTBN Broadcaster Salt Lake City, Utah USA AM 1600‑0000 UTC

15595 Voice of Russia World Service Broadcaster Moscow, Russia AM 0400‑0500 UTC

15685 WWCR Broadcaster Nashville, Tennessee USA AM 1300‑2200 UTC

15708 HF Point to Point Network FEMA Nationwide USB/ALE

15851 HF Network Federal Aviation Administration Nationwide USB/ALE

15867 COTHEN HF Network Custom Service Worldwide USB Scan 6

15962 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑250)

16077 HF Point to Point Network Army Corps of Engineers Nationwide USB/ALE

16201 HF Point to Point Network FEMA Nationwide USB/ALE

16326 HF Point to Point Network Army Corps of Engineers Nationwide USB/ALE

16358 HF Point to Point Network Army Corps of Engineers Nationwide USB/ALE

16382 HF Point to Point Network Army Corps of Engineers Nationwide USB/ALE

16420 Global Maritime Distress/Safety System Marine Worldwide USB

16528 Maritime Simplex Marine Worldwide USB

16531 Maritime Simplex Marine Worldwide USB

16534 Maritime Simplex Marine Worldwide USB

16537 Maritime Simplex Marine Worldwide USB

16540 Maritime Simplex Marine Worldwide USB

16543 Maritime Simplex Marine Worldwide USB

16546 Maritime Simplex Marine Worldwide USB

17260 WLO Marine Mobile, Alabama USA USB Ships transmit on 16378

17302 Worldwide Calling Frequency Marine Worldwide USB Ships transmit on 16420

17314 Coast Guard Calling/HF Frequency Broadcast Marine/US Coast Guard Nationwide USB Ships transmit on 16432

17362 WLO Marine Mobile, Alabama USA USB Ships transmit on 16480

17421 HF Emergency Net Transportation Department Nationwide USB

17487 HF SHARES Network US Government Nationwide USB/ALE

17519 HF Point to Point Network FEMA Nationwide USB/ALE

17660 Voice of Russia World Service Broadcaster Moscow, Russia AM 0400‑0500 UTC

17840 BBC World Service Broadcaster London, England AM 1400‑1800 UTC

17904 CEP‑1/2/CWP‑1/2/NP‑3/4/SP‑6/7 Major World Air Route Area Aeronautical Central East Pacific/Central West Pacific/North Pacific/South Pacific USB

17907 CAR‑A/B/SAM‑C/NE/SE/SW/NW/EA‑2/SEA‑1/2/3 Major World Air Route Area Aeronautical Caribbean/South America/East Asia/South East Asia USB

17946 NAT‑A/B/C/D/North Pacific‑3/4 Major World Air Route Area Aeronautical North Atlantic/North Pacific USB

17955 AFI‑1/SAT‑1/2 Major World Air Route Area Aeronautical Africa/South Atlantic USB

17958 NCA‑1/2/3/EA‑1 Major World Air Route Area Aeronautical North Central Asia/East Asia USB

17961 AFI‑2/3/4/MID‑1/2/3/EUR‑A/INO‑1 Major World Air Route Area Aeronautical Africa/Middle East/Europe/Indian Ocean USB

17970 Aeronautical Off Route Frequency US Navy Worldwide USB

17973 Aeronautical Off Route Frequency US Air Force Worldwide USB Airborne Command Post Net (Z‑255)

17976 Aeronautical Off Route Frequency US Air Force Worldwide USB

17979 Aeronautical Off Route Frequency US Navy Worldwide USB

17982 Aeronautical Off Route Frequency US Navy Worldwide USB

17985 Aeronautical Off Route Frequency US Navy Worldwide USB

17988 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

17991 Aeronautical Off Route Frequency US Coast Guard Worldwide USB

17994 Aeronautical Off Route Frequency/Canada Military Military Aeronautical System US Air Force/Canadian Forces Worldwide USB

17997 Aeronautical Off Route Frequency US Air Force Worldwide USB

18000 Aeronautical Off Route Frequency US Air Force Worldwide USB

18003 Aeronautical Off Route Frequency US Air Force Worldwide USB/ALE Air Force Scope Command

18006 Aeronautical Off Route Frequency US Air Force Worldwide USB Airborne Command Post Net (Z‑260)

18009 Aeronautical Off Route Frequency US Air Force Worldwide USB

18012 Aeronautical Off Route Frequency/Canada Military Military Aeronautical System US Navy/Canadian Forces Worldwide USB

18015 Aeronautical Off Route Frequency US Navy Worldwide USB

18018 Aeronautical Off Route Frequency/Royal Air Force US Navy/RAF (UK) Worldwide USB

18021 Aeronautical Off Route Frequency US Air Force Worldwide USB

18024 Aeronautical Off Route Frequency US Air Force Worldwide USB Airborne Command Post Net (Z‑265)

18027 Aeronautical Off Route Frequency US Air Force Worldwide USB Airborne Command Post Net (Z‑270)

18030 Aeronautical Off Route Frequency US Air Force Worldwide USB

18046 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑275)

18171 HF Tactical Network Justice Department Nationwide USB/ALE

18387 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑280)

18594 COTHEN HF Network Custom Service Worldwide USB Scan 7

18666 HF Network Daytime Primary Justice Department Worldwide USB/ALE

18825 Maritime Simplex Marine Worldwide USB

18828 Maritime Simplex Marine Worldwide USB

18831 Maritime Simplex Marine Worldwide USB

18834 Maritime Simplex Marine Worldwide USB

18837 Maritime Simplex Marine Worldwide USB

18840 Maritime Simplex Marine Worldwide USB

18843 Maritime Simplex Marine Worldwide USB

18960 Radio Sweden Broadcaster Stockholm, Sweden AM 1230‑1300 UTC

18960 Radio Sweden Broadcaster Stockholm, Sweden AM 1430‑1500 UTC

19131 HF Tactical Network Justice Department Nationwide USB

19665 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑290)

19770 Worldwide Calling Frequency Marine Worldwide USB Ships transmit on 18795

19773 WLO Marine Mobile, Alabama USA USB Ships transmit on 18798

19969 HF Point to Point Network FEMA Nationwide USB/ALE

20000 WWV Time/Frequency Standard Ft. Collins, CO AM

20390 Space Shuttle HF Support Network NASA Atlantic Ocean USB

20407 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑305)

20631 Air Force HF Network US Air Force Worldwide USB/ALE Air Force Scope Command

20659 HF Point to Point Network Army Corps of Engineers Nationwide USB/ALE

20890 COTHEN HF Network Custom Service Worldwide USB Scan 8

21455 HCJB Broadcaster Quito, Ecuador USB 0000‑0700 UTC

21455 HCJB Broadcaster Quito, Ecuador USB 1100‑1530 UTC

21866 HF Point to Point Network FEMA Nationwide USB/ALE

21925 NP‑3/4 Major World Air Route Area Aeronautical North Pacific USB

22159 Maritime Simplex Marine Worldwide USB

22162 Maritime Simplex Marine Worldwide USB

22165 Maritime Simplex Marine Worldwide USB

22168 Maritime Simplex Marine Worldwide USB

23337 Air Force HF Network US Air Force Worldwide USB/ALE Air Force Scope Command

23872 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑315)

26859 Air Force HF Network US Air Force Worldwide USB Airborne Command Post Net (Z‑335)

27559 Air Force HF Network US Air Force Worldwide USB Hurricane and Rescue Support Network

27870 Air Force HF Network US Air Force Worldwide USB/ALE Air Force Scope Command