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General description
The W61 is available in two versions:
W61PC:
A
half-length PCI card that can be installed in a standard PC under Windows XP /
VISTA / Server 2008 and Win7.
W61LAN-MK3:
A
W61PC integrated into a complete single board computer system operating under
Win7.
The W61PC decoder offers all functions required to analyze, decode, and process
radio data communications in the HF, VHF, UHF, and SHF ranges.
The W61PC software is designed to work with your existing equipment as it
provides analog and digital inputs. It allows seamless integration with SDR
(Software Defined Radio) receivers with IQ data or digital audio outputs, TCP/IP
streams, and sound cards.
The
W61PC provides:
An
signal overview using real-time spectrum and water-fall display
Demodulation, decoding to content level of known signals. Decoded output can be
saved to files or picked up from the remote control interface
Manual signal measurement
Automatic classification and CodeCheck of unknown signals
A
versatile XML Remote Control Interface with the same command set used by the
W51PC and the W61PC.
The
COMINT solution for:
Government agencies
Homeland and government security agencies
Defense contractors
Telecommunications authorities
Department of Defense
Features:
The
impressive list of implemented modes (see specifications) includes:
INMARSAT B/M/mM/Aero
Modem and FAX modes
Robust-Packet
CLOVER-2
CLOVER-2000
PACTOR-3
CODAN-9001
TETRA
APCO-25
dPMR
DMR
High performance, wideband, analog front end has three wideband AF/IF Inputs
covering 50 Hz - 25 MHz.
Fully re-configurable settings for FPGA, DSP, bandwidth, and IF frequency.
Fully tunable 70 MHz IF input (52.5 MHz - 87.5 MHz with SAW filter) for
satellite monitoring with no external receivers.
TCP/IP data input (LAN) for IQ or PCM coded data. Data conversion to the WAVECOM
format is done by a separate, external application. Source code available on
request
.
Decoding from PC soundcard with sampling rates up to 192 kHz
Internal sampling-rate converter
Direct decoding from audio files
Virtual Audio Cable (VAC) support
High-speed DSP (TMS320C6414, 5760 MIPS) with 14 bit/92.16 MSps analog to digital
converter (ADC), external 128 Mb SDRAM, and 1 Mb flash RAM.
Half-size PCI card with SMA input connectors.
Automatic level control (ALC) achieves maximum dynamic range (60 dB) and overrun
protection.
Digital Down Conversion (DDC) with 96 dB dynamic range (16 bits) and
configurable bandwidth from 5 kHz to 500 kHz
XML Remote Control Interface with the same command set as the W51PC and W-CODE
Powerful 48 and 96 kHz wide band FFT

Optional BitViewer Tool.
Adaptive Equalizer for high-speed PSK protocols.
Tested with a number of Software Defined Radios e.g. WiNRADiO, Perseus, SDR14/SDRIQ,
AOR AR-ALPHA, R&S receivers (using AllAudio and VAC), IZT
Optional software classifier plug-in.
Pass band filters to mitigate poor propagation conditions or process wideband
receiver input
Worldwide support
General
The easy-to-use graphical user interface (GUI) with well structured pull-down
menus allows an operator to become familiar with the W61PC in a short time. A
high degree of operator proficiency can quickly be achieved.
The decoder can be used in a number of configurations:
Local use as a PC application
Remote use via a LAN with standard W61PC application instances in a
client-server mode
Remote control using TCP/IP and XML
Remote use with a “Remote Desktop connection”
These features allow the system to be adapted to the client's requirements and
applications.
The implementation of complex systems for monitoring on a large scale is only
limited by the number of decoders and the performance of the hardware and
software.
The configuration of the system components can be completely adapted to the
requirements of the customer.
A
wide range of system default settings can be configured, e.g., input signal
level, measuring interval, center frequency, and demodulator type.
A
W61PC decoder may be controlled from everywhere in the network and its output
may be sent to one or more applications on the network.
In order to process the data output, control the decoder and the code
parameters, an integrated remote control interface allows easy control of the
W61PC from a customer application.
Analysis
The determination of signal characteristics is assisted by a large number of
analysis and measurement functions operating over a wide range of signal
parameters.
All of the integrated analysis tools contain many different methods and viewing
options. The GUI assists the operator in analyzing the important signal
parameters. Exact measurements are easily made using adjustable cursors with
associated numerical displays. Dynamic zoom functions allow magnification of
details in any selected window. The scroll buffering feature makes it possible
to move back and forward in signal history.

Demodulation and Decoding
If a decoder for a protocol is selected, the demodulator can be tuned
automatically (for FSK), manually, or by using the results from the classifier.
Services
For authorized government agencies, WAVECOM is able to provide additional
customer-specific modes, software source code, a complete development
environment
, and training.
Typical applications
Manual or automated monitoring of radio data communications in the HF/VHF/UHF/SHF
(satellite) bands
Signal intelligence
Signal analysis and classification
For government agencies and telecommunications authorities, the applications
range from stationary monitoring of one transmission with a single system to
fully-automated, broadband monitoring employing many systems.
Decoded data can be imported from third-party applications running on the same
or another computer in the network.
Software generated time stamps may be automatically added to each line of
decoded data to ensure precise backtracking of any signal.
Technical Specifications
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