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← MPR-5 Mason TSCM
Programmable Audio Countermeasures Receiver
- this page is a stub
PACMR-1 was a fully programmable
Technical Surveillance and Countermeasures (TSCM)
receiver, developed in the late 1980s by
Mason Engineering Inc. in Fairfield (Connecticut, USA).
The system can be seen as the predecessor of the later
REI OSCOR range,
and was supplied in three or four large Haliburton shipping cases.
The system was mainly used by US law enforcement agencies.
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Note:
This page is currently under construction whilst we are awaiting additional
information about the PACMR receiver.
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The PACMR-1 was introduced in 1986 and was sold alongside the highly
desirable MPR-5.
With a price tag of US$ 80,000, compared to 'just'
US$ 21,000 for the MPR-5, the PACMR-1 was outside the reach of most
customers [2].
Eventually, only 50 units were ever produced and sold [3].
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- Frequency range: 2 kHz - 10 GHz
- Digital tuning (PLL)
- Fully programmable (unlimited)
- Automatic and manual programs
- LCD and panorama display
- Subcarrier analysis
- 3200 channel memory
- Comparative spectrum logging
- 3½" floppy disc drive
- Outlets for printer and RS-232
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Frequency range 2 kHz - 10 GHz
Sensitivity 3µV up to 1 GHz, 10µV at 1-10 GHz
Image/IF rejection 50dB
RF attenuator 0-60dB in 20dB steps
IF attenuator 0-70dB in 10 dB steps
RF filters 19 each, fixed, 6-pole to 1.6 GHz
Microwave YIG-tuned LO and RF at 1.6 - 10 GHz
Resolution 10 Hz - 2 kHz (2 kHz - 1.6 GHz range)
IF bandwidth 2, 7, 25, 90, 500, 1000, 5000 kHz, between 300 kHz and 10 GHz
RF demodulator AM, FM, CW, NBFM, Subcarrier, Raster
Subcarrier 1 20-300 kHz
Subcarrier 2 2-10 kHz bandwidth: AM/FM 1st det., AM/FM/CW 2nd det.
Audio Subcarrier/RF (one at a time), speaker, phones
Scope 5", dual trace, DC-20 MHz, under microprocessor control
Scope display RF + SC frequency base, time base, raster (TV)
Floppy disc drive 3.5"
Printer 40 character, impact type, parallel
Antennas Complete set plus remote stand supplied
Keyboard Push-button keys with metalic and plastic membrane
RFI shielding Undetectable at 3 meter distance
Portablility 4 aluminium padded cases (5th case for printer)
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© Crypto Museum. Created: Sunday 25 October 2015. Last changed: Saturday, 11 November 2017 - 13:07 CET.
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