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HF/VHF Surveillance Receiver

General

HAM bands 15m  12m (WARC)  11m (CB)  6m  10m  4m 
Freq. stability ?
Tuning steps Continuous

Receiver

RX-range 20-80 MHz
Modulations AM   FM   N-FM   CW  
Sensitivity AM ca. 0,5 μV
FM ca. 1,2 μV
Selectivity 4 / 10 / 50 kHz @ -6 dB
Filters ?
Receiver system Double conversion superheterodyne
IF-freqs. 10 MHz / 455 kHz
Image rejection ?
Audio output Requires headphones or external speaker

Transmitter

TX-range -
Modulations -
RF-output ?

Connections

Antenna -
Impedance 50Ω
Other -

Electrical

Power req. Mains (220 V AC)
Current RX 16 W
TX -

Physical

Manufactured Between 1980 and 198x in USA
Dimensions 483 × 90 × 478 mm
(19.02 × 3.54 × 18.82 in)
Weight 8.20 kg (18.1 lbs)
Form factor Base Station

Other features

Memories None
Usage Military communication
Features ?
Accessories DRO-290 Digital Nixie-tube display
MPN WATKINS-JOHNSON-WJ-000521A-1