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HF/VHF Surveillance Receiver
Desktop HF/VHF Receiver

General

Current value
USD 280 ~ USD 520 (similar rigs)
EUR 17
Rating No reviews yet No reviews yet
HAM bands 15m  12m (WARC)  11m (CB)  6m  10m  4m  11m (CB)  6m  10m 
Freq. stability ? ±3.5 kHz from -40 to +60°C
Tuning steps Continuous 50 kHz

Receiver

RX-range 20-80 MHz 26.000-69.950 MHz
Modulations AM   FM   N-FM   CW   FM  
Sensitivity AM ca. 0,5 μV
FM ca. 1,2 μV
0.5 µV (20 dB S/N)
Selectivity 4 / 10 / 50 kHz @ -6 dB ± 50 kHz @ 80 dB
Filters ? > 30 kHz (-6 dB)
Receiver system Double conversion superheterodyne ?
IF-freqs. 10 MHz / 455 kHz ?
Image rejection ? ?
Audio output Requires headphones or external speaker 50 mW into 600 ohm

Transmitter

TX-range - -
Modulations - -
RF-output ? ?

Connections

Antenna - BNC + Proprietary (military)
Impedance 50Ω 50Ω
Other - -

Electrical

Power req. Mains (220 V AC) 24V DC (21-29V DC, 32V max)
Current RX 16 W 60 mA (24V)
TX - -

Physical

Manufactured Between 1980 and 198x in USA Between 196x and 198x in Germany
Dimensions 483 × 90 × 478 mm
(19.02 × 3.54 × 18.82 in)
222 × 268 × 330 mm
(8.74 × 10.55 × 12.99 in)
Weight 8.20 kg (18.1 lbs) 17.00 kg (37.5 lbs)
Form factor Base Station Base Station

Other features

Memories None 880 channels in 1 bank(s)
Usage Military communication Military communication
Features ? ?
Accessories DRO-290 Digital Nixie-tube display ?
MPN WATKINS-JOHNSON-WJ-000521A-1 MILITARY-EM-000025