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Desktop Shortwave Transmitter
HF/VHF Surveillance Receiver
Desktop Shortwave receiver

General

HAM bands 80m  40m  20m  15m  10m  15m  12m (WARC)  11m (CB)  6m  10m  4m  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m  2000m 
Freq. stability ? ? ?
Tuning steps Continuous Continuous ?

Receiver

RX-range - 20-80 MHz 0.05-30 MHz
Modulations - AM   FM   N-FM   CW   CW   SSB  
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 80-10 m - -
Modulations FM   CW   SSB   DSB   - -
RF-output 60 W ? ?

Connections

Antenna SO-239 - -
Impedance 50Ω 50Ω 50Ω
Other - - -

Electrical

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

Physical

Manufactured Between 19xx and 19xx Between 1980 and 198x in USA Between 19xx and 19xx 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 Base Station Base Station

Other features

Memories None None ?
Usage Amateur / Ham radio operators Military communication Military communication
Features ? ? ?
Accessories ? DRO-290 Digital Nixie-tube display ?
MPN HAMMARLUND-HX-000500 WATKINS-JOHNSON-WJ-000521A-1 WATKINS-JOHNSON-WJ-008711