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Desktop VHF/UHF Scanner / receiver
Desktop Shortwave receiver
HF/VHF Surveillance Receiver

General

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

Receiver

RX-range 68-88 / 108-136 / 138-174 / 380-470 MHz 10-80 m 20-80 MHz
Modulations AM   FM   AM   CW   SSB   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 ? 12 tubes 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 - SO-239 -
Impedance 50/75 Ω ? 50Ω
Other - - -

Electrical

Power req. 13.8V DC or mains Mains Mains (220 V AC)
Current RX ? ? 16 W
TX - - -

Physical

Manufactured Between 19xx and 19xx Between 1964 and 1968 in Japan (By Trio) 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 Base Station Base Station

Other features

Memories 20 channels in 1 bank(s) ? None
Usage Amateur / Ham radio operators Amateur / Ham radio operators Military communication
Features ? ? ?
Accessories ? ? DRO-290 Digital Nixie-tube display
MPN HANDIC-000020 LAFAYETTE-HA-000350 WATKINS-JOHNSON-WJ-000521A-1