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Desktop Shortwave receiver
HF/VHF Surveillance Receiver
CB Transceiver

General

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

Receiver

RX-range 0.55-30 MHz in four bands 20-80 MHz 26.965-27.255 MHz
Modulations AM   CW   SSB   AM   FM   N-FM   CW   -
Sensitivity AM: 1 µV (10 dB S/N)
SSB: 0.3 µV (10 dB S/N)
AM ca. 0,5 μV
FM ca. 1,2 μV
?
Selectivity 4 kHz, shape factor <2 4 / 10 / 50 kHz @ -6 dB ?
Filters ? ? ?
Receiver system ? Double conversion superheterodyne ?
IF-freqs. ? 10 MHz / 455 kHz ?
Image rejection Better than 35 dB ? ?
Audio output ? Requires headphones or external speaker ?

Transmitter

TX-range - - 26.965-27.255 MHz
Modulations - - -
RF-output ? ? ?

Connections

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

Electrical

Power req. 12V DC or mains Mains (220 V AC) ?
Current RX ? 16 W ?
TX - - ?

Physical

Manufactured Between 1976 and 197x in Japan Between 1980 and 198x in USA Between 1977 and 1982 in Japan
Dimensions 360 × 160 × 220 mm
(14.17 × 6.30 × 8.66 in)
483 × 90 × 478 mm
(19.02 × 3.54 × 18.82 in)
?
Weight 6.00 kg (13.2 lbs) 8.20 kg (18.1 lbs) ?
Form factor Base Station Base Station Unknown

Other features

Memories None None 40 channels in 1 bank(s)
Usage Amateur / Ham radio operators Military communication Citizen Band (27Mc)
Features Noise limiter, BFO. ? ?
Accessories ? DRO-290 Digital Nixie-tube display ?
MPN MINIX-MR-000073B WATKINS-JOHNSON-WJ-000521A-1 GEMTRONICS-GTX-004040