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Desktop Shortwave Transmitter
Desktop HF/VHF Receiver
SSB Adapter

General

HAM bands ? ? 160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m 
Freq. stability ? 0.01% or less ?
Tuning steps ? ? Continuous

Receiver

RX-range - 0.54-40 MHz Determined by TMC GPR-90
Modulations - AM   CW   SSB   AM   SSB  
Sensitivity ? Better than 1-2 µV (10dB S/N) ?
Selectivity ? 6 positions ?
Filters ? 200Hz / 5.2kHz ?
Receiver system ? ? ?
IF-freqs. ? 455 kHz ?
Image rejection ? ? ?
Audio output ? 1.5 watts at less than 10% distortion ?

Transmitter

TX-range 80/20/10 m - Determined by TMC GPR-90
Modulations AM   - -
RF-output 30-60 W ? ?

Connections

Antenna - Clamps / screws -
Impedance ? 50/300Ω 50Ω
Other - - -

Electrical

Power req. Mains ? Mains
Current RX - ? ?
TX ? - ?

Physical

Manufactured Between 1952 and 19xx in USA Between 1957 and 1960 in USA Between 195x and 196x in USA
Dimensions 165 × 178 × 260 mm
(6.50 × 7.01 × 10.24 in)
412 × 254 × 276 mm
(16.22 × 10.00 × 10.87 in)
?
Weight 6.80 kg (15.0 lbs) ? ?
Form factor Base Station Base Station Base Station

Other features

Memories ? ? None
Usage Amateur / Ham radio operators Amateur / Ham radio operators Marine / Navy
Features 4 × XTAL selector (VFO option), 807 final. ? ?
Accessories ? ? ?
MPN E.F.-JOHNSON-VIKING-MOBILE NATIONAL-COMPANY-NC-000109 TMC-GSB-000001