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Desktop HF/VHF Transmitter
Desktop Shortwave Transmitter
Portable HF/VHF Receiver

General

HAM bands 80m  40m  20m  15m  6m  2m  10m  160m  80m  40m  20m  15m  10m  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m 
Freq. stability ? ? ?
Tuning steps Continuous ? Continuous

Receiver

RX-range - - 0.53-30 / 88-108 MHz
Modulations - - AM   W-FM   CW   SSB  
Sensitivity ? ? AM (A3) 1,3 - 2 μV
SSB 0,3 - 0,6 μV
Selectivity ? ? 3,1/7,8 kHz, 4,8/xx kHz (WA) resp. 4,5 kHz/ 9 kHz (W) (-6/-46 dB)
Filters ? ? -
Receiver system ? ? Double conversion superheterodyne
IF-freqs. ? ? AM: 19,055 MHz / 455 kHz
FM: 10,7 MHz
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range 10-80m / 6m / 2m 10-160 m -
Modulations AM   CW   AM   CW   -
RF-output 50 W (input) AM: Max 125 W, CW: Max 140 W ?

Connections

Antenna Clamps / screws - Clamps / screws + Built-in ferrite bar + Built-in sweep
Impedance 50/500Ω 50/600Ω ?
Other - - -

Electrical

Power req. Mains Mains Mains or 6 × LR20/UM-1
Current RX - - ?
TX ? ? -

Physical

Manufactured Between 1947 and 194x in USA Between 1955 and 1957 in USA Between 1980 and 1983 in Japan
Dimensions 235 × 337 × 216 mm
(9.25 × 13.27 × 8.50 in)
526 × 350 × 406 mm
(20.71 × 13.78 × 15.98 in)
457 × 190 × 235 mm
(17.99 × 7.48 × 9.25 in)
Weight 7.70 kg (17.0 lbs) 45.36 kg (100.1 lbs) 5.44 kg (12.0 lbs)
Form factor Base Station Base Station Portable

Other features

Memories None ? None
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? ?
Accessories ? ? ?
MPN HARVEY-WELLS-TBS-000050 HEATHKIT-DX-000100 SONY-ICF-006800W