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Desktop Shortwave Transmitter
Mobile Shortwave Transceiver
HF Transceiver

General

HAM bands 80m  40m  20m  15m  10m  ? 80m  40m  20m  15m  10m 
Freq. stability ? ? ?
Tuning steps ? 100 / 10 / 1 / 0.1 kHz Continuous

Receiver

RX-range - 26-30 MHz 10-80 m
Modulations - AM   FM   CW   SSB   AM   CW   SSB  
Sensitivity ? ? 0.5 µV (10 dB S/N)
Selectivity ? ? 2.3 kHz (-6 dB), 4 kHz (-60 dB)
Filters ? ? ?
Receiver system ? ? Single conversion superheterodyne Tubes
IF-freqs. ? ? 9 MHz
Image rejection ? >50 dB 50 dB
Audio output ? ? ?

Transmitter

TX-range 10-80 m 26-30 MHz 10-80 m
Modulations AM   CW   AM   FM   CW   SSB   AM   CW   SSB  
RF-output AM: 75 W, CW: 90 W High: 100 W (25 W AM), Low: 20 W (5 W AM) 100 W / 240 W (PEP input)

Connections

Antenna Clamps / screws SO-239 SO-239
Impedance 50/500 Ω 50 Ω 50-75Ω
Other - - -

Electrical

Power req. Mains 11-16V DC ?V DC
Current RX - ? ?
TX ? Max 20 A ?

Physical

Manufactured Between 19xx and 19xx in USA Between 197x and 197x in Japan Between 19xx and 197x
Dimensions ? 156 × 61 × 290 mm
(6.14 × 2.40 × 11.42 in)
335 × 140 × 280 mm
(13.19 × 5.51 × 11.02 in)
Weight ? ? 17.50 kg (38.6 lbs)
Form factor Base Station Mobile Base Station

Other features

Memories ? ? None
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? ?
Accessories ? ? ?
MPN HARVEY-WELLS-T-000090-BANDMASTER SOMMERKAMP-TS-000788DXCC SOMMERKAMP-FT-000250