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Desktop Shortwave receiver
HF Transmitter
Remote Linear Master Oscillator / VFO

General

HAM bands 80m  40m  20m  15m  10m  80m  40m  20m  15m  10m  ?
Freq. stability ? ≥ 100 Hz drift/hour after warm-up, ≥ 100 Hz/10% power line variation ≤ 100 Hz per hour after warmup
Tuning steps Continuous ? ?

Receiver

RX-range 10-80 m - -
Modulations AM   CW   SSB   - All mode  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range - 10-80 m ?
Modulations - CW   USB   LSB   All mode  
RF-output ? 80-15m: 100W, 10m: 80W ?

Connections

Antenna - - Clamps / screws
Impedance 50Ω 50/75Ω ?
Other - - -

Electrical

Power req. ? Mains (120-240 V AC) External PSU or main unit
Current RX ? - -
TX - 260 W max ?

Physical

Manufactured Between 1959 and 1962 in USA Between 1966 and 1975 in USA Between 1967 and 1970 in USA
Dimensions 308 × 155 × 254 mm
(12.13 × 6.10 × 10.00 in)
378 × 143 × 340 mm
(14.88 × 5.63 × 13.39 in)
254 × 171 × 279 mm
(10.00 × 6.73 × 10.98 in)
Weight 7.00 kg (15.4 lbs) 12.02 kg (26.5 lbs) 2.30 kg (5.1 lbs)
Form factor Base Station Unknown Base Station

Other features

Memories None ? ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? ?
Accessories ? ? ?
MPN HEATHKIT-MR-000001-'COMANCHE' HEATHKIT-SB-000401 HEATHKIT-SB-000640