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Desktop HF/VHF Transmitter
HF Transceiver
Desktop HF/VHF Receiver

General

HAM bands 80m  40m  20m  15m  6m  10m  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 - 80-10 m 0.54-40 MHz
Modulations - CW   USB   LSB   AM   CW  
Sensitivity ? ≤ 1 µV (S+N/N) ?
Selectivity ? SSB: 2.1 kHz (-6 dB), 7 kHz (-60 dB)
CW: 400 Hz (-6 dB), 2 kHz (-60 dB)
?
Filters ? ? ?
Receiver system ? ? Single conversion
IF-freqs. ? ? 455 kHz
Image rejection ? 60 dB ?
Audio output ? ? 1.5 W, external speaker required

Transmitter

TX-range 10-80m / 6m / 2m 80-10 m -
Modulations AM   CW   CW   USB   LSB   -
RF-output 50 W (input) 1 / 100 W ?

Connections

Antenna Clamps / screws Proprietary -
Impedance 50/500 Ω 50Ω 50/75Ω
Other - - -

Electrical

Power req. Mains 12-16 V DC 105-130V AC
Current RX - 2 A ?
TX ? 3-20 A -

Physical

Manufactured Between 194x and 194x in USA Between 1975 and 1977 in USA Between 1957 and 1960 in USA
Dimensions 203 × 305 × 203 mm
(7.99 × 12.01 × 7.99 in)
367 × 146 × 352 mm
(14.45 × 5.75 × 13.86 in)
425 × 255 × 275 mm
(16.73 × 10.04 × 10.83 in)
Weight 8.20 kg (18.1 lbs) 7.00 kg (15.4 lbs) ?
Form factor Base Station Base Station Base Station

Other features

Memories ? None None
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? ?
Accessories ? ? ?
MPN HARVEY-WELLS-TBS-000050C-(BANDMASTER-SENIOR) HEATHKIT-HW-000104 NATIONAL-COMPANY-NC-000188