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Base Station Amateur HF Receiver
Desktop Shortwave Transceiver
Desktop CB Transceiver

General

HAM bands 80m  40m  20m  15m  10m  80m  40m  20m  15m  10m  11m (CB) 
Freq. stability ? ≤ 20 Hz per °C after 30 minute warmup ?
Tuning steps Continuous Continuous, 17 kHz per revolution of the main tuning knob Channelized

Receiver

RX-range 10-80 m 10-80 m 26.965-27.255 MHz
Modulations AM   CW   SSB   CW   SSB   AM   SSB  
Sensitivity ? <1 µV (10 dB S+N/N) ?
Selectivity ? 0.5 / 1.0 / 2.5 kHz ?
Filters ? - ?
Receiver system ? Double direct conversion Crystal controlled
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? Internal speaker + 1 W output @ 8 Ohms ?

Transmitter

TX-range - 10-80 m 26.965-27.255 MHz
Modulations - CW   AM   SSB  
RF-output ? 30-40 W SSB: 12 W, AM: 4 W

Connections

Antenna - SO-239 SO-239
Impedance 50Ω 35-75Ω ?
Other - - -

Electrical

Power req. Mains 12V DC or mains Mains or 13.8 V DC
Current RX ? ? ?
TX - ? ?

Physical

Manufactured Between 1966 and 1970 in USA Between 197x and 197x in USA Between 197x and 197x
Dimensions 377 × 169 × 340 mm
(14.84 × 6.65 × 13.39 in)
318 × 156 × 305 mm
(12.52 × 6.14 × 12.01 in)
?
Weight 7.70 kg (17.0 lbs) 7.03 kg (15.5 lbs) ?
Form factor Base Station Base Station Base Station

Other features

Memories ? None 23 channels in 1 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Citizen Band (27Mc)
Features ? Full QSK ?
Accessories ? ? ?
MPN HEATHKIT-SB-000301 TEN-TEC-CENTURY-000021-(570) REGENCY-CR-000123B