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Monitoring Scope
Base Station Amateur HF Receiver

General

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

Receiver

RX-range 3.5-54 MHz 545 kHz - 33 MHz with plug-in coils
Modulations All mode   AM   CW  
Sensitivity 60 mV / 1/4" deflection (horizontal and vertical) ?
Selectivity ? ?
Filters ? XTAL-filter was added in later versions
Receiver system ? Single conversion superheterodyne
IF-freqs. ? 465 kHz
Image rejection ? ?
Audio output ? 1 W

Transmitter

TX-range ? -
Modulations All mode   -
RF-output ? ?

Connections

Antenna SO-239 Clamps / screws
Impedance 50Ω ?
Other - -

Electrical

Power req. Mains (120-240 V AC) Mains
Current RX 25 W ?
TX ? -

Physical

Manufactured Between 1974 and 197x in USA Between 1932 and 1935 in USA
Dimensions ? 527 × 241 × 349 mm
(20.75 × 9.49 × 13.74 in)
Weight ? ?
Form factor Base Station Base Station

Other features

Memories ? ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ?
Accessories ? ?
MPN HEATHKIT-SB-000614 HAMMARLUND-COMET-PRO