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Desktop Shortwave receiver
Desktop VHF Transceiver
Base Station Amateur HF Receiver

General

HAM bands 160m  80m  60m  40m  20m  6m  2m  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC) 
Freq. stability ? ? ?
Tuning steps Continuous ? Continuous

Receiver

RX-range 1.5-20 MHz (coils FB A-E)
0.8-34 MHz (coils FB AA-F)
20-160 m (bandspread coils AB 20-160)
6 / 2 m 545 kHz - 20 MHz with plug-in coils
Modulations AM   CW   AM   AM  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system Superheterodyne ? Single conversion superheterodyne
IF-freqs. ? ? 465 kHz
Image rejection ? ? ?
Audio output External speaker / headphones required ? ?

Transmitter

TX-range - 6 / 2 m -
Modulations - AM   -
RF-output ? ? ?

Connections

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

Electrical

Power req. Mains ? Mains
Current RX ? ? ?
TX - ? -

Physical

Manufactured Between 1933 and 1934 in USA Between 1961 and 196x Between 1931 and 1932 in USA
Dimensions ? ? ?
Weight ? ? ?
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 NATIONAL-COMPANY-FB-000007 POLYTRONICS-POLYCOM-000006N2 HAMMARLUND-COMET