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Desktop Shortwave receiver
Desktop Shortwave VFO
Prototype VHF Receiver

General

HAM bands ? ? ?
Freq. stability ? ? ?
Tuning steps ? ? ?

Receiver

RX-range 1.5-12 MHz - 19-165 MHz in 6 bands
Modulations AM   CW   - AM   CW  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system 7 tubes ? Double conversion superheterodyne
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range - ? -
Modulations - - -
RF-output ? ? ?

Connections

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

Electrical

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

Physical

Manufactured Between 194x and 194x in USA Between 1959 and 196x in USA Between 1954 and 195x in Great Britain
Dimensions 342.9 × 254 × 254 mm
(13.50 × 10.00 × 10.00 in)
? ?
Weight 13.61 kg (30.0 lbs) ? ?
Form factor Base Station Base Station Base Station

Other features

Memories ? ? ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Military communication
Features ? ? ?
Accessories ? ? ?
MPN COLLINS-000051-Q COLLINS-000399C-1 EDDYSTONE-000760