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Desktop Shortwave Transceiver
Desktop ULF/VLF Receiver

General

HAM bands 80m  40m  20m  15m  10m  2000m 
Freq. stability ? ?
Tuning steps Continuous Continuous

Receiver

RX-range 10-80 m 15-500 / 500-1500 kHz (2 ranges, 7 bands)
Modulations CW   SSB   AM   CW   FSK  
Sensitivity ? 6 µV
Selectivity ? ?
Filters ? 0.1 / 1 / 2 / 4 / 8 kHz
Receiver system ? Double conversion cuperheterodyne, including circuit arragement for cancelling drift of crystal oscillator (34 tubes)
IF-freqs. ? ?
Image rejection ? ?
Audio output ? 500 mW unbalanced, 10 mW balanced

Transmitter

TX-range 10-80 m -
Modulations CW   SSB   -
RF-output 100 W ?

Connections

Antenna SO-239 Proprietary
Impedance 50Ω 125Ω
Other - -

Electrical

Power req. Mains Mains (115/230 V AC)
Current RX ? 250 W with oven on, 150 W when oven off
TX ? -

Physical

Manufactured Between 1959 and 19xx in USA Between 1951 and 19xx in USA
Dimensions ? 483 × 267 × 438 mm
(19.02 × 10.51 × 17.24 in)
Weight ? 37.20 kg (82.1 lbs) including power supply PP-621/URR
Form factor Base Station Base Station

Other features

Memories None None
Usage Amateur / Ham radio operators Amateur / Ham radio operators
Features ? Operating altitude up to 10,000 feet
Accessories ? ?
MPN COLLINS-KWM-000002A COLLINS-R-000389/URR