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Desktop Shortwave Transmitter
Desktop ULF/VLF Receiver
Desktop Shortwave receiver

General

HAM bands 80m  40m  20m  10m  2000m  80m  40m  20m  15m  6m  10m 
Freq. stability ? ? ?
Tuning steps Continuous Continuous Continuous

Receiver

RX-range - 15-500 / 500-1500 kHz (2 ranges, 7 bands) 10-80 m with 2 m / 6 m converter options
Modulations - AM   CW   FSK   AM   CW  
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, 20, 40 & 80 m (depending on coil set) - -
Modulations AM   CW   - -
RF-output 100 W ? ?

Connections

Antenna - Proprietary -
Impedance ? 125Ω ?
Other - - -

Electrical

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

Physical

Manufactured Between 194x and 194x in USA Between 1951 and 19xx in USA Between 1959 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 Base Station

Other features

Memories None None ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? Operating altitude up to 10,000 feet ?
Accessories ? ? ?
MPN HALLICRAFTERS-HT-000009 COLLINS-R-000389/URR HALLICRAFTERS-SX-000101 MK IIIA