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Desktop ULF/VLF Receiver
Communications receiver
Mobile CB Transceiver

General

HAM bands 2000m  6m  11m (CB) 
Freq. stability ? ≤ 0.5 % ?
Tuning steps Continuous ? ?

Receiver

RX-range 15-500 / 500-1500 kHz (2 ranges, 7 bands) 620-205 m / 1.4-3.8 / 3.7-10.6 / 10.5-30.6 MHz 26.965-27.405 MHz
Modulations AM   CW   FSK   AM   CW   AM   FM  
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 External speaker or headphones required Internal speaker

Transmitter

TX-range - - 26.965-27.405 MHz
Modulations - - AM   FM  
RF-output ? ? 4 W

Connections

Antenna Proprietary Clamps / screws SO-239
Impedance 125Ω 70/80Ω 50Ω
Other - - -

Electrical

Power req. Mains (115/230 V AC) Mains (100-125 or 200-250 V AC) 13.2 V DC
Current RX 250 W with oven on, 150 W when oven off 45 W ?
TX - - 1.8 A max

Physical

Manufactured Between 1951 and 19xx in USA Between 1950 and 195x in Great Britain Between 20xx and 20xx
Dimensions 483 × 267 × 438 mm
(19.02 × 10.51 × 17.24 in)
? 125 × 38 × 103 mm
(4.92 × 1.50 × 4.06 in)
Weight 37.20 kg (82.1 lbs) including power supply PP-621/URR ? ?
Form factor Base Station Base Station Mobile

Other features

Memories None ? 40 channels in 1 bank(s)
Usage Amateur / Ham radio operators Military communication Citizen Band (27Mc)
Features Operating altitude up to 10,000 feet BFO
S-meter socket
CTCSS / DCS
Accessories ? ? ?
MPN COLLINS-R-000389/URR EDDYSTONE-000740 PRESIDENT-WILLIAM