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Handheld Transceiver
Desktop ULF/VLF Receiver
Portable Amateur Receiver

General

HAM bands 11m (CB)  2000m  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m 
Freq. stability ? ? ?
Tuning steps Channelized Continuous Continuous

Receiver

RX-range 26.965-27.405 MHz 15-500 / 500-1500 kHz (2 ranges, 7 bands) 0.54-31 MHz in four bands
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) Single conversion, 8 tubes
IF-freqs. ? ? 455 kHz
Image rejection ? ? ?
Audio output ? 500 mW unbalanced, 10 mW balanced ?

Transmitter

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

Connections

Antenna - Proprietary Built-in telescopic
Impedance 50Ω 125Ω ?
Other - - -

Electrical

Power req. ? Mains (115/230 V AC) Mains (120 V AC) or batteries (90 & 7.5V DC)
Current RX ? 250 W with oven on, 150 W when oven off ?
TX ? - -

Physical

Manufactured Between 197x and 197x Between 1951 and 19xx in USA Between 1950 and 1955 in USA
Dimensions ? 483 × 267 × 438 mm
(19.02 × 10.51 × 17.24 in)
356 × 355 × 305 mm
(14.02 × 13.98 × 12.01 in)
Weight ? 37.20 kg (82.1 lbs) including power supply PP-621/URR 6.35 kg (14.0 lbs)
Form factor Handheld Base Station Portable

Other features

Memories 40 channels in 1 bank(s) None None
Usage Citizen Band (27Mc) Amateur / Ham radio operators Amateur / Ham radio operators
Features AM Operating altitude up to 10,000 feet BFO
Passive AVC
Accessories ? ? ?
MPN SHARP-CB-002460 COLLINS-R-000389/URR HALLICRAFTERS-S-000072R