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Desktop Shortwave receiver
Desktop Shortwave receiver
4-channel UHF Scanner

General

HAM bands 160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m  ? None 
Freq. stability Within 300 Hz if the nearest 100 kHz calibration point is used to adjust the fiducial Dial calibration at room temperature is within 300 cps if the nearest 100 kc calibration point is used to adjust the fiducial. ?
Tuning steps Continuous ? Fixed channels - x-tal

Receiver

RX-range 0.54-30.5 MHz in 30 bands 0.54-30.5 MHz 4 channels between 450-512 MHz
Modulations AM   CW   AM   CW   FM  
Sensitivity Band 1: Less than 15 µV for 10 dB S/N
Bands 2 to 30: Less than 5 µV for 10 dB S/N
Band 1: < 15 µV gives 10 dB S/N
Bands 2 to 30: < 5 µV gives 10 dB S/N
?
Selectivity 1 / 3 / 6 / 10 kHz 1 / 3 / 6 / 10 kHz ?
Filters ? ? ?
Receiver system Triple Conversion Superheterodyne ? XTAL
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output External 270G-3 Speaker, 2.5 W ? Internal speaker

Transmitter

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

Connections

Antenna SO-239 SO-239 + Clamps / screws Built-in telescopic
Impedance 50Ω 50Ω 50Ω
Other - - -

Electrical

Power req. Mains (110-120 / 220-240 V AC) Mains (115 or 230 V AC, 45~70 Hz) Mains (117 V AC)
Current RX 85 W 85 W ?
TX - - -

Physical

Manufactured Between 1952 and 1956 in USA Between 1957 and 1963 in USA Between 19xx and 19xx in USA
Dimensions 536 × 317 × 333 mm
(21.10 × 12.48 × 13.11 in)
536 × 317 × 333 mm
(21.10 × 12.48 × 13.11 in)
?
Weight 19.50 kg (43.0 lbs) 24.90 kg (54.9 lbs) ?
Form factor Base Station Base Station Base Station

Other features

Memories None ? 4 channels in 1 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? ?
Accessories ? ? ?
MPN COLLINS-000051J-3 COLLINS-000051J-4 REGENCY-C000004U