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Desktop HF/VHF Receiver
Desktop Shortwave receiver
Headless HF/VHF/UHF Scanner / receiver

General

HAM bands 160m  80m  40m  20m  15m  6m  2m  10m  80m  40m  20m  15m  10m  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m  2000m 
Freq. stability ? ? 0.5 ppm (0 to 60 C)
Tuning steps Continuous Continuous 1 ppm (25C 2C) kHz

Receiver

RX-range 160-6 m
(2 m optional)
10-80 m 9 kHz - 30 MHz (9 kHz - 180 MHz optional)
Modulations AM   CW   SSB   DSB   AM   CW   SSB   AM   AM-sync   FM   CW   USB   LSB   DSB   ISB  
Sensitivity ? ? Mode 0.15?0.5 MHz 0.5?1.5 MHz 1.5?30 MHz
AM, AMS (30% modulation) ?103dBm
(1.6V) ?106dBm
(1.1V) ?108dBm
(0.9V)
AM, AMS (80% modulation) ?111dBm
(0.63V) ?115dBm
(0.4V) ?116dBm
(0.35V)
LSB, USB, ISB, DSB ?115dBm
(0.40V) ?118dBm
(0.28V) ?119dBm
(0.25V)
CW ?122dBm
(0.18V) ?125dBm
(0.13V) ?130dBm
(0.07V)
FM ?110dBm
(0.7V) ?113dBm
(0.5V) ?117dBm
(0.32V)
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? DSP-based SDR with DDS-based double-conversion superheterodyne front end
IF-freqs. ? ? 1st: 45 MHz
2nd: 16 (12-22) kHz
Image rejection ? ? 1.8-7.3 MHz: 80 dB7.3-30 MHz: 70 dB
Audio output ? ? 600 ohm line audio

Transmitter

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

Connections

Antenna SO-239 + Clamps / screws - SMA
Impedance 50Ω 50Ω 50Ω
Other - - -

Electrical

Power req. Mains ? ?
Current RX 120W ? ?
TX - - -

Physical

Manufactured Between 1958 and 1962 in USA Between 1959 and 1962 in USA Between 200x and 200x
Dimensions 483 × 267 × 330 mm
(19.02 × 10.51 × 12.99 in)
308 × 155 × 254 mm
(12.13 × 6.10 × 10.00 in)
195 × 99 × 19 mm
(7.68 × 3.90 × 0.75 in)
Weight 17.25 kg (38.1 lbs) 7.00 kg (15.4 lbs) 330 gr (11.6 oz)
Form factor Base Station Base Station Headless

Other features

Memories None None ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? DSP
Number of memory channels limited by computer memory
Accessories ? ? ?
MPN HAMMARLUND-HQ-000170C HEATHKIT-MR-000001-'COMANCHE' WINRADIO-WR-G000313E