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

General

HAM bands 80m  40m  20m  15m  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 ? 1 ppm (25C 2C) kHz

Receiver

RX-range 10-80 m 10-80 m 9 kHz - 30 MHz (9 kHz - 180 MHz optional)
Modulations AM   CW   SSB   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 - 10-80 m -
Modulations - CW   SSB   -
RF-output ? 100 W ?

Connections

Antenna - SO-239 SMA
Impedance 50Ω 50 Ω 50Ω
Other - - -

Electrical

Power req. ? 12-14V DC ?
Current RX ? ? ?
TX - Max 20 A -

Physical

Manufactured Between 1959 and 1962 in USA Between 1980 and 198x Between 200x and 200x
Dimensions 308 × 155 × 254 mm
(12.13 × 6.10 × 10.00 in)
247 × 95 × 301 mm
(9.72 × 3.74 × 11.85 in)
195 × 99 × 19 mm
(7.68 × 3.90 × 0.75 in)
Weight 7.00 kg (15.4 lbs) 5.90 kg (13.0 lbs) 330 gr (11.6 oz)
Form factor Base Station Base Station Headless

Other features

Memories 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 HEATHKIT-MR-000001-'COMANCHE' SWAN-(CUBIC)-000100-MX WINRADIO-WR-G000313E