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

General

HAM bands 80m  40m  20m  15m  10m  ? 160m  80m  40m  20m  15m  10m 
Freq. stability Less than 100 Hz per hour drift after 10 minute warm up 10 ppm (0 to 60 C) ?
Tuning steps ? 1 Hz kHz ?

Receiver

RX-range 80-10m 9 kHz - 30 MHz 10-160 m
Modulations CW   USB   LSB   AM   N-AM   CW   USB   LSB   DSB   CW   USB   LSB   FSK  
Sensitivity 0.35 µV for 10 dB S+N/N Mode 0.1-0.5 MHz 0.5-2.0 MHz 2.0-30 MHz
AM* 2.0µV 0.5µV 0.4µV
LSB, USB 0.7µV 0.3µV 0.2µV
CW 0.3µV 0.2µV 0.1µV

(10dB S+N/N)
* 80% modulation
0.33 µV for 10 dB S+N/N at 10m (2 kHz bandwidth)
Selectivity 2.1 kHz @ -6 dB
5 kHz @ -60 dB
Continuously adjustable 100-15000 Hz SSB: 2 kHz, 1.5:1 (-6 dB)
FSK: 1200 Hz, 2:1

Optional:
CW: 400 Hz, 4:1 and 300 Hz, 2:1
Filters 2.1 kHz 400 Hz optional ? ?
Receiver system ? DDS-based dual-conversion superheterodyne with software-defined last IF stage and demodulator ?
IF-freqs. ? ? ?
Image rejection ? 60 dB > 60 dB
Audio output 2 W ? 1 W

Transmitter

TX-range 80-10m - 10-160 m
Modulations CW   USB   LSB   - CW   USB   LSB   FSK  
RF-output 100 W (80-15m), 80 W (10m) ? 1-150 W (130 W max above 28 MHz)

Connections

Antenna - SMA SO-239
Impedance 50/75Ω 50Ω 50 Ω
Other - - -

Electrical

Power req. ? 12V DC Mains (115/230 V, 50-400 Hz)
Current RX ? 500mA 100 W
TX ? - 400 W

Physical

Manufactured Between 1970 and 1975 Between 200x and 200x Between 1971 and 197x in USA
Dimensions 378 × 168 × 340 mm
(14.88 × 6.61 × 13.39 in)
164 × 96 × 41 mm
(6.46 × 3.78 × 1.61 in)
413 × 184 × 356 mm
(16.26 × 7.24 × 14.02 in)
Weight ? 467 gr (1.0 lbs) 15.90 kg (35.1 lbs)
Form factor Base Station Headless Base Station

Other features

Memories ? ? ?
Usage Amateur / Ham radio operators Marine / Navy Amateur / Ham radio operators
Features 100 kHz crystal calibrator
Triple Action Level Control
VOX
PTT
DSP
Trunking option
12 kHz IF2 output
Number of memory channels limited by computer memory
Dual VFO, built-in keyer and full QSK Advanced features for such an old radio.
60 dB attenuator
Accessories ? ? ?
MPN HEATHKIT-SB-000102 WINRADIO-WR-G000033EM SIGNAL/ONE-CX-000007A