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Desktop Shortwave Transceiver
Desktop Shortwave receiver
Base Station Amateur HF Receiver

General

HAM bands 20m  15m  10m  ? ?
Freq. stability ? 300Hz per 30 minutes after warm-up ?
Tuning steps Continuous ? Continuous

Receiver

RX-range 10-20 m 0.15-30 MHz 545 kHz - 33 MHz with plug-in coils
Modulations CW   SSB   N-AM   AM   W-AM   FM   CW   USB   LSB   AM   CW  
Sensitivity ? 0.5 µV 2-30 MHz, SSB/CW (S+N/N=10dB) ?
Selectivity ? AM: 6.0 kHz
SSB/CW: 2.7 kHz
FM: 15 kHz
?
Filters ? ? XTAL-filter was added in later versions
Receiver system ? Double conversion superheterodyne Single conversion superheterodyne
IF-freqs. ? ? 465 kHz
Image rejection ? ? ?
Audio output ? 1.5 Watts at 8 Ohms 1 W

Transmitter

TX-range 10-20 m - -
Modulations CW   SSB   - -
RF-output 100 W ? ?

Connections

Antenna RCA (Tulip) SO-239 + Clamps / screws Clamps / screws
Impedance 52Ω 50/500Ω ?
Other - - -

Electrical

Power req. 12, 28 V DC or mains 100/120/220/240V AC 50/60 Hz Mains
Current RX ? ? ?
TX ? - -

Physical

Manufactured Between 1957 and 19xx in USA Between 1981 and 1984 in Japan Between 1932 and 1935 in USA
Dimensions ? 334 × 129 × 225 mm
(13.15 × 5.08 × 8.86 in)
527 × 241 × 349 mm
(20.75 × 9.49 × 13.74 in)
Weight ? 6.00 kg (13.2 lbs) ?
Form factor Base Station Base Station Base Station

Other features

Memories None 12 channels in bank(s) ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? Clock / timer
Attenuator
12 optional memory channels
?
Accessories ? ? ?
MPN COLLINS-KWM-000001 YAESU-FRG-007700 HAMMARLUND-COMET-PRO