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Desktop Shortwave Transceiver
Desktop Shortwave receiver
Desktop Transceiver

General

HAM bands 160m  80m  40m  20m  15m  10m  ? 11m (CB) 
Freq. stability ? ? ?
Tuning steps ? ? Channelized

Receiver

RX-range 10-160m / 10-10.5 MHz (WWV)
26.965-27.255 MHz
0.535-32 MHz (general coverage) 26.965-27.255 MHz
Modulations CW   SSB   AM   CW   AM   SSB  
Sensitivity AM: 2 µV (10 dB S/N)
SSB/CW: 0.5 µV (10 dB S/N)
For 20dB S/N: 8µV at 1MHz, 4.5µV at 4.3MHz, 7µV at 16MHz, 7µV at 28MHz ?
Selectivity AM/SSB: 2.4 kHz (-6 dB), 4.4 kHz (-60 dB)
CW (option): 600 Hz (-6 dB), 1.2 kHz (-60 dB)
5 Settings: -3dB bandwidths 15kHz, 9kHz, 3.4kHz, 1.6kHz, 400Hz ?
Filters ? ? ?
Receiver system X-TAL Single conversion, 14 valves ?
IF-freqs. ? 455 kHz ?
Image rejection >50 dB 120dB at 1MHz 60dB at 16MHz 46dB at 28MHz ?
Audio output ? 2.5 W (2.5 ohm external speaker or 600 ohm headphone) ?

Transmitter

TX-range 10-160m / 10-10.5 MHz (WWV)
26.965-27.255 MHz
- 26.965-27.255 MHz
Modulations CW   SSB   - AM   SSB  
RF-output AM: 80 W (input), 50% duty cycle (slightly lower on 10m), SSB: 260 W (PEP input), CW: 180 W (input) ? 4 W

Connections

Antenna SO-239 SO-239 -
Impedance 50/75 Ω 200Ω ?
Other - - -

Electrical

Power req. 13.8V DC or mains 100-260 VAC mains or 6V DC vibrator pack ?
Current RX 0.5 A 100VA ?
TX Max 21 A - ?

Physical

Manufactured Between 1972 and 1974 in Japan Between 1949 and 1950 in USA Between 19xx and 19xx
Dimensions 340 × 153 × 285 mm
(13.39 × 6.02 × 11.22 in)
488 × 280 × 488 mm
(19.21 × 11.02 × 19.21 in)
?
Weight 15.00 kg (33.1 lbs) 45.00 kg (99.3 lbs) ?
Form factor Base Station Base Station Base Station

Other features

Memories 24 channels in 1 bank(s) ? 23 channels in bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Citizen Band (27Mc)
Features 27.265-27.555 MHz XTAL option, RX and TX. BFO, Main Tuning Dial, Veneir Tuning Dial, Tuning Lock, Antenna Trimmer, HF/TONE Adjustment, Crystal Phasing, Selectivity , RF GAIN, AF GAIN, Diversity IF GAIN, Noise Limiter, VC. ?
Accessories ? ? ?
MPN SOMMERKAMP-TS-000288A/24CH RCA-SC-000088 HY-GAIN-VIII-(003078)