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Desktop Shortwave Transceiver
Desktop Shortwave Transceiver
Desktop VHF Scanner / receiver

General

HAM bands 160m  80m  40m  20m  15m  10m  160m  80m  40m  20m  15m  10m  2m 
Freq. stability ? ? ?
Tuning steps ? Continuous vernier, ~18 kHz per revolution ?

Receiver

RX-range 10-160m / 10-10.5 MHz (WWV)
26.965-27.255 MHz
10-160 m
1.8-2.3 / 3.5-4.0 / 7.0-7.5 / 10.0-10.5 / 14.0-14.5 / 21.0 / 21.5 / 28.0-30.0 + one AUX band
75-85 / 144-171 MHz
Modulations CW   SSB   CW   SSB   FM  
Sensitivity AM: 2 µV (10 dB S/N)
SSB/CW: 0.5 µV (10 dB S/N)
From 2 µV on 160 m to 0.3 µV on 10 m (10 dB S+N/N) ?
Selectivity AM/SSB: 2.4 kHz (-6 dB), 4.4 kHz (-60 dB)
CW (option): 600 Hz (-6 dB), 1.2 kHz (-60 dB)
? ?
Filters ? ? ?
Receiver system X-TAL Single conversion superheterodyne ?
IF-freqs. ? 9 MHz ?
Image rejection >50 dB ? ?
Audio output ? 1.5 W at 2% distortion / 4 ohms ?

Transmitter

TX-range 10-160m / 10-10.5 MHz (WWV)
26.965-27.255 MHz
10-160 m
1.8-2.3 / 3.5-4.0 / 7.0-7.5 / 14.0-14.5 / 21.0 / 21.5 / 28.0-30.0 + one AUX band
-
Modulations CW   SSB   CW   SSB   -
RF-output AM: 80 W (input), 50% duty cycle (slightly lower on 10m), SSB: 260 W (PEP input), CW: 180 W (input) 85-100 W @ 14 V DC, 100% duty cycle ?

Connections

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

Electrical

Power req. 13.8V DC or mains 12V DC Mains
Current RX 0.5 A 400 mA ?
TX Max 21 A 18 A max -

Physical

Manufactured Between 1972 and 1974 in Japan Between 1978 and 1980 in USA Between and
Dimensions 340 × 153 × 285 mm
(13.39 × 6.02 × 11.22 in)
108 × 146 × 356 mm
(4.25 × 5.75 × 14.02 in)
?
Weight 15.00 kg (33.1 lbs) 6.60 kg (14.6 lbs) ?
Form factor Base Station Base Station Base Station

Other features

Memories 24 channels in 1 bank(s) None 8 channels in 1 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features 27.265-27.555 MHz XTAL option, RX and TX. VOX
XTAL-calibrator
SWR-meter
Dual speakers
?
Accessories ? Model 243 Remote VFO
Model 248 Noise blanker
Model 252MO AC power supply
Model 645 Electronic keyer
?
MPN SOMMERKAMP-TS-000288A/24CH TEN-TEC-OMNI-A (000545) SBE-SENTINEL-I