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Desktop Shortwave receiver
Desktop Shortwave Transmitter
Desktop Shortwave Transceiver

General

HAM bands 160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m  2000m  80m  40m  20m  15m  10m  80m  40m  20m  15m  10m 
Freq. stability ? less than 500 Hz variation ± 50 cps per hour after warm up
Tuning steps Continuous Continuous ?

Receiver

RX-range 0.12-31 MHz - 10-80 m
Modulations AM   CW   SSB   - AM   CW   SSB  
Sensitivity ? ? 0.5 µV for 10 dB S/N in SSB mode
Selectivity ? ? SSB: 2.8 kHz (-6 dB)
Filters ? ? ?
Receiver system ? ? Double conversion superheterodyne
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? Requires external speaker

Transmitter

TX-range - 80-10 m
3.5-4 / 7-7.5 / 14-14.5 / 21-21.5 / 28-29 / 29-30 MHz
10-80 m
Modulations - AM   CW   AM   CW   SSB  
RF-output ? 50 W AM: 100 W (input), SSB: 200 W (PEP input), CW: 200 W (input)

Connections

Antenna - SO-239 SO-239 + Clamps / screws
Impedance 50Ω 40-1000Ω 25/100Ω
Other - - -

Electrical

Power req. Mains Mains (110 / 125 / 140 / 160 / 220 / 280 V AC, 50-60 Hz) Mains (NCX-A)
Current RX ? - ?
TX - 195 VA max ?

Physical

Manufactured Between 1971 and 1974 in Great Britain Between 1964 and 1966 in Italy Between 1965 and 196x in USA
Dimensions ? 520 × 260 × 250 mm
(20.47 × 10.24 × 9.84 in)
350 × 165 × 310 mm
(13.78 × 6.50 × 12.20 in)
Weight ? ? 10.40 kg (22.9 lbs)
Form factor Base Station Base Station Base Station

Other features

Memories None None None
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? ?
Accessories ? ? NCX-A Power supply / speaker
MPN EDDYSTONE-001830/1 GELOSO-G000004/223 NATIONAL-COMPANY-NCX-000005-MKII