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Desktop Shortwave receiver
Desktop Shortwave Transceiver

General

HAM bands ? 80m  40m  20m  15m  10m 
Freq. stability ? ± 50 cps per hour after warm up
Tuning steps ? ?

Receiver

RX-range 0.54-30 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 Double conversion superheterodyne
IF-freqs. 1st: 2215 kHz
2nd: 230 kHz
?
Image rejection ? ?
Audio output 3 W (external speaker required) Requires external speaker

Transmitter

TX-range - 10-80 m
Modulations - AM   CW   SSB  
RF-output ? AM: 100 W (input), SSB: 200 W (PEP input), CW: 200 W (input)

Connections

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

Electrical

Power req. 105-120V AC Mains (NCX-A)
Current RX ? ?
TX - ?

Physical

Manufactured Between 1963 and 1964 in USA Between 1965 and 196x in USA
Dimensions 400 × 225 × 229 mm
(15.75 × 8.86 × 9.02 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

Other features

Memories ? None
Usage Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ?
Accessories ? NCX-A Power supply / speaker
MPN NATIONAL-COMPANY-NC-000140 NATIONAL-COMPANY-NCX-000005-MKII