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Desktop Shortwave receiver
Desktop Shortwave Transceiver
VHF Transceiver

General

HAM bands ? 80m  40m  20m  15m  10m  6m 
Freq. stability ? ± 50 cps per hour after warm up ?
Tuning steps ? ? Continuous

Receiver

RX-range 0.005-30 MHz (60×500 kHz bands) 10-80 m 50-54 MHz
Modulations AM   CW   SSB   FSK   AM   CW   SSB   AM   FM  
Sensitivity 0.5-30 MHz:
AM: <2 µV (10 dB S/N)
SSB/CW: <1 µV (10 dB S/N)
0.005-0.5 MHz:
25-200 µV (10 dB S/N)
0.5 µV for 10 dB S/N in SSB mode ?
Selectivity ? SSB: 2.8 kHz (-6 dB) ?
Filters ? ? ?
Receiver system Triple conversion superheterodyne Double conversion superheterodyne ?
IF-freqs. 1st: ? MHz
2nd: ? MHz
3rd: 230 KHz
? ?
Image rejection 0.5-30 MHz: 80 dB average, 50 dB minimum ? ?
Audio output ? Requires external speaker ?

Transmitter

TX-range - 10-80 m 50-54 MHz
Modulations - AM   CW   SSB   AM   FM  
RF-output ? AM: 100 W (input), SSB: 200 W (PEP input), CW: 200 W (input) ?

Connections

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

Electrical

Power req. 11-16V DC or mains 115/230 VAC Mains (NCX-A) ?
Current RX ? ? ?
TX - ? ?

Physical

Manufactured Between 1964 and 1972 in USA Between 1965 and 196x in USA Between 19xx and 19xx
Dimensions 420 × 195 × 320 mm
(16.54 × 7.68 × 12.60 in)
350 × 165 × 310 mm
(13.78 × 6.50 × 12.20 in)
?
Weight 14.50 kg (32.0 lbs) 10.40 kg (22.9 lbs) ?
Form factor Base Station Base Station Unknown

Other features

Memories ? None None
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? ?
Accessories ? NCX-A Power supply / speaker ?
MPN NATIONAL-COMPANY-HRO-000500 NATIONAL-COMPANY-NCX-000005-MKII NATIONAL-/-PANASONIC-RJX-000601