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Desktop Shortwave receiver
Desktop Shortwave receiver
Mobile Transceiver

General

HAM bands ? ? 11m (CB) 
Freq. stability ? ? ?
Tuning steps ? Continuous Channelized

Receiver

RX-range 0.54-30 MHz 15,5-26,6 / 23,5-41 / 37,5-65 / 64-115 meter
110-175 / 170-300 / 290 - 570 meter optional
26.965-27.225 MHz
Modulations AM   CW   SSB   AM   AM  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system Double conversion superheterodyne TRF with regeneration ?
IF-freqs. 1st: 2215 kHz
2nd: 230 kHz
? ?
Image rejection ? ? ?
Audio output 3 W (external speaker required) ? ?

Transmitter

TX-range - - 26.965-27.225 MHz
Modulations - - AM  
RF-output ? ? 3.5 W

Connections

Antenna - - -
Impedance 50 Ω 50Ω 50Ω
Other - - -

Electrical

Power req. 105-120V AC 6 + 45 + 135 + 180 V ?
Current RX ? ? ?
TX - - ?

Physical

Manufactured Between 1963 and 1964 in USA Between 1929 and 1935 in USA Between 19xx and 19xx in Taiwan
Dimensions 400 × 225 × 229 mm
(15.75 × 8.86 × 9.02 in)
? 186 × 55 × 221 mm
(7.32 × 2.17 × 8.70 in)
Weight ? ? ?
Form factor Base Station Base Station Mobile

Other features

Memories ? None 23 channels in 1 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Citizen Band (27Mc)
Features ? ? ?
Accessories ? External PSU: National 3580B ?
MPN NATIONAL-COMPANY-NC-000140 NATIONAL-COMPANY-SW-000004 HANDIC-000423