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Desktop HF/VHF Receiver
Desktop Shortwave receiver
Desktop Transceiver

General

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

Receiver

RX-range 1.25-40 MHz 0.55-30 MHz 26.965-27.255 MHz
Modulations AM   CW   AM   CW   SSB   AM  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? Single conversion Double conversion, tubes
IF-freqs. ? ? 1st: 6000 kHz
2nd: 455 kHz
Image rejection ? ? ?
Audio output ? internal speaker internal speaker

Transmitter

TX-range - - 26.965-27.255 MHz
Modulations - - AM  
RF-output ? ? 5 W

Connections

Antenna Clamps / screws - -
Impedance 100 Ω 50 Ω 50Ω
Other - - -

Electrical

Power req. Separate PSU 105-125 V AC Mains
Current RX ? ? ?
TX - - ?

Physical

Manufactured Between 1939 and 1945 in USA Between 1963 and 1966 in USA Between 1964 and 196x
Dimensions ? 342 × 195 × 229 mm
(13.46 × 7.68 × 9.02 in)
296 × 110 × 267 mm
(11.65 × 4.33 × 10.51 in)
Weight 33.00 kg (72.8 lbs) 12.70 kg (28.0 lbs) 7.00 kg (15.4 lbs)
Form factor Base Station Base Station Base Station

Other features

Memories ? ? 23 channels in 1 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Citizen Band (27Mc)
Features ? ? ?
Accessories ? ? ?
MPN HAMMARLUND-SP-000220-SX NATIONAL-COMPANY-NC-000121 PEARCE-SIMPSON-GUARDIAN-000023