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Desktop Shortwave receiver
Mobile VHF Transceiver
Desktop Transceiver

General

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

Receiver

RX-range 0.1-10 MHz? ? 26.965-27.255 MHz
Modulations AM   CW   FM   AM  
Sensitivity ? ? 0.5 µV
Selectivity ? ? 6 kHz @ -6 dB
30 kHz @ -60 dB
Filters ? ? ?
Receiver system ? ? Dual conversion superheterodyne
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? 3 W

Transmitter

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

Connections

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

Electrical

Power req. Separate PSU ? 12 V DC
Current RX ? ? ?
TX - ? ?

Physical

Manufactured Between 1937 and 19xx in USA Between 19xx and 19xx Between 195x and 196x in USA
Dimensions 455 × 261 × 440 mm
(17.91 × 10.28 × 17.32 in)
? 157 × 55 × 222 mm
(6.18 × 2.17 × 8.74 in)
Weight 14.00 kg (30.9 lbs) ? 2.30 kg (5.1 lbs)
Form factor Base Station Mobile Mobile

Other features

Memories ? ? 12 channels in 1 bank(s)
Usage Amateur / Ham radio operators Military communication Citizen Band (27Mc)
Features ? ? PA output use in vehicle
Accessories ? ? ?
MPN HAMMARLUND-SP-000110 HAMMARLUND-FM-000005 E.F.-JOHNSON-MESSENGER-III