Compare rigs

Compare specifications between amateur radios. Simply select up to 3 radios and compare them side-by-side, including images and descriptions.

Desktop Shortwave Transmitter
Mobile VHF/UHF Scanner / receiver
Desktop Shortwave Transceiver

General

HAM bands 160m  80m  40m  20m  15m  10m  ? 160m  80m  40m  20m  15m  10m 
Freq. stability ? ? ?
Tuning steps ? ? ?

Receiver

RX-range - 30-50 / 148-174 / 450-512 MHz 10-160m / 10-10.5 MHz (WWV)
26.965-27.255 MHz
Modulations - FM   CW   SSB  
Sensitivity ? ? AM: 2 µV (10 dB S/N)
SSB/CW: 0.5 µV (10 dB S/N)
Selectivity ? ? AM/SSB: 2.4 kHz (-6 dB), 4.4 kHz (-60 dB)
CW (option): 600 Hz (-6 dB), 1.2 kHz (-60 dB)
Filters ? ? ?
Receiver system ? XTAL X-TAL
IF-freqs. ? ? ?
Image rejection ? ? >50 dB
Audio output ? ? ?

Transmitter

TX-range 160-10 m - 10-160m / 10-10.5 MHz (WWV)
26.965-27.255 MHz
Modulations AM   CW   - CW   SSB  
RF-output CW: 115 W, AM: 100 W ? AM: 80 W (input), 50% duty cycle (slightly lower on 10m), SSB: 260 W (PEP input), CW: 180 W (input)

Connections

Antenna - - SO-239
Impedance ? 50Ω 50/75 Ω
Other - - -

Electrical

Power req. Mains 12V DC 13.8V DC or mains
Current RX - ? 0.5 A
TX ? - Max 21 A

Physical

Manufactured Between 1949 and 1952 in USA Between 1976 and 1977 Between 1972 and 1974 in Japan
Dimensions 530 × 285 × 380 mm
(20.87 × 11.22 × 14.96 in)
? 340 × 153 × 285 mm
(13.39 × 6.02 × 11.22 in)
Weight ? ? 15.00 kg (33.1 lbs)
Form factor Base Station Mobile Base Station

Other features

Memories ? 16 channels in 1 bank(s) 24 channels in 1 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features 11 tubes ? 27.265-27.555 MHz XTAL option, RX and TX.
Accessories ? ? ?
MPN E.F.-JOHNSON-VIKING-I 20-165 SOMMERKAMP-TS-000288A/24CH