E.F. Johnson Est. 1923 | USA

EFJohnson Company is founded in Waseca, Minnesota by 24-year-old Edgar F. Johnson in the year 1923. The company begins as a mail order business, selling radio transmitting parts to amateurs and early radio broadcasters. EFJohnson is best known for its Viking series from the 1950s and 1960s.

 Desk Kilowatt Desk Kilowatt
Desktop Shortwave Linear Amplifier
1958-196x
RX
-
TX
AM   CW   SSB  
3.5-30 MHz
 Invader Invader
HF Transmitter | 100 W
1960-1963
RX
-
-
TX
AM   CW   SSB  
80-10 m
 Invader 2000 Invader 2000
Desktop Shortwave Transmitter
196x-196x
RX
-
-
TX
AM   CW   SSB  
10-80 m
 Messenger 130A Messenger 130A
Mobile Transceiver
196x-196x
RX
AM  
11 m
TX
AM  
11 m
 Messenger 300 Messenger 300
Desktop Transceiver
195x-196x
RX
AM  
26.965-27.255 MHz
TX
AM  
26.965-27.255 MHz
 Messenger 4145 Messenger 4145
Desktop Transceiver
19xx-19xx
RX
-
26.965-27.? MHz
TX
-
26.965-27.? MHz
Messenger 4230
Desktop Transceiver
19xx-19xx
RX
-
26.965-27.? MHz
TX
-
26.965-27.? MHz
 Messenger I Messenger I
Desktop Transceiver
1958-196x
RX
AM  
11 m
TX
AM  
11 m
Messenger I
Desktop Transceiver
19xx-19xx
RX
AM  
26.965-27.405 MHz
TX
AM  
26.965-27.405 MHz
 Messenger II Messenger II
Desktop Transceiver
195x-196x
RX
AM  
26.965-27.255 MHz
TX
AM  
26.965-27.255 MHz
 Messenger III Messenger III
Desktop Transceiver
195x-196x
RX
AM  
26.965-27.255 MHz
TX
AM  
26.965-27.255 MHz
 Pacemaker Pacemaker
Desktop VHF Transmitter
1956-1959
RX
-
-
TX
AM   CW   SSB  
80-10 m
 Viking 6N2 Viking 6N2
Desktop VHF Transmitter
196x-196x
RX
-
-
TX
AM   CW  
6 / 2 m
 Viking 500 Viking 500
Desktop Shortwave Transmitter
1956-1963
RX
-
-
TX
AM   CW   SSB  
80-10 m
 Viking Adventurer Viking Adventurer
Desktop Shortwave Transmitter
196x-196x
RX
-
-
TX
CW  
80-10 m
 Viking Avenger Viking Avenger
Desktop Shortwave Transceiver
1968-196x
RX
SSB  
80-10 m
TX
SSB  
80-10 m
 Viking Challenger Viking Challenger
Desktop HF/VHF Transmitter
196x-196x
RX
-
-
TX
AM   CW  
80-10 + 6 m
 Viking I Viking I
Desktop Shortwave Transmitter
1949-1952
RX
-
-
TX
AM   CW  
160-10 m
 Viking II Viking II
Desktop Shortwave Transmitter
1952-19xx
RX
-
-
TX
AM   CW  
160-10 m
 Viking Mobile Viking Mobile
Desktop Shortwave Transmitter
1952-19xx
RX
-
-
TX
AM  
80/20/10 m
 Viking Navigator Viking Navigator
Desktop Shortwave Transmitter
195x-196x
RX
-
-
TX
CW  
160-10 m
 Viking Ranger Viking Ranger
Desktop Shortwave Transmitter
1954-1961
RX
-
-
TX
AM   CW  
160-10 m
 Viking Ranger II Viking Ranger II
Desktop Shortwave Transmitter
1961-1965
RX
-
-
TX
AM   CW  
160-6 m
Viking Thunderbolt
Desktop Shortwave Linear Amplifier
1958-196x
RX
-
TX
AM   CW   SSB  
3.5-30 MHz
 Viking Valiant Viking Valiant
Desktop Shortwave Transmitter
1956-1962
RX
-
-
TX
AM   CW   SSB  
160-10 m
 Viking Valiant II Viking Valiant II
Desktop Shortwave Transmitter
1962-1965
RX
-
-
TX
AM   CW   SSB  
160-10 m
26 item(s)