Ranger Audio Transmitter

Johnson Viking Ranger I Transmitter: Audio mods by Tim WA1HLR

http://www.redwaveradio.com/4_3865ed29c8bf57f6_1.htm

The Johnson Viking Ranger transmitter originally sold in the 1950s is perhaps one of the most popular "Boatanchor" AM/CW transmitters today. I've seen mint examples go for over $400.00 at Dayton but they range from $100.00 to $250.00 at flea markets or on the air swap nets. The kit sold in its time for $214.50, or $293.00 factory assembled.

Vintage Johnson Ranger 2 AM CW Ham Radio …

https://www.youtube.com/watch?v=pg2WyEZ-mao

Ranger Mods|WA1HLR - AM Window

https://amwindow.org/tech/htm/rangtron.htm

The Ranger as well as many other commercial transmitters used the chassis as a return for one side of the filament line. This practise caused hum to be induced into low level audio stages.

The Johnson Viking Ranger - Restoration

https://www.frostburg.edu/personal/latta/ee/ranger/restoration/restoration.html

AKK Race Ranger Switchable Video Transmitter - VTX

https://graysonhobby.com/akk-race-ranger-switchable-video-transmitter-vtx.html

AKK Race Ranger Video Transmitter for FPV Drones. Input voltage: 7V to 28V Extra features: Smart audio 1000mW Power supply: 5V camera @ under 500mA max. Output power: 200/400mW/800mW/1000mW Antenna connector: MMCX Cable connector: JST, 6pin Dimension: 36x36mm(W*D), 30.5x30.5mm (hole) Weight: 16.81g (excluding antenna). Features:

Audio Mod Ranger Valiant

https://www.w8ji.com/Johnson%20audio%20mods.htm

Ranger and Valiant transmitters sounded. Johnson Ranger and Valiant transmitters had the best audio on 160 meters. Johnson engineers did a good of sizing components. They obviously intended the audio system to roll off lows and accent highs to give the signal more "punch". Johnson designers did not

AKK Race Ranger Audio Switchable FPV Transmitter [EU] …

https://www.reddit.com/r/rc_deals/comments/s2z4tg/akk_race_ranger_audio_switchable_fpv_transmitter/

The Johnson Viking Ranger - Modifications

https://www.frostburg.edu/personal/latta/ee/ranger/modifications/modifications.html

Johnson Ranger audio driver mod | Page 15 | QRZ Forums

https://forums.qrz.com/index.php?threads/johnson-ranger-audio-driver-mod.701209/page-15

Johnson Ranger audio driver mod. ... Like Western Electric, Continental never produced a high level plate modulated transmitter. They had a 250 watt rig that used a pair of 4-250s with a combination of control grid and screen grid modulation, plus negative feedback based on audio derived from an RF sample taken at the output terminal and fed ...

Long Range 1500mW Audio Video Transmitter with Receiver

https://www.protectiondepot.com/1500mW-US-Transmitter-Receiver.html

The PD12-1500US video and audio signal transmitter with receiver can provide wireless signals with far less interference and greater distance than standard analog 2.4GHz transmitters. The 1.2 GHz wireless frequency transmits sharp clear video images through walls and other obstructions better than analog 2.4GHz or 5.8GHz frequencies.