...The radios we'll always remember

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Modifications and accessories for low-power entry level radio equipment
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Build a Z-Match Tuner - You'll like it!

     Many hams still use manual antenna tuners  for impedance matching at HF.   Most current manual tuners are T-Network types, great for impedance-matching, but as high-pass filters, harmonic attenuation may be inadequate.   As modern transmitters have low-pass filter networks in the output, most guys don’t need an antenna tuner for harmonic reducti...  READ MORE

W9RAN
04/24/2022
Heat up the iron
Johnson Ranger restoration by WD4NKA

Longtime glowbug advocate and creator of “Tube Pad”  Gary Johanson WD4NKA shares the story of his Johnson Ranger restoration.  He plans to do what's necessary but not make any major mods at this time:  “Finally got around to opening the Johnson for the first time. It still has its fused plug. As I suspected, it’s all original, no mods. It’s very clean...  READ MORE

W9RAN
03/17/2022
Heat up the iron
DX60B FUNCTION SWITCH REPAIR AND MODIFICATION

*** The . PDF file is downloadable below ***There are lots of mods for the Heathkit DX60 on the internet. These include audio and PTT mods. The PTT mods address an issue with the function switch and makes switching between RX and TX more flexible. The Function wafer switch on an unmodified DX60 switches the high voltage secondary of the power transformer when going from standby (receive) to trans...  READ MORE

stonebs
12/08/2018
Heat up the iron
Heathkit DX-60 PTT Modification

** The . PDF file is downloadable below ***One of the biggest short comings of the DX-60 is the function switch, and the need to switch the phone operation to Push-To-Talk (PTT), which should enhance the operation and save the function switch. I also wound up using a D-104 unamplified microphone with my DX-60B. Parts List: 1 – Two pin Microphone connector 2 – 6 or 12 VDC 4PDT Relay (I...  READ MORE

stonebs
12/08/2018
Heat up the iron
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