Amateur Radio Station N4JK
I enjoy making modifications to my equipment to enhance performance. Here is my version of some of the popular modifications found on the internet and in past ham radio publications.
Johnson Viking II Transmitter Modulator modification #1
Johnson Viking II Transmitter Modulator modification #2
Adapting the Astatic D-104 Microphone to work with Modern Rigs
Improved Audio for the Hallicrafters HT-40
Homebrew Condenser Microphone
TenTec Jupiter/Pegasus External Transmit-Receive Expansion