APRS/Voice HT Interface: Baofeng Mods – The Smell of Molten Projects in the Morning
Make Your Own TNC-X Cable for Baofeng
aprs-kit-build [Online Amateur Radio Community Wiki]
Baofeng UV-5R+ on APRS – Works Great! | Ham Radio Answers
Can K use an APRS-K1 Cable for an audio cable? - baofeng-uv-5r - Digirig Forum
aprs.fi on X: "I fixed it! 470 nF on the earphone output of the iPhone, where the signal was loudest, stopped the oscillation. No visible change on the TX audio - scope
Cable for connecting APRSdroid to a Baofeng UV-82 Radio (APRS via RF) – Will Bradley
APRS contact with International Space Station – fiquett.com
Easy-Digi: DIY: Modifying – NU6XB
aprs-kit-build [Online Amateur Radio Community Wiki]
APRS using a Droid phone and Baofeng UV3R
BTECH APRS-K1 Audio Cable - baofeng-uv-5r - Digirig Forum
audio - How to DIY BaoFeng radio-to-soundcard cable? - Electrical Engineering Stack Exchange