APRS - more than just position data

 APRS has never been used here, but Southgate News has a piece on using APRS for so much more.

See http://www.southgatearc.org/news/2020/october/aprs-more-than-just-position-data.htm#.X5vZxruTK00

Smallest APRS TX

See https://git.scd31.com/laptopdude90/smallest-aprs-transmitter .

Looking for a small APRS transmitter? You might like this, which was on Twitter earlier. Although I have a Twitter account I rarely use it, but I get emails about Twitter most days.

Tiny APRS transceiver for PC

This transceiver looks like it should be possible to duplicate. A neat design. I think this connects via a USB socket so the PC acts as a node for digital modes like DSTAR.

See http://unsigned.io/forum/viewtopic.php?id=2