202502 some news : https://en.wikipedia.org/wiki/Q15X25
https://na7q.com/aprsdroid-osm/
https://amateur-radio-resources.sourceforge.io/PDF/JS8APRS.pdf
https://rosmodem.wordpress.com/2011/01/10/ros-2/
https://oe7drt.com/posts/2025/75-winlink-on-android-with-woad/
http://www.w1hkj.com/modes/mt63.htm https://www.arrl.org/mt-63
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