i've written a small patch to osmocom-tetra to send data via udp (i didn't want to use gsmtap), and a crappy program to display/log/record/listen live

the only interesting part for people on this list would probably be crude d-setup, d-release and sds decoding. also the demodulator is stripped from the gui, so that it can receive baseband via a unix pipe from some receiver (gnuradio, but could use rtl_fm probably too).

https://github.com/sq5bpf/osmo-tetra-sq5bpf - patched osmocom-tetra

https://github.com/sq5bpf/telive - crappy ncurses gui

jacek