From the TAPR Digital Communications Conference of 2018, held in Albuquerque, NM - Phil Karn, KA9Q, talks about Realtime Multicast for use in SDR devices, and also in digital voice.
TAPR DCC: https://www.tapr.org/dcc.html
Be sure to subscribe for more Ham Radio video: https://goo.gl/6hjh2J
Checkout my website: https://livefromthehamshack.tv
If you want to support me, follow my Patreon link: https://goo.gl/FkESU6