UK student balloon UBSEDS21 to test 145.825 MHz APRS relay through Amateur Radio packet satellites in remote areas https://amsat-uk.org/2016/12/09/ubseds21-145-825-aprs/ 73 Trevor M5AKA ---- AMSAT-UK http://amsat-uk.org/ Twitter https://twitter.com/AmsatUK Facebook https://facebook.com/AmsatUK YouTube https://youtube.com/AmsatUK ----