Are you in "Expert" mode, or the default (Power-Up) mode? I think the MHeard command is an Epert Mode command. Jim ---- Sent via amsat-bb@amsat.org. Opinions expressed are those of the author. Not an AMSAT member? Join now to support the amateur satellite program! To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org