Jim, AO-27 always, at least under normal conditions, structures its operating period in blocks, including that leading telemetry burst. You can see the schedule here:
http://www.ao27.org/AO27/listing.shtml 73s, Alan WA4SCA _______________________________________________ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb