> where is the contact? > that just shows that both were able to copy each other.
But they exchanged a QSL and both got the original exchange info from each other. On a shared single channel resource, we should be concerned with contact efficiency. This takes 16 packets for 8x8 or a total of 64 confirmed contacts. 2N for N*N contacts Compared to 256 packets for 64 confirmed contacts the analog way (4*N*N) Or compared to the impossible 2560 retries trying to do it via the ISS BBS! >> [an] aprs style contact it is usualy done like this: >> station A sends a CQ beacon with his exchange info >> station B sends a CQ beacon with his exchange info >> station B sends a bulletin message with all the calls he has >> recieved so far in the pass. Station A sends a bulletin with >> all the calls he has recieved so far in the pass. if station A is in >> the list of station B and Station B is in the list of station A, >> I would say it is a confirmed contact. >> >> in most places there are igates that will send the pass to the APRS >> internet stream and you can check back on aprs.fi or findu.com Bob, WB4APR _______________________________________________ Sent via [email protected]. 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
