During the net, there are several ways for you to check in yourself or a group of buddies that are listening on your repeater or with you.
The first way is to send EMAIL to Marty wv5y at amsat dot org
The second way is to join us on the Internet Relay Chat (IRC)
The third way is to call Marty in Houston at 713-467-9870
The last way is via APRS. Send your message to WV5Y, Marty is always on line and runs a gateway.