+=== 6^SHOW/STATION ALL [<regex>]^Show list of users in the system
+=== 0^SHOW/STATION [<callsign> ..]^Show information about a callsign
+Show the information known about a callsign and whether (and where)
+that callsign is connected to the cluster.
+
+ SH/ST G1TLH
+
+If no callsign is given then show the information for yourself.
+