+duplicated!
+
+=head2 Examples
+
+ # on link startup
+ GB7TLH,3D02350001,0|HELLO
+
+ # on user startup
+ GB7TLH,3D042506F2,0,G1TLH|HELLO
+
+ # on user disconnection
+ GB7TLH,3D9534F32D,0,G1TLH|BYE
+
+ # a talk (actually 'text') message to a user (some distance away
+ # from the origin node)
+ GB7TLH,3D03450019,3,G1TLH,GB7BAA,G8TIC|T,Hiya Mike what's happening?
+
+ # a talk/chat/text message to a channel or group
+ GB7TLH,0413525F23,2,G1TLH,VHF|T,2m is opening on MS
+
+ # a ping to find the whereabouts and distance of a user from a node
+ # the hex number on the end is the ping ID
+ GB7TLH,1512346543,0,,,G7BRN|PING,9F4D
+
+ # the same from a user on GB7TLH
+ GB7TLH,1512346543,0,G1TLH,,G7BRN|PING,23
+
+ # this effectively asks whether the user is on-line on a particular node
+ GB7TLH,1512346543,0,G1TLH,GB7DJK,G7BRN|PING,35DE
+
+ # A possible reply, same ID as ping followed by the no of hops on the
+ # received ping
+ GB7DJK,1512450534,3,G7BRN,GB7TLH,G1TLH|PONG,35DE,3