GMD doesn't like your NUL packet.  It says it is grunged at
position 58...

000000  A603A603 00000000 00000000 00000000  ................
000010  00000200 C702C702 00000000 00000000  ................
000020  00000300 03000000 00010000 01000300  ................
000030  03000700 00000000 00000200           ............
                              ^^

That byte should be a 0x00, to terminate a packet, as opposed
to starting a message.  BFN.  Paul.
@EOT:

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