[aprssig] AX.25 for Commercial Use

Michael Haynie c_f_coder at yahoo.com
Wed Apr 6 13:25:56 EDT 2005

I see that many of the commercial TNC manufacturers
are using the AX.25 protocol for commercial use. Does
anyone have any information on the legality of this? I
know that APRS is an amateur only system that uses
AX.25, but apparently the AX.25 protocol is open for
use in the land mobile frequemcies assuming they are
licensed for that frequency. Can anyone provide
details or verification of this? It sure seems like
there are many opportunities to use this in AVL and
other commercial tracking systems using a predefined
specification and it appears Kantronics and others are
doing it.

Thanks in advance,
Michael -  KC0EXP

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