>You might want to look at mp3splt to cut it up into manageable chunks.



>Unless you turn the TX time out off, you're going need to drop PTT now and then to reset the timer.



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Another possibility is to use a script to put the machine in "bulletin mode" where the time out timer is disabled or at least set to a long time.  The same script turns the TOT back on again at the end (so you don't forget).
73
Ken