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[aprssig] Alinco DR-135T (TNC) Resetting

Earl Needham needhame1 at plateautel.net
Tue Nov 2 16:21:53 UTC 2004


At 05:22 AM 11/2/2004, Jeff Kelly wrote:
>My Alinco DR-135T with internal TNC is resetting it's
>internal tnc memories about every 2 weeks.  It is mobile
>and fires up with the car power.  A Digitraveler is feeding it.
>
>Does anyone have experience with this and have a way
>of preventing this?

         I had a similar experience using an MFJ TNC as a dumb tracker 
several years ago.  Nothing helped, tried auxiliary battery, even a 
completely separate power supply from the vehicle.  I finally had a custom 
chip programmed so that when the thing reset it was in GPS mode and all the 
settings were already in place.

         But this is about the first time I've heard of the Alinco doing 
this, so maybe something else is going on.  It's basic, and "everybody 
knows it", but you might get good results by grounding the rig, ensuring 
the power cable is in good shape, etc., i.e. all the "good engineering 
practices" we usually take for granted.

         Gd lk es 7 3
         Earl


Earl Needham, KD5XB, Clovis, New Mexico  DM84jk







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