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[aprssig] APRS Hardware Survey

Lynn W. Deffenbaugh (Mr) ldeffenb at homeside.to
Thu Oct 20 17:08:58 UTC 2011

On 10/20/2011 12:25 PM, Stephen H. Smith wrote:
> All Mic-E devices replace the destination address (where the device ID 
> usually is) with encoded latitude information for the standard 
> position beacon.  The only time these devices will ever send the 
> destination address (and therefore identify the sending 
> device/software) is in status beacons (if sent), and during messages 
> sent to another specific station.

If you want to further analyze the Mic-E packets, see the details at 
http://aprs.org/aprs12/mic-e-types.txt and 
http://www.aprs.org/aprs12/mic-e-examples.txt but beware of the added or 
removed trailing space issue when it comes to detecting Yaesu VX-8's or 
otherwise looking at the "last" character of a Mic-E packet.  The 
character you're looking for MIGHT be before a trailing space that was 
added along the way or it might BE a trailing space that was improperly 

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

PS.  What's a HinzTec anyfrog?  Looks like another one to be added to 
the APRSISCE/32 platform detector.

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