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[aprssig] Proper TT3 Setup

Bruce Coates bruce.coates at sasktel.net
Tue May 13 13:05:45 UTC 2008

Hi Matt

Smart Beaconing has the potential for creating excessive transmissions if not set correctly.  The most common mistake is to set the corner pegging to a very small angle.  If it's set too low, the small errors produced by the GPS can make it believe that you have rounded a "corner" and cause a packet to be sent.  We have a local ham that has done this and is beaconing every 3 to 5 seconds with a path of WIDE3-3 which pretty much floods our APRS channel.  As long as you sent it to something greater than 45 degrees you should be fine.

73, Bruce - VE5BNC
  ----- Original Message ----- 
  From: Matt Murphy 
  To: aprssig at lists.tapr.org 
  Sent: Tuesday, May 13, 2008 5:51 AM
  Subject: [aprssig] Proper TT3 Setup

  Hello All,
  I am getting the finishing touches completed on my TinyTrack3.  Just in time for Hamvention!  Since this is still new for me, I wanted to run this by someone to make sure I am right.  I'm traveling from Zanesville, OH. and then staying in Hilliard.  I have set it up with "Wide2-1" (too many? not enough?) and turned on smart beaconing.

  I was going to put in that I'm "Monitoring 146.520" and have that sent every 4th time.


  Matthew, kc8bew


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