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[aprssig] Voice Repeater Frequency Objects

Jeff N0JUH jefflists08 at corrt.com
Wed Sep 17 04:40:16 UTC 2008


There was a tracker near me that beaconed once per minute even when the 
ham's car was not moving.  But apparently his GPS elevation drifts a 
little, and the A=xxx number was slightly different every time.  Instead 
of recognizing it as a duplicate position, my D700 put it on the 
frequency display every time.

So, was my D700 parsing the "A" value to decide that it wasn't a "dP", 
or will any change in the packet payload be interpreted as something new 
to display?  Thankfully, someone got him to shut the darn thing off :)

   --Jeff

Jason KG4WSV wrote:
> On Tue, Sep 16, 2008 at 3:21 PM, Robert Bruninga <bruninga at usna.edu> wrote:
> 
>> But the /A=xxxxxx does not need any parsing.  It is the human
>> readable form of altitude.
> 
> sorry, my mistake.  I was giving the D7/700 credit for being a bit
> smarter than they actually are - I was under the impression that they
> actually parsed the altitude for the detailed station display.
> 
> I maintain that xastir is not broken, because it meets the published spec.
> 
> -Jason
> kg4wsv
> 
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