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[aprssig] APRS TNC Digi Tracker now with built-in GPS receiver

Earl Needham earl.kd5xb at gmail.com
Sun Oct 25 23:59:40 UTC 2009


> On Sun, 25 Oct 2009, Chris Moulding wrote:
>
> I did a lot of work during the development phase to see if it was 
> worth adding Smart Beaconing. The conclusion I came to was that it was 
> very difficult to get Smart Beaconing to work in UK and European 
> conditions. I understand that it's designed to transmit a packet with 
> a change of direction. We don't have the grid system of city streets 
> over here so the beacon rate driving in towns and cities ends up far 
> higher than just running a timed beacon every two or three minutes. 
> The large roundabouts (traffic circles?) at motorway junctions also 
> cause many rapid bursts of packets. I like the idea of the reduced 
> rate when stationary and that appears to be the only benefit over 
> here. I've nothing against Smart Beaconing, these are just my 
> observations. If anyone has any suggested settings I would be willing 
> to try them. 

    Try setting the turn delay parameter to 30 seconds or so and the 
rapid burst problem goes away entirely.

    7 3
    Earl

-- 
KD5XB -- Earl Needham
Clovis, New Mexico DM84jk
http://groups.yahoo.com/group/cw_bugs
Quoting from the Coast Guard: ZUT




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