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Bad APRS citizens (was Re: [aprssig] Tiny Tracker?)

James Washer washer at trlp.com
Tue Aug 30 18:58:24 UTC 2005


Well, this brings up a sore point. How to handle folks that "don't have"/"won't get" a clue.

There's not much that can be done to keep them from consuming local RF bandwidth from their direct packets, but the local community could easily "black list" the station, or otherwise control the digipeating of the station. Igates could do the same thing. I'm guessing that a typical Igate is a full functioning PC, and hence could do any level of dup checking, for arbitrary lengths of time.

 - jim

On Tue, 30 Aug 2005 12:46:40 -0600
Bruce Coates <bruce.coates at Sasktel.net> wrote:

> We have a similar culprit around here and it's because he has a very small 
> turn angle set in his smart beaconing.  The slightest change in his heading 
> generates yet another packet.  Travelling down one of our many straight 
> roads can initiate several packets/minute just because of slight shifts in 
> the bearing reported by the GPS.  Going around an interchange or entering a 
> parking lot often generates dozens packets.  I've actually put him in my 
> BUDLIST on the main digipeater to try to keep a handle on the QRM.
> 
> Attempts at education have so far failed miserably.  ;-)
> 
> 73, Bruce - VE5BNC
> 
> ----- Original Message ----- 
> From: "Robert Bruninga" <bruninga at usna.edu>
> To: <aprssig at lists.tapr.org>; "Robert Bruninga" <bruninga at usna.edu>
> Sent: Tuesday, August 30, 2005 11:26 AM
> Subject: [aprssig] Tiny Tracker?
> 
> 
> We have a Tiny Tracker APT311 that has been
> generateing over 450 packets per hour for the
> last 24 hours (or more, I just noticed it last
> night).
> 
> His main settings appear to be:
> 1) a 30 second rate
> 2) both a posit AND separate STATUS packet every time
> 3) a WIDE2-2 path.
> 
> I am emailing him to suggest what he can do to
> reduce his load on the network, but I want to make
> sure that in fact he can make these changes on
> this particular hardware.
> 
> 1) put his comment text in his posit.  Turn off STATUS
> 2) OR set a Status rate that is 10% of
>     his posit rate.
> 3) Reduce his rate to 2 minutes routine.
> 4) Do smart beaconing or change rates
>     while parked, or turn it off when not
>    moving...
> 5) Change to WIDE1-1 if he needs the
>    higher rates for some reason...
> 
> Bob
> 
> 
> 
> 
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