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[aprssig] Preliminary delayed packet analysis

Stan - N0YXV n0yxv at gihams.org
Sat Jun 17 02:20:15 UTC 2006


I'm not trying to reinvent APRS-IS. I was hoping that the thrown out packets
could be collected somewhere along with the kept packets so we could get a
bigger picture.

> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org
> [mailto:aprssig-bounces at lists.tapr.org]On Behalf Of VE7GDH
> Sent: Friday, June 16, 2006 8:19 PM
> To: aprssig at lists.tapr.org
> Subject: RE: [aprssig] Preliminary delayed packet analysis
>
>
> Stan N0YXV wrote...
>
> > I am looking at the raw data. Several of those packets you listed in the
> > link above hit at least 4 IGates that I know of yet only one shows up.
>
> Ah... I get it now. You want to see ALL the raw data including
> the dupes. It
> sounds like that would be a fundamental change if the APRS-IS didn't throw
> out the dupes.
>
> Re dupes... I actually think it would be a good thing if the  APRS-IS went
> back more than 30 seconds looking for dupes. I don't know if the servers
> would need more horsepower or not, but if they did dupe checks
> for a minute
> or even better, two minutes, we would see less zig-zagging of stations
> caused by delayed packets. I was watching a mobile station this
> morning and
> many of the dupes were just over 60 seconds in age, but some were
> up to two
> minutes.
>
> 73 es cul - Keith VE7GDH
> --
> "I may be lost, but I know exactly where I am!"
>
>
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