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[aprssig] Preliminary delayed packet analysis

Stan - N0YXV n0yxv at gihams.org
Fri Jun 16 03:08:37 UTC 2006


I think it also might be nice to somehow show people ALL the IGates they've
hit. I guess what I'm trying to say is that when you look at online sights
like Findu.com you see the one packet that made it to the APRS-IS system
without all the dups. Of course this is good but I think it could
lead...falsely...to people thinking their packets only travel one direction
and stop at one place. I'm not saying get rid of the dub checking heavens no
I'm just wondering out loud if there could be some online place where a
person could go to see just exactly how many IGates have seen packet X. I
think it might just open the eyes of some of the people that still think
WIDE5-5 is a good idea.



> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org
> [mailto:aprssig-bounces at lists.tapr.org]On Behalf Of mconner at aer.com
> Sent: Thursday, June 15, 2006 12:28 PM
> To: aprssig at lists.tapr.org
> Subject: Re: [aprssig] Preliminary delayed packet analysis
>
>
> Hi Wes,
>
> I've been a little hesitant to post a list publicly, mainly
> because the problem comes and goes over the course of several
> days, and this dataset is > 1 week old.  Many of them stopped
> sending dupes even by the end of the week's archive (system
> reboot?).  I'd hate to put out a "bad-boy" list that wasn't
> accurate anymore.
>
> It would be interesting for someone to work on a Perl script that
> would perform the appropriate filtering and comparisons and
> report out IGates sending dupes in near-real-time, sort of like
> K4HG's error page - show a list of IGate callsigns and the number
> of "late" packets they've injected in the system in the last few
> hours.  One or two wouldn't be cause for concern, but if you saw
> 10 or more  that might lead you to check the IGate's performance.
>  I'm a real amateur Perl programmer - I use it mostly as a
> replacement for csh scripts on Solaris at work.
>
> 73 de Mark N9XTN
>
>
> Message: 8
> Date: Thu, 15 Jun 2006 04:06:27 -0700
> From: Wes Johnston <wes at kd4rdb.com>
>
> Good work!!  Could you post the callsigns of the igates that do
> delay and perhaps the owners can figure out what their stations
> have in common?
>
> Wes
>
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