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[aprssig] Re: javAPRSFilter "AND" logic

Gerhard f5vag.eu at gmail.com
Thu May 8 19:30:49 UTC 2008


On Thu, May 8, 2008 at 6:29 PM, Pierre Thibaudeau <ve2prt at sympatico.ca> wrote:

>  Here is an example: I am interested only in DSTAR related traffic
>  originating in prefix VE2/VA2. The filter I need is "p/VE2/VA2" AND
>  "d/DSTAR". If I specify "p/VE2/VA2 d/DSTAR" I get ALL traffic in my area
>  plus all DSTAR traffic worldwide. Designing a exclusion filter to exclude
>  all "d"'s expect DSTAR is impossible and by the same token it is
>  impossible to design an exclusion filter to exclude everything except
>  VE2/VA2. In both cases, there are just too many possibilities even with
>  wildcards.

Pierre,

I agree with you that it sometimes would be nice to also have a
logical AND function and not only OR. However, the current filter
possibilities are very good and at the limit of what many users
can digest and apply. See the number of posts on the lists
concerning the filters.

If you can run PHP5 command line scripts, I can send you a copy
of my script for the DPRS log for Europe. The regions is by the
server filter, the beacon type selected by the script.
http://f5vag.eu/dstar/dglog.php

The log reader is JavaScript, i.e. on the client side.

--
73 de Gerhard, F5VAG / DL7MW
http://f5vag.eu, france.aprs2.net




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