[aprssig] Using Custom Filters to Find Local Digis

[druish]

Greetings all, something of a newby question here, hope I'm not too far out
of line. (Send me somewhere else if I am) I'm attempting to determine the
location of my local digis (100 or 200 mile radius) using custom filters but
I've run into a snag. Instead of AND'ing, the commands are OR'd together,
which isn't what I want at all. So far I've come up with

filter r/42/-122/200 s//#

which displays all APRS within 200km and all digipeaters. Is there a way to
just display my local digipeaters? (ie symbol=Digi AND range < 200km?) And
what's the symbol command for IGate's? Or possibly I'm going about this the
wrong way? What's the best way to determine my local APRS infrastructure?
Thank you very much for your help.


Drew Loika
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