[aprssig] Writing a server filter command

Keith VE7GDH ve7gdh at rac.ca
Thu Aug 12 14:40:58 CDT 2010

Earl KD5XB wrote...

> It's been YEARS since I operated APRS on a computer -- somebody
> tell me how to write a filter command to show airplanes and not much else?

It sounds like you already have what you need, but there's an updated
copy of FILTER.TXT at www.ui-view.org/~files. You can also send
a message to SERVER with "filter?" to interrogate the server for what
filter you are currently using. You can even send a message to SERVER
and change the filter on the fly... e.g. "filter m/100" or "filter s/'O^/^" or

73 es cul - Keith VE7GDH
"I may be lost, but I know exactly where I am!"

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