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? Thanks, Earl KD5XB -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.tapr.org/pipermail/aprssig_lists.tapr.org/attachments/20100812/fcc897c4/attachment.html>