Here's an even more colorful example: http://srv02.compumont.com/wa/check.html > WA7NMP runs something like this for Washington state: > http://srv02.compumont.com/hog/ > > Bad paths are highlighted red. > > The filter string is a/49/-125/45/-117, so it doesn't monitor anything > outside the state. > > > Tom KD7LXL