Longley Rice Online tool:
http://lrcov.crc.ca/cov.php?lang=en
I also use Radio Mobile by VE2DBE:
http://www.cplus.org/rmw/english1.html
They do agree with each other. I use radio mobile professionally to do
path studies,
STL links, and to figure out azimuths for some of our remote broadcasts.
You can make some great maps of your coverage.
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Don Russell, CBRE
W9DRR
ARRL OES, Technical Specialist
Winnebago County AEC
http://www.socialengineer.us
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