ORIGINAL MESSAGE: On Sun, 19 Jul 2009 17:20:30 -0700, "JACKM HENKLE" <w7jk at verizon.net> wrote: >This is a good source that I have placed in my favorites.> > >http://www.timesmicrowave.com/cgi-bin/calculate.pl > > REPLY: Excellent find, thanks! 73, Bill W6WRT