Good afternoon.
You might try using YT, written by Dean Straw, N6BV and is available from the
ARRL. It also has a data base of historical wave angles from lots of locations
throughout the USA (e.g. W6-SF) to lots of general locations throughout the
world (e.g. EU). It provides a graph that can overlay three at a time, plus the
historical file data. The only restriction is that the antenna data base is
limited to a select number of horizontal antennas; however, this still provides
a good profile.
Have a great day & 73,
Tom Schiller, N6BT
President, Force 12, Inc.
Amateur Antennas, Commercial Towers & Antennas
P.O. Box 1349 Paso Robles, CA 93447
Phone: 805.227.1680 FAX 805.227.1684
Web Site: http://www.QTH.com/force12
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