[TowerTalk] (no subject)

ersmar@comcast.net ersmar at comcast.net
Fri Jan 6 20:46:06 EST 2006


TT:

     The ARRL's web site has a reference to a page on the FCC's site  to calculate HAAT (Height Above Average Terrain):  http://www.arrl.org/news/features/2006/01/06/1/?nc=1    For those of you not familiar with the concept, when applying for various FCC-issued licenses, an applicant is required to determine the height of his proposed antenna's radiation center above the average elevation of the terrain around the proposed transmitter location, averaged over a distance from 3 kM to 16 kM away, along eight or more radials.  

     I was extremely delighted to find that my Skyhawk's HAAT is 29 Meters for the full 360-degree azimuth.  However, that figure is actually negative from approx. 330 to 350 degrees.  So much for eastern Asia and PacRim stations.

73 de
Gene Smar  AD3F
QTH: just north of WDC


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