[TowerTalk] HAAT calculator

[D. Scott MacKenzie]

OK - I tried it - and not surprisingly, it shows I am down in a hole - with
the average decifficent being -14 meters.  The only way out is to raise the
antennas substantially, or use a much higher angle of radiation...now my
question -  can I tilt my antenna upwards to partially compensate for the
local terrain?

Thanks

Scott

-----Original Message-----
From: towertalk-bounces at contesting.com
[mailto:towertalk-bounces at contesting.com]On Behalf Of Joe Giacobello
Sent: Saturday, January 07, 2006 11:01 AM
To: ersmar at comcast.net
Cc: towertalk at contesting.com
Subject: Re: [TowerTalk] HAAT calculator


Seems to work well with inputted GPS data.  The results all seem
reasonable.  I guess I won't be doing much LOS DXing!

73 and thanks for the info.

Joe

ersmar at comcast.net wrote:

>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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