[aprssig] bad PHG, or lots of big towers?

Neville A. Cross nacross at gmail.com
Tue Dec 14 11:23:10 EST 2004


English is not my fisrt languaje. Also I am quite new to APRS. When it
comes to acronims I am really bad. Can you please tell me what HAAT
means? If HAAT need some calculations, can you please explain it to


On Tue, 14 Dec 2004 09:51:00 -0600, Jason Winningham <jdw at eng.uah.edu> wrote:
> I should have said HAAT instead of height, since that's what I meant.
> And yes, the APRS spec clearly states height is HAAT, not above ground
> level or above sea level.
> Some googling suggests that the tallest towers in the world (that is,
> distance to the top of the actual tower structure above the ground it
> is built on) are less than 2000ft tall.
> I guess my next step is to perform some HAAT calculations for my own
> education.
> -Jason
> kg4wsv
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