Order Tray | Contact Us | Home | SIG Lists

[aprssig] Re: PHG and HAAT

w0ep at frii.com w0ep at frii.com
Fri Oct 14 22:00:16 UTC 2005


> n0yxv at gihams.org wrote:
>> Ops sorry still can't figure out how you can get a negitive number.
>> According to
>> how to figure HAAT in previous posts you couldn't get lower than a zero.
>> Maybe
>> figuring HAAT is so simple I'm missing something.
> Simple...  If you happen to have a lower ABSOLUTE altitude than the
> majority of sample points on the radials extended outward from your
> location (using the FCC technique of computing HAAT), you will get a
> negative HAAT.

It's called being "below average".

Chris
w0ep





More information about the aprssig mailing list