When I checked Towair calculated the airport from the end of the runway
closest to me.
I looked up my lat/lon on google earth, plugged that into Towair and it gave
me the distance from my qth to the end of the runway closest to me, not to
the center of the airport.
Towair gave me two distances as the airport also has a crossing runway as
well as the main runway. Again it gave the distance from the closest end of
the crossing runway to me.
I checked the lat/lon positions with google earth of the airport positions
that towair said were at the airport. They were indeed the lat/lon positions
at the closest ends of the two runways.
> -----Original Message-----
> From: email@example.com [mailto:towertalk-
> firstname.lastname@example.org] On Behalf Of van wd8aam
> Sent: Sunday, April 04, 2010 10:05 AM
> To: Tower and HF antenna construction topics.
> Subject: Re: [TowerTalk] TOWAIR query - proximity to airport, FCC and
> FAA registration
> You measure from the airport reference point (ARP) which is published
> each airport. It's the lat/long of the considered center of the
> Call the airport, and ask them for their ARP.
> Van Lincoln (retired FAA)
> At 22:51 4/3/2010, you wrote:
> >Do you measure from the airport property line or the runway?
> >TowerTalk mailing list
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