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Re: [TowerTalk] HFTA data files

To: "Tower Talk List" <[email protected]>
Subject: Re: [TowerTalk] HFTA data files
From: "Jim Brown" <[email protected]>
Date: Fri, 26 Jun 2009 14:23:11 -0700
List-post: <[email protected]">mailto:[email protected]>
On Fri, 26 Jun 2009 16:57:46 -0400, Pete Smith wrote:

>The horizontal 
>resolution of the data appears to be 3 
>arc-seconds, which is 1/1200th of a degree of 
>latitude and longitude, or about 90 meters (295 
>feet). I don't know what effect this relatively 
>low resolution, relative to HF wavelengths, may have on HFTA. 

I'm not Dean, but given the fact that Vytenis says the land is 
pretty flat around him, it should be plenty good enough. If you had 
more rugged terrain it would be good to have more closely spaced 
data points.

73,

Jim K9YC





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