[TowerTalk] Fwd: Some more background on HFTA terrain data

[Pete Smith <n4zr@contesting.com>]

In the light of the discussion about terrain modeling, I thought the 
following from N6BV would be of interest.  There's a fair bit of common 
material in the two papers, but the second is particularly informative on 
the differences between DEMs and the seamless NEDs.


> Pete:
>
> I've given several talks at various forums on this topic.
>
> http://www.kkn.net/dayton2004/N6BV-Dayton-2004.pdf. This was for a more
> general-purpose audience.
>
> http://www.yccc.org/Articles/N6BV/N6BV%20Boxboro%202004.pdf. This one gave
> more details about using "contours" in MicroDEM to correlate the DEM and NED
> databases with on-ground reality. This was given at the New England Division
> Convention in Boxboro and it was an incremental improvement on the Dayton
> talk, given earlier.

73, Pete N4ZR
The World HF Contest Station Database
was updated 12 January 2005
2868 contest stations at
www.pvrc.org/WCSD/WCSDsearch.htm  

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