"john smith" wrote in message
...
In article ,
(Ron Lee) wrote:

Scott Moore wrote:

wrote On 12/08/05 16:00,:


Because terrain changes very slowly, I suspect these three terrain
files
would be good enough for a very, very long time.

And then, they build that nice new 2,000 ft radio tower....


This brings up an interesting idea of putting an electronic beacon on new
structures for the first year or so until all terrain data bases get
updated.