[aprssig] Re: APRSpoint and other map sources

Curt, WE7U archer at eskimo.com
Thu Dec 2 16:51:35 EST 2004

On Thu, 2 Dec 2004, Jason Winningham wrote:

> On Dec 2, 2004, at 3:40 PM, Curt, WE7U wrote:
> > What I'd like to see is a repository for the SDTS contour files,
> > downloaded off the USGS site onto some other server.  Same for any
> > USGS geoTIFF topo images.
> Any idea how much disk space we're talking about?

A lot.  For the USGS geoTIFF topo maps, there are around 30 CD's,
which cover the 7.5', 1:100k, and 1:250k, with a few others
sprinkled in here and there.  That's a lot of space, and that's just
for WA.  Most of the CD's aren't full, but it's still a lot of

I'm not sure about the SDTS contour files.  Haven't looked at the
files themselves in a while.  They should be quite a bit smaller.

We already have the Tiger 2003 files, converted to Shapefiles,
available on a server for APRS use.  Same for the Canadian topo

Curt, WE7U.   APRS Client Comparisons: http://www.eskimo.com/~archer
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