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[aprssig] Re: APRSpoint and other map sources

Gerry Creager N5JXS gerry.creager at tamu.edu
Fri Dec 3 04:31:30 UTC 2004


I/We need to undertake a project to reproject the TIGER/2003 files into 
CED/lat/lon unprojected shapefiles.  Most of the applications I'm 
familiar with would prefer that format for the maps...

gerry

Curt, WE7U wrote:
> 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
> space.
> 
> 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
> maps.
> 
> --
> Curt, WE7U.   APRS Client Comparisons: http://www.eskimo.com/~archer
> "Lotto:    A tax on people who are bad at math." -- unknown
> "Windows:  Microsoft's tax on computer illiterates." -- WE7U
> "The world DOES revolve around me:  I picked the coordinate system!"
> 
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-- 
Gerry Creager -- gerry.creager at tamu.edu
Texas Mesonet -- AATLT, Texas A&M University	
Cell: 979.229.5301 Office: 979.458.4020 FAX: 979.847.8578
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