On 12/13/2012 02:53 PM, Tom Hayward wrote: > On Wed, Dec 12, 2012 at 7:05 PM, David A Aitcheson > <[email protected]> wrote: >> Tom, >> >> VERIFY, VERIFY, VERIFY. >> >> I looked at the CalTopo maps for my area (FN24BI) and they are all at >> least FIFTY (50) PLUS years out of date. >> >> Street/Road names being way off and total lack of some development is >> very noticeable. >> >> 73 >> Dave >> KB3EFS > There are a few things to remember here: CalTopo has created many tile > sets. Some examples are: historic USGS data, recent USGS topo, recent > USGS aerial, and visitor maps. Caltopo.com also allows viewing tile > sets from other sources like OSM and Google. > > When I use a USGS topo map in Xastir, I almost always overlay an OSM > vector map. I agree that it is often not useful to read roads off topo > maps. > > Tom KD7LXL > > In that case I'll stick with what I know is at least 99% correct and pass on the CalTopo maps.
Dave KB3EFS -- David A Aitcheson [email protected] Go Green! Print this email only when necessary. _______________________________________________ Xastir mailing list [email protected] http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir
