[time-nuts] Averaging Location for Position Hold

[gary]

http://www.ngs.noaa.gov/cgi-bin/ds_radius.prl
is what I use. Best to check them out on google maps or earth to see 
what you are getting into. Some have a summary of how to get to the marker.

I use one in a road, but it is a dead end. If it says satellite 
viewable, it will be a large X.
n37 48 59.93490   W122 02 58.55228



On 9/13/2011 11:09 PM, Don Latham wrote:
> Any  local surveyor or civil engineering firm will know where the
> benchmarks are.
> Also see:
> http://www.ngs.noaa.gov/cgi-bin/datasheet.prl
> Don