28 May 25
19 Jan 22
15 Oct 15
A good celestial navigation reference
20 Sep 11
06 Dec 07
09 Nov 07
26 Aug 06
18 Nov 05
14 Nov 05
“GPS can automate and speed GIS data processing at a lower cost compared with other methods. Several studies have shown GPS data gathering can reduce GIS data collection costs by 50% or more.”
09 Nov 05
some decent Powerpoint presentations and handouts
05 Nov 05
04 Nov 05
28 Oct 05
“GPS points for all the structures in the five municipalities have been collected. Structures include houses, businesses, fire hydrants, water towers, overhead power lines or anything that could be used as a reference point.”