Maptitude - http://research.umbc.edu/~roswell/maptitude.html
Richard,
I have used a Satlock back pack unit R.A.M. or its predecessor and got
close to 1 meter accuracy.
It took less than 30 minutes to read instructions in both Satlock's and Mapt.
and begin getting data.
I like it because it was light, there was a serial cable to hook directly to
laptop,
and it produce the data in NMEA string that Mapt. uses.
http://www.satloc.com/site_Products4_RAMBackpack.htm
Of course, I don't know about buying several. They were about $7,000 a couple
years ago.
Hope this is helpful.
Carl L. Chance
GIS Manager
City of Lake Charles
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