Bob Haselby wrote: > To reduce the error to a minimum one would use two gps units > simultaneously one at each location and with the judicious use of a cell > phone to effect simultaneity, one could minimize the total differential > error.
For good topographic conditions like yours the technique you suggest should work ok. Nevertheless... > A topographical map could also be used for alignment without > actually involving a hike to the peak. If you have a topo map that is refined enough (and has a proper scale), they you would need only the map itself and an alidade. I think. - fernando -- Fernando Cabral Padrao iX Sistemas Abertos mailto:[EMAIL PROTECTED] http://www.pix.com.br Fone Direto: +55 61 329-0206 mailto:[EMAIL PROTECTED] PABX: +55 61 329-0202 Fax: +55 61 326-3082 15º 45' 04.9" S 47º 49' 58.6" W 19º 37' 57.0" S 45º 17' 13.6" W
