Where on earth are we with GPS?

Mackie, A.

Where on earth are we with GPS? - 1996 - Forestry & British Timber 25(10) October 1996, 39-41(3) .

Explains in basic terms what GPS is and how it is being used as a survey tool to establish the progression of windthrow in forest areas. Considers limitations of GPS under tree canopies.


DIFFERENTIAL GLOBAL POSITIONING SYSTEMS
FOREST MANAGEMENT
GLOBAL POSITIONING SYSTEMS
WINDTHROW