Forest Service shield
United States
Department of
Agriculture

Forest Service

Technology &
Development
Program

2200 Range
2300 Recreation
2400 Timber
3400 FHP
5100 Fire
5300 Law Enforcement
5400 Lands
6700 Saftey & Health
7100 Engineering
June 2001
0171-2809-MTDC

Forest Service shield

Comparison of GPS Receivers Under a Forest Canopy After Selective Availibility Has Been Turned Off

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Visitor since July 31, 2001