Gps
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Data collection using GPS
Transcript of Gps
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( Global Positioning System) . (GPS) 1978 33 . 24 11 .
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. 1980 . .
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24 . / 2000 (907 ) () 5.5 . 50 . 10 .
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( ) . ( ) .
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GPS .... .
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GPS:GPS : . . .. . .
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. ( ). ( ). .
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