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0 votes	1005 views	3 answers	In GPS, receivers are used are updated 9 years ago by Civil Engineer
0 votes	1001 views	3 answers	Which one of the following statements is correct? updated 9 years ago by Civil Engineer
0 votes	1024 views	1 answer	Which one of the following statement is incorrect regarding the electromagnetic radiation? updated 9 years ago by Civil Engineer
0 votes	1012 views	1 answer	Orbital radius of GPS satellites is approximately: updated 9 years ago by Civil Engineer
0 votes	1221 views	3 answers	Repetitive observations of the same area at equal interval of time, are useful to monitor the dynamic phenomena : updated 9 years ago by Civil Engineer
0 votes	1287 views	1 answer	The normal altitude of GPS satellite is about updated 9 years ago by Civil Engineer
0 votes	968 views	2 answers	The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called: updated 9 years ago by Civil Engineer
0 votes	1190 views	3 answers	Which one of the following statements is correct? updated 9 years ago by Civil Engineer
0 votes	1249 views	6 answers	Leaf reflactance depends primarily on updated 9 years ago by Civil Engineer
0 votes	1009 views	2 answers	A reduction of nitrogen nutrient in plants updated 9 years ago by Civil Engineer