Ä = instrument set up,   TP = turning point,  HI = elevation of line of sight

Q: The following data were obtained by stadia observation: zenith angle = 81° 50', s = 2.50 ft. The…

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Q: Aerial photography is to be taken of a tract of land that is X-mi square. Flying height will be H ft…

A: The dimension of the tract of land = 9 mi×9 mi The flying height, H = 4100 ft  The focal length, f =…

Q: S = 1 : 18,000; f = 152.40 mm Express your answer in feet to three significant figures. H = Submit…

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Q: Problem 2: The difference in elevation between observed points A and B is 25m and the horizontal…

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Q: Surveying Explain nouns: (a) collimation height or instrument height (b) turning point

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Q: The scale of the photograph is 10cm = 100m. The photograph size is 23 cm x 23 cm determine the…

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Q: Explaining nouns: (a) elevation difference (b) mid-sight (c) standard point

A: Surveying is generally the activities that involved in the planning and execution of surveys for the…

Q: Briefly describe how a GPS receiver determines its location.

A: GPS means Global positioning system

Q: Given the following information Course AB BC CD DE EA Azimuth N 60°00' W 300°00' S 40° 38' W 220°…

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Q: The following Table shows the field measurements of four angles of traverse. Using the table-…

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Instruments for Surveying

Surveying is the practice that determines the relative three-dimensional positions of many different points on the earth’s surface. There are various instruments used in Surveying like Theodolites, Total station, Tripod stands, Plane table, etc. for measuring horizontal angle, vertical and sloping angle, which are very useful for giving accurate and precise measurement.