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    I want to know the solution of a question:
    Two distance of 50 and 75 meters were measured on level ground and the staff reading with staff held vertical was 1.935,2.180,2.425 and 2.165,2.550,2.935 respectively. Calculate the tachometric constant.
    Awaiting solution.
  • #145211
    The stadia interval factor (K) and the stadia constant (C) are known as tacheometric constants. Before using a tacheometer for surveying work, it is required to determine these constants. These constants can be computed from field observation by adopting following procedure.
    D1 = K. s 1 + C --------------(i)

    D 2 = K. s 2+ C -------------(ii)

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