Instruments

Set Up a Total Station to Measure

Set Up a Total Station to Measure This is a step-by-step guide on how to set up your total station or theodolite over a point and accurately level it.  Following this procedure is the quickest

Surveying

Methods of Levelling

Methods of Levelling The following methods are used to determine the difference in elevation of various points: Barometric levelling Hypsometric levelling Direct levelling and Indirect levelling. Barometric Levelling This method depends on the principle that

Surveying

Factors affecting the Measuring Procedure

Factors affecting the measuring procedure Every operation in a measurement procedure is a possible error source and as such requires careful consideration in order to assess the effect on the final result. (1) Pointing and