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What is Surveying?
2020/5/25
Surveying, a means of making relatively large-scale, accurate measurements of the Earth’s surfaces. It includes the determination of the measurement data, th......
Electronic Distance Measurement (EDM) Instruments--2
2020/5/23
Infrared Wave Instruments
These instrument measure distances by using amplitude modulated infrared waves. At the end of line, prisms mounted on target ar......
Electronic Distance Measurement (EDM) Instruments--1
2020/5/22
Direct measurement of distances and their directions can be obtained by using electronic instruments that rely on propagation, reflection and reception of ei......
Modern surveying instruments in land surveying
2020/5/21
Modern surveying instruments provide faster and precise surveying than conventional instruments. They are gradually replacing old surveying instruments such ......
Conventional surveying instruments and accessory
2020/5/20
In conventional surveying, chain and tape are used for making linear measurements while compass and......