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Since GPS technology which is intensively used in surveying application today, can not directly be employed to measure some details such as building boundaries, it is still a necessity to establish control points on the ground and coordinate them by GPS and then measure the details by a total station set up on these control points. Establishment of control(More)
GPS Virtual Station technique fundamentally depends on determination of a virtual point by GPS that is just about 1,5 meters above the ground or a platform surface and then to the use of it by other surveying and/or photogrammetric instruments such as a total station and/or a camera. Thus, the technique offers a challenge in terrestrial photogrammetry to(More)
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