Surveying with GNSS | 33 Surveying with GNSS (GPS & Glonass) GNSS surveys use the signals transmitted by satellites having trajectories such that any point on the Earth’s surface can be determined around the clock and independent of weather conditions. The positioning accuracy depends on the type of GNSS receiver and on the observation and processing techniques used. Compared with the use of a total station, GNSS surveying offers the advantage that the points to be measured do not have to be mutually visible. Today, provided that the sky is relatively unobstructed (by trees, buildings etc.) and therefore that adequate satellite signals can be received, GNSS equipment can be applied to many survey tasks that were traditionally carried out using electronic total stations. All Leica GNSS systems enable the most diverse range of survey tasks with user guided onboard applications to be carried out with centimeter accuracy in real-time kinematic (RTK) or post-processed – on a tripod; on a pole; on ships, vehicles, agrilcultural and construction machinery.
Surveying Made Easy
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