FIELD: measuring equipment.
SUBSTANCE: topographic survey method involves measuring angular coordinates and distance from the measurement area to the sighting bar. A measuring-indicating complex mounted on an unmanned flying vehicle and including a high range finder and a landmark for guiding the tachymeter is used as a sighting bar. Measurement of distance and angular coordinates of measurement direction from the landmark to the treated surface and measurement of angular coordinates of angular coordinates of orientation of complex and distance to it is performed synchronously with given frequency.
EFFECT: increased rate and accuracy of topographic survey, reduced cost of qualified labour and capability to conduct topographic operations in difficult-to-reach places.
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