FIELD: ensuring uniformity of measurements.
SUBSTANCE: feature of the disclosed method of transmitting a unit of a flat angle to high-precision geodetic goniometric instruments (GGI) is that verified GGI measures control horizontal and vertical flat angles from measuring surface of face of regular polyhedral prism, installed in front of it, to image of telescope cross web, formed on the surface of two equidistant flat mirrors, in the horizontal or vertical plane, located between the GGI being calibrated and the regular polyhedral prism.
EFFECT: provision of error of flat angle unit transmission by high-precision GGI in horizontal and vertical planes due to use of regular polyhedral prism and system of flat mirrors as flat angle standard.
1 cl, 4 dwg
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