Publication
COMPARATIVE ANALYSIS OF LOCAL QUASI-GEOID MODELS APPLICATION IN BULGARIA THROUGH DIRECT GNSS AND LEVELLING MEASUREMENTS
(STEF92 Technology, 2026, Elena Peneva, Yuri Tsanovski, Georgi Mihaylov)
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This paper is focused on the verification of two quasi-geoid models for the territory of Bulgaria (the model integrated into the Geodesy, Cartography and Cadastre Agency (GCCA) official product for the transformation of geodetic data and a model derived using the GNSS/levelling method) through direct geodetic measurements. The study was developed in the framework of the current 5th cycle of the 1st Order National Levelling Network (NLN), conducted in accordance with the requirements of the new 2021 Instruction [1]...
Geodesy and Mine Surveying2026