gps (3774) gnss (232) geoid (6) dfhbf (1) dfhrs (1)
The DFHRS research project of the Hochschule Karlsruhe - University of Applied Sciences (HSKA) aims at the parametric modelling and computation of height reference surfaces (HRS) from geometric and physical observation components in a hybrid adjustment approach (DFHRS). The access to the parametric HRS model is enabled by DFHRS data-bases, which allow the direct conversion of GNSS-heights h into physical standard heights H. DFHRS data-bases are used for online GNSS-heighting in DGNSS-networks (SAPOS, ASCOS
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