GEOPOTENTIAL MODELS AS A TOOL OF DENSIFYING GRAVITY FOR ORTHOMETRIC CORRECTION COMPUTATION

COMPARISON AMONG DIFFERENT TECHNIQUES OF PREDICTING GEOID UNDULATION

MODEL PARAMETERS ESTIMATION FROM RESIDUAL GRAVITY ANOMALY USING A LEAST-SQUARES INVERSION ALGORITHM

INTERPRETATION OF MULTIPLE RESIDUAL GRAVITY ANOMALIES BY SPHERICAL BODIES

Analysis of Earth’s Geopotential and its Effect on GPS Orbits

AN IMPROVED GEOIDAL MODEL FOR EGYPT

BENEFIT OF TIDAL OBSERVATIONS TO GRAVITY AND GPS NETWORKS

Fitting the Global Digital Elevation Models into the Local Height System

ESTIMATION OF ORTHOMETRIC HEIGHTS USING MODERN GPS SATELLITE-BASED POSITIONING DIFFERENT TECHNIQUES AND APPLICATIONS

The low-latitude ionosphere: modelling of ionospheric effects on relative GPS measurements