The basic structure of the computers. Software; operating systems and application programs. GNU Fortran, C/C++, Octave. Structure of a program, variables, data types, constants, operators. Basic input/output, input/output with files. Conditional structures, iteration structures (loops). Jump statements and selective structure. Subroutines. Preprocessors. Standard libraries and their usage. GNU drawing software (GnuPlot, Octave, GeoGebra, GMT, … ). Visualizing the results. Combining and usage of the scientific software.
Subject of Satellite Geodesy. Coordinate and time systems used in satellite geodesy. Fundamentals of Celestial Mechanics. Orbit geometry and orbital motion. Perturbed satellite motions. Orbit determination. Orbit representation. Parameter estimation problems and observation types. Optical methods for the determination of directions. Doppler techniques. GNSS = GPS + GLONASS + Galileo + COMPASS+... . GNSS observable and data processing. Laser ranging systems and components. Satellite altimeter. Gravity field missions. Related Space Techniques.
Brief history of the component (GPS+GLONAS+Galileo+COMPASS+…) of GNSS (Global Navigation Satellite Systems), coordinate and time systems in GNSS, error sources in GNSS, GNSS observables, RINEX (Receiver Independent Exchange Format), determination of the satellite coordinates, absolute positioning, relative positioning, integer ambiguity resolution and validation, adjustment of GNSS networks, testing the results acquired from GNSS, transforming the GNSS results to National Datum, GNSS leveling.