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| HRT2043 | GNSS Measurements | 2+1+0 | ECTS:4 | | Year / Semester | Fall Semester | | Level of Course | First Cycle | | Status | Compulsory | | Department | DEPARTMENT of GEOMATICS ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | Face to face | | Contact Hours | 14 weeks - 2 hours of lectures and 1 hour of practicals per week | | Lecturer | Prof. Dr. Mualla YALÇINKAYA | | Co-Lecturer | None | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | The main goals of this course are to give the idea of the positioning from space and theory and application of the GPS in detail. |
| Learning Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | LO - 1 : | sound understanding about point positioning methods and coordinate systems in satellite geodesy so that they can compare various methods to figure out their pros and cons. | 1.2 | 1, | | LO - 2 : | comprehend signal structures of GPS satellites, and learn the principles of code and phase measurement techniques. | 1.2 | 1, | | LO - 3 : | learn error sources in GPS measurements and they will be able to know how to eliminate these errors when encountered in GPS surveying projects. | 1.2 | 1, | | LO - 4 : | learn different absolute and relative GPS point positioning methods (static, kinematic, stop and go, real time kinematic, etc), and they will be able to use GPS receivers to determine the coordinates of control points using above mentioned methods | 1.2 | 1, | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), LO : Learning Outcome | | |
| Positioning theory and methods in satellite geodesy: TRANSIT, SLR, VLBI, Galileo, GLONASS, and GPS. Signal structure of the GPS, GPS observations: code and carrier phase measurements. Errors and biases at GPS measurements. Differencing techniques. Mathematical models used in evaluation of the GPS observations. Positioning methods in GPS: Static, kinematic, and Real Time Kinematik (RTK) methods. GPS observations in the field and processing of the measurements. |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Definitions and application areas of the satellite geodesy, Theory of positioning from space | | | Week 2 | Positioning Systems in satellite geodesy, Transit, SLR, LLR | | | Week 3 | VLBI, GLONASS, GALILEO | | | Week 4 | Coordinate Systems Used in Satellite Geodesy, Satellite Positioning | | | Week 5 | GPS, Signal structure, GPS observations | | | Week 6 | Code and Phase observations | | | Week 7 | Phase observations (continued) | | | Week 8 | Combination of the GPS observations, Single, double and triple differences | | | Week 9 | Mid-term exam | | | Week 10 | Error sources in GPS, Elimination of the errors | | | Week 11 | Field measurements, Evaluation of the GPS measurements | | | Week 12 | Absolute and relative point positioning. Mathematical models | | | Week 13 | GPS field planning, Point positioning methods in GPS, Static and Kinematic methods | | | Week 14 | Field application and evaluation of the methods | | | Week 15 | Field application and evaluation of the methods | | | Week 16 | Final exam | | | |
| 1 | Eren K., Uzel, T., GPS Ölçmeleri, Y.T.Ü. İnşaat Fakültesi, Jeodezi ve Fotogrametri Müh. Böl. , Yayın no: 301, İstanbul, 1995. | | | 2 | Seeber, G., Satellite Geodesy: foundations, methods, and applications, Berlim; New York: de Gruyter, 1993. | | | 3 | Wells, D.E. et al., Guide to GPS Positioning, Second edition, Canadian GPS Associates, Fredericton, New Brunswick, Canada, 1987. | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | | 1.5 | 30 | | Homework/Assignment/Term-paper | 14 | | 5 | 20 | | End-of-term exam | 16 | | 1.5 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 12 | 36 | | Sınıf dışı çalışma | 2 | 12 | 24 | | Arasınav için hazırlık | 10 | 1 | 10 | | Arasınav | 1.5 | 1 | 1.5 | | Ödev | 5 | 3 | 15 | | Dönem sonu sınavı için hazırlık | 12 | 1 | 12 | | Dönem sonu sınavı | 1.5 | 1 | 1.5 | | Total work load | | | 100 |
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