Geoscience Reference
In-Depth Information
Fig. 2.23 Schematic
diagram of SST-ll
tracking mode
Fig. 2.24 Schematic
diagram of SGG mode
Review and Study Questions
1. Briefly discuss the instruments employed and the observational quantities for
different geodetic data collection techniques.
2. Briefly explain the concepts of horizontal and vertical angles and introduce the
methods used for measuring horizontal angles.
3. Illustrate the concepts of astronomical longitude, astronomical latitude, and
astronomical azimuth.
4. Briefly describe the basic principles of and methods for electromagnetic distance
measurement (EDM).
5. Briefly discuss the methods for GPS measurements.
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