ANALISIS PENGGUNAAN DATUM SRGI2013 EPOCH 2021 UNTUK PENENTUAN POSISI DENGAN MENGGUNAKAN SATELIT GNSS

• Main Author: Aditya Arnol, Rico
• Format: Final Project
• Language: Indonesia
• Subjects: Teknik (Rekayasa, enjinering dan kegiatan berkaitan)
• Online Access: https://digilib.itb.ac.id/gdl/view/65923
• Institution: Institut Teknologi Bandung

The 2013 Indonesian Geospatial Reference System (SRGI2013) is the single reference system for mapping in Indonesia. One form of realization of this geospatial reference is expressed in the form of the National Geodetic Control Network (JKGN) which has an initial coordinate value defined at epoch 2012.0 dated January 1, 2012 which is tied to the ITRF 2008 global reference frame, and updated again on January 1, 2021 with epoch 2021.0 which is tied to the ITRF 2014 global reference frame. This final project aims to determine the difference in position between SRGI2013 epoch 2012.0 and SRGI2013 epoch 2021. This final project also discusses the use of several methods to transform the coordinates of SRGI2013 epoch 2012.0 to SRGI2013 epoch 2021.0, and the use of the Real Time - Precise Point Positioning (RT-PPP) method as an alternative positioning approach that is close to the SRGI2013 epoch 2021.0. The methodology used in this final project is research planning, literature study, data collection, data presentation, analysis, and then concludes what this research has done. From the results of this study, it was found that updating the epoch for the SRGI2013 datum is indeed necessary with the residual between the two epochs reaching 0.253 m for the easting component, -0.085 m for the northing subcomponent, and ?4????10?5 m for the height component. As well as the method of determining the coordinates of SRGI2013 epoch 2021.0 which is transformed from the set of coordinates of SRGI2013 epoch 2012.0 the most suitable for GNSS observation data at BM ITB Jatinangor Campus is to use the Molodensky-Badekas transformation parameter with a standard deviation of less than 1 mm. Keywords: Static, RT-PPP, epoch, deformation, transformation.