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Herry Risdianto
Indo Global Mandiri University
Civil Engineering, Building, Construction & Architecture

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PENENTUAN KOORDINAT GEODETIK TITIK BM PASUT JAWA DARI DATA PENGAMATAN GPS Herry Risdianto
Jurnal Tekno Global Vol 3, No 1
Publisher : UNIVERSITAS INDO GLOBAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (440.941 KB) | DOI: 10.36982/jtg.v3i1.15

Abstract

The purpose of this research was to determine the geodetic coordinates Tidal BM points of Java. Determinationof the coordinates is done by GPS measurements at this points for 3 days. Accuracy of the data processing shownon the value of the standard deviation of latitude (φ), longitude (λ), and ellipsoid height (h). The Results of dataprocessing showed that latitude coordinates has range accuracy from 1.84 x 1.84 x 10-6 sec to 10-6 sec. Longitudecoordinates has range accuracy from 1.85 x 1.94 x 10-6 sec to 10-6 sec. While the ellipsoid height has rangeaccuracy from 9 to 12 cm. Observation point that has the highest accuracy of ellipsoid high is Sunda Kelapa, witha level of accuracy of 9.7 cm, while the observation point that has the lowest of accuracy ellipsoid high is Prigi,with a level of accuracy of 12 cm.
PEMODELAN MUKA AIR LAUT RERATA MENGGUNAKAN DATA SATELIT ALTIMETRI ENVISAT Herry Risdianto
Jurnal Tekno Global Vol 5, No 1
Publisher : UNIVERSITAS INDO GLOBAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (788.795 KB) | DOI: 10.36982/jtg.v5i1.95

Abstract

The purpose of this research was to create a model of Mean Sea Level (MSL). MSL modeling is done by determining Sea Surface Height (SSH) using Envisat altimetry satellite data with research sites in the sea south of Java. Evaluation is done by looking at the standard deviation of MLR models produced. The results showed that the standard deviation value 0 s.d. 0,999 m have the most amount of data, as many as 840 points, or about 94.49%. While the standard deviation value over 2 m have the least amount of data, as many as 18 points, or about 2.02%. While the remaining 3.49% is the standard deviation value between 1 s.d. 2 m.Keywords :MSL, SSH, Envisat.
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