?url_ver=Z39.88-2004&rft_id=171501300&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=KAJIAN+TINGGI+ORTHOMETRIK+PENGUKURAN+RTK+NTRIP-+LEVELLING+HASIL+REDUKSI+UNDULASI+GEOID+GLOBAL+DAN+SRGI++&rft.creator=GIOVANI+%2C+FINDAL+PHALOSA&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=%0D%0ADewasa+ini+metode+pengukuran+RTK-NTRIP+semakin+sering+digunakan+dalam+berbagai+pengukuran%2C+seperti+pengukuran+topografi%2C+pengukuran+situasi+atau+detail+serta+lain+sebagainya.+Metode+RTK-NTRIP+tersebut+memberikan+kemudahan+dalam+mendapatkan+nilai+koordinat+secara+langsung.+Namun+tinggi+yang+dihasilkan+pengukuran+RTK-NTRIP+ini+masih+merujuk+ke+tinggi+elipsoid+belum+merujuk+ke+tinggi+orthometrik.+Oleh+karena+itu+diperlukan+proses+reduksi+dari+tinggi+elipsoid+ke+tinggi+orthometrik.+Untuk+dapat+mereduksi+tinggi+elipsoid+ke+tinggi+orthometrik+dapat+menggunakan+nilai+undulasi+yang+disediakan+secara+nasional+maupun+global+Tujuan+peneliatian+ini+adalah+mendapat+nilai+tinggi+orthometrik+pada+seluruh+titik+pengamatan+dan+mengetahui+ketelitian+vertikal+pada+kelas+dan+skala+peta+hasil+pengukuran+RTK-NTRIP%2C+sehingga+memungkinkan+bahwa+pengukuran+RTK-+NTRIP+dapat+digunakan+untuk+pengukuran+tinggi+geoid+pada+keperluan+survey+dan+pemetaan.%0D%0AMetode+yang+digunakan+adalah+metode+RTK+NTRIP-Levelling.+Dengan+menggunakan+data+lintang+bujur+hasil+pengukuran+RTK-NTRIP+maka+dapat+dihasilkan+nilai+undulasi+dan+tinggi+orthometrik+SRGI+dan+EGM+2008+Perhitungan+sipat+datar+berupa+nilai+beda+tinggi+sebagai+data+pembanding+yang+dianggap+benar+untuk+mendapat+nilai+ketelitian+atau+RMSE.%0D%0ABerdasarkan+analisis+akurasi+data+pengukuran+didapat+bahwa+masing-+masing+selisih+beda+tinggi+orthometrik+SRGI+dan+EGM+dikurang+dengan+beda+tinggi+levelling+yang+dianggap+benar+menghasilkan+nilai+ketelitian+atau+RMSE+sebesar%0D%0A0%2C085234883+pada+%E2%88%86H+SRGI-WP+dan+0%2C079914692+pada+%E2%88%86H+EGM-WP.+Sehingga+untuk+mendapat+ketelitian+vertikal+dikalikan+LE90+%3D+1%2C6499%2C+maka+didapatkan+hasil%0D%0A0%2C140629033+pada+%E2%88%86H+SRGI+dan+0%2C13185125+pada+%E2%88%86H+EGM-WP+yang+mana+keduanya+masuk+kedalam+ketelitian+geometri+peta+RBI+pada+kelas+1+dengan+skala%0D%0A1%3A1000%2C+sehingga+baik+digunakan+untuk+pengukuran+tinggi+orthometrik%0D%0A%0D%0AKata+kunci+%3A+RTK-NTRIP%2C+Elipsoid%2C+Undulasi%2C+Orthometrik%2C+SRGI+dan+EGM+2008+%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AThe+RTK-NTRIP+measurement+method+is+now+more+often+used+for+various+measurements%2C+including+topographic+measurements%2C+situational+or+detailed+measurements%2C+and+others.+The+RTK-NTRIP+approach+makes+it+easy+to+get+coordinate+values+instantly.+This+RTK-NTRIP+measurement+height%2C+however%2C+still+corresponds+to+the+ellipsoid+height+and+not+the+orthometric+height.+As+a+result%2C+a+reduction+process+from+ellipsoid+height+to+orthometric+height+is+necessary.+The+height+of+the+ellipsoid+can+be+decreased+to+the+orthometric+height+by+using+the+undulation+values+provided+globally+and+nationally.+The+purpose+of+this+research+is+to+get+high+orthometric+scores+at+all+observation+points+and+find+out+the+vertical+accuracy+of+the+class+and+scale+of+the+RTK-NTRIP+measurement+results%2C+making+it+possible+that+RTK-NTRIP+measurements+can+be+used+for+geoid+height+measurements+for+survey+and+mapping+purposes.+The+method+used+is+the+RTK+NTRIP-Levelling+method.+Longitude-latitude+data+from+RTK-NTRIP+measurements%2C+undulation+values%2C+and+orthometric+heights+from+SRGI+and+EGM%0D%0A2008+can+be+used+to+generate+flat+sipat+in+the+form+of+high+difference+values+as+comparison+data+that+is+considered+correct+to+obtain+an+accuracy+value+or+RMSE.+Based+on+the+analysis+of+the+accuracy+of+the+measurement+data%2C+it+was+found+that+each+difference+in+orthometric+height+of+SRGI+and+EGM+was+reduced+by+the+difference+in+leveling+height%2C+which+was+considered+correct%2C+resulting+in+an+accuracy+value+or+RMSE+of+0%2C085234883+in+%E2%88%86H+SRGI-WP+and+0%2C079914692+in+%E2%88%86H+EGM-+WP.++The++results++of++multiplying++vertical++accuracy++by++LE90++%3D++1%2C6499++were%0D%0A0%2C140629033+on+H+SRGI+and+0%2C13185125+on+H+EGM-WP%2C+both+of+which+are+included+in+the+accuracy+of+RBI+map+geometry+in+class+1+with+a+scale+of+1%3A1000%2C+making+them+suitable+for+use+in+orthometric+height+measurement.%0D%0A%0D%0A%0D%0A%0D%0AKeyword%3A+RTK+NTRIP%2C+Elipsoid%2C+Undulation%2C+Orthometric%2C+SRGI%2C+and+EGM+2008%0D%0A&rft.publisher=FAKULTAS+TEKNIK&rft.date=2023-03-27&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F70665%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F70665%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F70665%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++GIOVANI+%2C+FINDAL+PHALOSA++(2023)+KAJIAN+TINGGI+ORTHOMETRIK+PENGUKURAN+RTK+NTRIP-+LEVELLING+HASIL+REDUKSI+UNDULASI+GEOID+GLOBAL+DAN+SRGI.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F70665%2F