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All Journal Journal of Geomatics Engineering, Technology, and Science
Radik Khairil Insanu
Program Studi Teknologi Rekayasa Geomatika dan Survei, Politeknik Pertanian Negeri Samarinda, Kota Samarinda
Aerospace Engineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science

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Perbandingan Hasil Pengolahan Data GPS Geodetik Menggunakan Aplikasi Compass Solution dan Aplikasi Trimble Business Center Dawamul Arifin; Nadira Ayu Herliana; Feri Fadlin; Radik Khairil Insanu
Journal of Geomatics Engineering, Technology, and Science Vol. 2 No. 2 (2024): March 2024
Publisher : Geomatics Technology Study Program, Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/gets.v2i2.37

Abstract

The background of this research is as an effort to determine the level of accuracy in the Compass Solution and Trimble Business Center software. So that you can find software with a better level of accuracy. The purpose of this study is to find out the results of processing static observation data using Compass Solution and Trimble Business Center software to obtain a report on the processing results in the form of point coordinate values. The methods used in measurement activities are absolute and differential methods which are then processed using Compas Solution Software and Trimble Business Center software. The results obtained in this study are the availability of the difference in coordinates X, Y and Z when processing using Compass Solution and Trimble Business Center software. The results of differential method data processing using the Trimbel Business Center application (strategy 3) are closest to the fixed BM coordinate values ​​that have been determined, namely with an average difference in the X value of 7.75 mm, Y value of 17.5 mm, and the average difference The Z value is 266.25 mm. Meanwhile, the results of absolute method data processing using the Compass Solution application (strategy 2) are closest to the fixed BM coordinate values, namely with an average difference in the X value of 1,129 mm, Y value of 229.25 mm, and an average difference in Z value is 1,131 mm.
Perhitungan Jumlah Volume Tonase Batubara di PT Ansaf Inti Resources Kutai Kartanegara Elok Aulia Noor Angelina; Ahmad Aris Mundir Sutaji; A. Arifin Itsnani SM; Radik Khairil Insanu
Journal of Geomatics Engineering, Technology, and Science Vol. 3 No. 2 (2025): March 2025
Publisher : Geomatics Technology Study Program, Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/gets.v3i2.48

Abstract

The purpose of this research is to explain the method of calculating coal volume using Gemcom Surpac 6.3 software. This research also aims to present the amount of coal tonnage in comparison to volume calculations for the period of November 2022. Calculating coal volume is crucial in determining the quantity of mineral deposits. This volume calculation is done as accurately and precisely as possible to produce accurate volume and tonnage. The method used in this research is net volume calculation (grid/borrow pit), where the excavation volume is the difference between cut and fill during a specific period. The data used in this research is secondary data. The results of this research are in the form of coal volume calculation and coal tonnage for one month of excavation in November 2022 using Gemcom Surpac software with the net volume method. From the calculation results, the coal volume is 139,309.26 tons, with each seam M being 66,116.02 tons, seam Q1 being 33,563.89 tons, and seam Q3 being 39,629.35 tons. For the density of newly excavated coal seams, it is 1.00, so it can be said that whatever the calculated coal volume using Gemcom Surpac software is the result of the tonnage itself. The result of coal volume calculation also has a standard deviation value of 1.96%. The calculation result does not exceed the standard deviation set by PT Ansaf Inti Resources, which is ≤ 3%  
Pemetaan Topografi Saluran Drainase Ruas Jalan Pangeran Diponegoro – Yos Sudarso Kota Samarinda Provinsi Kalimantan Timur Muhammad Erik Riswan; Feri Fadlin; Radik Khairil Insanu; Muh. Akshar
Journal of Geomatics Engineering, Technology, and Science Vol. 3 No. 2 (2025): March 2025
Publisher : Geomatics Technology Study Program, Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/gets.v3i2.49

Abstract

This research is motivated by the frequent occurrence of waterlogging or flooding at the research location due to insufficient drainage capacity to accommodate the large volume of water. Therefore, topographic mapping of the drainage channels is conducted, with the data intended for planning the installation of pumps and normalization of the drainage channels. This study aims to describe the situational topography and present longitudinal and cross-sectional profile maps, as well as drainage volume information using AutoCAD Civil 3D 2022 and ArcMap 10.8. The topographic mapping of the drainage channels resulted in topographic maps, longitudinal profile (Long Section) maps, and cross-sectional profile (Cross Section) maps with a total of 202 coordinate points, an overall road length of 664 meters, 28 stations, divided into 25 meters for each station section, and a total drainage volume of 2104.17 cubic meters along Pangeran Diponegoro – Yos Sudarso road. Additionally, the presentation of the drainage channel slope was included. This research was conducted on Jalan Pangeran Diponegoro – Yos Sudarso in Samarinda City. The measurements in this study utilized the ComNav T300 Geodetic GPS using the Real-Time Kinematic (RTK) method.
Pemetaan Tingkat Kerawanan Longsor Berbasis Sistem Informasi Geografis (SIG) di Wilayah Kota Bandung Provinsi Jawa Barat Yuannita Yuannita; Dawamul Arifin; Nia Kurniadin; Radik Khairil Insanu
Journal of Geomatics Engineering, Technology, and Science Vol. 4 No. 1 (2025): September 2025
Publisher : Geomatics Technology Study Program, Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/gets.v4i1.64

Abstract

Landslides are one of the most frequent and destructive natural disasters in West Java Province, particularly in Bandung City, which is characterized by varied topography, high rainfall, and rapid land-use change. This study aims to analyze and map the spatial distribution of landslide susceptibility in Bandung City using the Weighted Overlay method based on Geographic Information Systems (GIS). Five parameters were applied in the analysis: slope, rainfall intensity, soil type, rock type, and land use. Each parameter was classified and weighted according to its influence on landslide occurrence. The analysis revealed that the landslide susceptibility levels in Bandung vary from low to very high. The largest area, covering 49.88%, falls within the moderate susceptibility class, while 36.02% of the area is categorized as high to very high susceptibility. High rainfall intensity and extensive land-use conversion in hilly regions were identified as the dominant contributing factors to landslide potential, supported by steep slopes and easily weathered geological formations. The resulting susceptibility map provides essential spatial information for local government authorities in developing sustainable land-use planning, risk mitigation strategies, and community preparedness programs. The study highlights the effectiveness of GIS-based analysis for environmental hazard assessment and emphasizes the need for high-resolution data integration in future research to improve mapping accuracy.
Pemetaan Batimetri dan Karakteristik Morfologi Dasar di Sungai Manggar Sekitar Jembatan Dua Manggar Kecamatan Balikpapan Timur Kota Balikpapan sebagai Indikasi Potensi Gerusan Lokal Muhammad Fajar Dharu Kusuma; Radik Khairil Insanu; Feri Fadlin; Nia Kurniadin
Journal of Geomatics Engineering, Technology, and Science Vol. 4 No. 2 (2026): March 2026
Publisher : Geomatics Technology Study Program, Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/gets.v4i2.66

Abstract

Manggar River is part of the Manggar Kecil watershed in Balikpapan City, covering an area of 24.07 km² and emptying into the Makassar Strait. The river is actively traversed by various types of watercraft near Jembatan Dua Manggar (Manggar Second Bridge), yet no bathymetric data have been available to support navigational safety, and no prior study has examined the riverbed morphology or potential local scour around this bridge. This study aimed to map the underwater topography of the Manggar River around Jembatan Dua Manggar through hydrographic survey, to interpret its morphological characteristics, and to identify potential scour or sedimentation zones that may affect navigational safety and infrastructure. Data collection was conducted on 8–9 March 2024, comprising bathymetric sounding using a Map Sounder at 5-second intervals, 25-hour tidal observation, and riparian topographic measurement using a Comnav T300 geodetic GPS. Survey lines were planned in cross and longitudinal patterns with 30-meter intervals. Depth data were corrected against the Mean Sea Level (MSL) value of 1.320 m derived from tidal observations. Processing yielded 1,036 depth points, ranging from a shallowest depth of -1.1616 m at the downstream section to a deepest of -15.442 m upstream, with an average correction difference of 1.15 m. River bed topography varies from gentle slopes in the downstream reach (average 2–3 m) to a scour-hole (trough) formation upstream reaching a maximum depth of 15.442 m approximately 80 m from the bridge, indicating a potential local-scour zone that warrants periodic monitoring. A bathymetric map with 1-m minor and 5-m major contour intervals was produced using AutoCAD Civil 3D and ArcGIS 10.8 software, and can serve as baseline data for future monitoring of riverbed morphology changes and local-scour evaluation around Jembatan Dua Manggar.
Co-Authors A. Arifin Itsnani SM Ahmad Aris Mundir Sutaji Dawamul Arifin Elok Aulia Noor Angelina Feri Fadlin Feri Fadlin Muh. Akshar Muhammad Erik Riswan Muhammad Fajar Dharu Kusuma Nadira Ayu Herliana Nia Kurniadin Yuannita Yuannita