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All Journal Majalah Geografi Indonesia JURNAL ILMIAH GEOMATIKA Communications in Science and Technology JGISE-Journal of Geospatial Information Science and Engineering Refleksi Hukum: Jurnal Ilmu Hukum
Atunggal, Dedi
Universitas Gadjah Mada
Earth & Planetary Sciences Engineering Law, Crime, Criminology & Criminal Justice Mathematics

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Journal : Communications in Science and Technology

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Evaluation on the performance of single and dual frequency low cost GPS module observation using geodetic antenna Atunggal, Dedi; Ma'ruf, Bilal; Sunantyo, T Aris; Rokhmana, Catur Aries
Communications in Science and Technology Vol 3 No 1 (2018)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (429.436 KB) | DOI: 10.21924/cst.3.1.2018.78

Abstract

GPS modules have been used for various applications in recent years. Its early development came in parallel with the advancement of Unmanned Aerial Vehicle (UAV) technology. Nowadays, it is also used in in geographic information system (GIS) data acquisition/census, mapping surveys, structure stability monitoring systems and many other applications. GPS modules generally have several positioning features, including standard positioning service (SPS), static positioning, precise point positioning (PPP), post processing kinematic (PPK) and real time kinematic (RTK) GPS. GPS modules in general are only equipped with a microstrip-type antenna or better known as patch antenna. Results from related research show that GPS module with this type of antenna has sub meter accuracy when used for PPK or RTK GPS method. The use of geodetic antennas is very potential to increase GPS position accuracy by up to centimeter level. This paper discusses the evaluation of GPS module measurements with geodetic type antennas for precise positioning using RTK GPS. This paper is focused on the resolution of GPS cycle ambiguity that is often expressed by the term fixing ratio and the accuracy of measurement results obtained. To provide a comprehensive description of the performance of GPS module, in this research two types of GPS module were used; single and dual frequency. Both types of GPS modules were used to conduct simultaneous observation on an open and obstructed observation location.
Evaluating 3-D positioning infrastructure quality and utilization: The potential improvement with multi-GNSS methods Atunggal, Dedi; Widjajanti, Nurrohmat; Aditya, Trias
Communications in Science and Technology Vol 9 No 1 (2024)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.9.1.2024.1403

Abstract

This article evaluates the quality of the national 3-D positioning infrastructure using multi-criteria decision making (MCDM) to simulate the potential application of multi-GNSS method. The MCDM evaluation used coverage and availability of Indonesia Continuous Operating Reference System (INACORS) services, distribution of survey pillars, and accuracy of height determination using the Indonesian Geoid Model (INAGEOID). The term multi-GNSS method refers to the utilization of PPP method as a complement to the conventional differential GNSS method for the production of mapping control points. The results of this evaluation were complemented by a questionnaire analysis on the utilization of positioning infrastructure by respondents from various professional backgrounds. The MCDM evaluation results showed that Java had nearly 100% good or excellent 3-D positioning infrastructure quality. Other regions in Indonesia still had significant areas of average, fair, or even poor quality. The questionnaire results showed that many users have faced some problems in areas with fair or poor infrastructure quality. The application of multi-GNSS method can contribute to reduce up to half of the area with fair and poor positioning infrastructure quality.
Co-Authors Bambang Kun Cahyono Bilal Ma'ruf Catur Aries Rokhmana, Catur Aries Diyono, Diyono Diyono, Diyono Dyah Ayu Widowati Ghea Ayunda Siami Laksita Amelia Paramesti Laksono, Dany M. Fakhruddin Mustofa Ma'ruf, Bilal Mustofa, Fakhruddin Nerissa Mutiara Christy Ni Putu Praja Chintya Novie Chiuman Nurrohmat Widjajanti Pratiwi, Imasti Dhani Sumaryono Sumaryono Sunantyo, T Aris Suprajaka Siswosudarma Sutanta, Heri Sutanta, Heri Trias Aditya, Trias