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All Journal International Journal of Electrical and Computer Engineering JTEV (Jurnal Teknik Elektro dan Vokasional Jurnal Simetris ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika JURNAL NASIONAL TEKNIK ELEKTRO InComTech: Jurnal Telekomunikasi dan Komputer Rekayasa Teknologi JITMI (Jurnal Ilmiah Teknik dan Manajemen Industri) Jurnal Review Pendidikan dan Pengajaran (JRPP) Aviation Electronics, Information Technology, Telecommunications, Electricals, and Controls (AVITEC) Abdi Laksana : Jurnal Pengabdian Kepada Masyarakat Jurnal Teknik Industri Terintegrasi (JUTIN) LEARNING : Jurnal Inovasi Penelitian Pendidikan dan Pembelajaran SOCIAL : Jurnal Inovasi Pendidikan IPS Jurnal Teknik Informatika dan Elektro (JURTIE) Emitor: Jurnal Teknik Elektro Aviation Science and Technology Journal
Priyo Wibowo, Priyo
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Aerospace Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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Anomalous Investigation of ILS Glide Path Signals on Runway 24 at the Jakarta Air Traffic Service Center Wildan, Muh; Wibowo, Priyo; Wicaksono, Mochamad Sugeng; Sulaiman, Muhammad Arif; Rahmadani, Eldo Tri; Prasojo, Muhamad Adimukti
Aviation Electronics, Information Technology, Telecommunications, Electricals, and Controls (AVITEC) Vol 7, No 1 (2025): February
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/avitec.v7i1.2847

Abstract

Precision landing guidance is critical for aircraft safety, yet recurring signal anomalies in the ILS Glide Path on runway 24 at the Jakarta Air Traffic Service Center raise concerns about approach and landing reliability. Despite compliance with standard regulations, persistent signal anomalies affecting glide slope accuracy raise concerns about safe aircraft approach. This study investigates the sources of distortion, quantifies their impact on ILS Glide Path performance, and proposes mitigation strategies. Spectrum analysis, environmental assessments, and signal evaluation through oscilloscopes and navigation analyzers were employs to identify and quantify sources of distortion. Results indicate that while composite audio signals comply with standards, navigation analyzer readings reveal persistent deviations in Difference in Depth of Modulation (DDM) due to harmonic distortions at 30 Hz and its multiples up to 450 Hz. These distortions could interfere with DDM values received by calibration aircraft, making conventional technical adjustments, such as power level settings and antenna reconfigurations, insufficient for complete resolution. Instead, alternative mitigation approaches including reducing environmental reflections, optimizing siting criteria, and refining regulatory compliance measures are recommended. These findings provide valuable insights for enhancing ILS Glide Path reliability, refining signal mitigation strategies, and ensuring regulatory compliance for safer aviation navigation systems.
Co-Authors Adhistian, Patria Al Farras, Quwarazmi Golddin Apriadi. H, Muhammad Ikhsan Arjadi, R. Harry Arko Djajadi Aulia Nazala Ramadhani, Aulia Nazala Badriah, Liah Dwi Mandaris Eriyandi Eriyandi, Eriyandi Fayakun, Kun Gadriaman, Gadriaman Gunarwan Prayitno Handoyo, Agus F Handoyo Harjadi, R. Harry Hernawati, Diana Jayusman, Iyus Lestariningsih, Dwi Wahyu Muh Wildan Muhamad Adimukti Prasojo Muhammad Arif Sulaiman Nugraha Nugraha Nurmayni, Ratna Permana, Agus Mulya Prabowo, Yanuar Pramudika, Bella Prananto, Haryo Dwi Prasojo, Muhamad Adimukti Prayoga Bakti Purnomo Sidi Priambodo Putri, Dyah Puspitasari Sunaryo Rahmadani, Eldo Tri Ramadhan, Rivan Adryan Rusmalah, Rusmalah Setiawan, Candra Eka Setiawan Setyadewi, Imas Tri Sudewo Sumantri, Agus Supono, Ihsan Wicaksono, Mochamad Sugeng Wijanarko, Tyas Ari Wahyu Wildan, Muh Wuwus Ardiatna Zulziar, Marjuki