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All Journal JTEV (Jurnal Teknik Elektro dan Vokasional Jurnal Informatika dan Teknik Elektro Terapan InComTech: Jurnal Telekomunikasi dan Komputer Jurnal Penelitian RESISTOR (Elektronika Kendali Telekomunikasi Tenaga Listrik Komputer) TELKA - Telekomunikasi, Elektronika, Komputasi dan Kontrol Jurnal Review Pendidikan dan Pengajaran (JRPP) Aviation Electronics, Information Technology, Telecommunications, Electricals, and Controls (AVITEC) Jurnal Amplifier: Jurnal Ilmiah Bidang Teknik Elektro dan Komputer Journal of Airport Engineering Technology (JAET) Jurnal Pengabdian Kepada Masyarakat (JPKM) Langit Biru Emitor: Jurnal Teknik Elektro
Wildan, Muh
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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 Languange, Linguistic, Communication & Media 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 Adimukti, Muhamad Adimukti Prasojo Afriandy, Aliyah Zahra Al Farras, Quwarazmi Golddin Andini, Anastasia Tiara Apriadi. H, Muhammad Ikhsan Arafi , Thoriq Armelya, Nadira Auliyadiqna, Alfirha Azka, Muizuddin Candra, Restu Dewantara, Mochamad Faisal Yoga Eriyandi Eriyandi, Eriyandi Ermawati, Leni Tri Hidayat, Lukman Yudand ISMAIL, KGS Johan Wahyudi, Johan Kurnianto, Benny Kurniawati, Zulina Muhammad Arif Sulaiman Novitri, Elizabeth Rindi Nuriansyah, Bagas Arib Nurmayni, Ratna Okta , I Made Okta Dwipayana Onde, Muhammad Rizki praja, Havan hakim Prasetya, Gede Arda Wedana Prasojo, Muhamad Adimukti Priyo Wibowo, Priyo Purwaningtyas, Dian Anggraini Putra, Ilham Ramadhan Dyah Kurniawan Qaiz, Nu'man Ahlur Ra'yi Rahmadani, Eldo Tri Rahmadani, Eldo Tri Rahmadani Roza, Febria Setiawan, Archie Haidar Adhitama Setiawan, Candra Eka Setiawan Simanjuntak, Tia Marshelina Toni Toni, Toni Wicaksono, Mochamad Sugeng Wisnuardana, Cokorda Dwija Yenni Arnas