(P-ISSN 1693-4989 E-ISSN 2745-5688) is an open access engineering journal that publish all research article/review/short communication related to progres of electrical engineering and information researchs. Focus of EPSILON are electrical engineering and information technology. Scope of EPSILON are Power Engineering, Telecommunication & Information engineering, and Control & Instrument Engineering. EPSILON is published by Departement of Electrical Engineering Universitas Jenderal Achmad Yani.

The seven selected articles published in EPSILON: Journal of Electrical Engineering and Information Technology, Volume 23, Number 2 (2025), contain 34 author entries across seven research papers. The number of authors per article ranges from three to seven, reflecting different levels of collaboration in applied engineering research.

Based on the affiliation information available on the journal's article pages, the institutional and provincial distribution can be summarized as follows:

• Sistem Monitoring Ruang Kosong pada Area Parkir Menggunakan Teknologi Internet of Things has seven authors affiliated with Politeknik Manufaktur Negeri Bangka Belitung, located in the Bangka Belitung Islands Province.

• Sistem Lacak GPS Dengan Kontrol Menggunakan Handphone Berbasis IoT lists six authors, with the institutional affiliation shown for the first author being Politeknik Manufaktur Negeri Bangka Belitung, in the Bangka Belitung Islands Province. The affiliations of the remaining authors require further verification.

• Sensor and Partial Discharge Calibration for Diagnosis and Condition Monitoring of High Voltage Equipment: A Critical Analysis has three authors affiliated with Universitas Ekasakti and Universitas Jenderal Achmad Yani. These institutions are located in West Sumatra and West Java, respectively.

• Optimasi Jaringan 4G LTE Menggunakan Metode Coverage Planning dengan Frekuensi 1800 MHz di Kecamatan Cibitung has three authors affiliated with Universitas Jenderal Achmad Yani, located in West Java.

• Analisis Parameter QoS (Quality of Service) pada Jaringan WiFi di Gedung Fakultas Teknik Universitas Jenderal Achmad Yani dengan Menggunakan Wireshark has six authors affiliated with Universitas Jenderal Achmad Yani, located in West Java.

• Rancang Bangun Sistem Kendali Presisi Suhu dan Kelembapan pada Mesin Penyangrai Kopi Menggunakan Sensor SHT-31 has five authors affiliated with Universitas Bengkulu, located in Bengkulu Province.

• Analisis Efisiensi Sistem SCADA dalam Monitoring dan Data Logging pada Plant Water for Injection (WFI) di Large Volume Parenteral (LVP) PT. Sanbe Farma has three authors affiliated with Universitas Jenderal Achmad Yani and PT Sanbe Farma. Both institutions are located in West Java.

Overall, the available affiliation data indicate research contributions from at least four provinces: the Bangka Belitung Islands, West Sumatra, West Java, and Bengkulu. West Java is represented by several articles involving Universitas Jenderal Achmad Yani and PT Sanbe Farma, while the other provinces contribute through their respective higher education institutions.