Vol. 8 No. 3 (2023): SPEKTRA: Jurnal Fisika dan Aplikasinya, Volume 8 Issue 3, December 2023

SPEKTRA Volume 8 issue 3 contains five papers: 1) Aircraft Traffic Noise Analysis at Kualanamu International Airport Medan, 2) Development of DC-DC Buck Converter for Solar Panel Energy Storage Through Load Optimization and Feedback Circuit, 3) Rice Sample Vaporiation Method on Meter Testing Resistive Water Content Based on Ultrasonic Mist, 4) Synthesis and Characterization Analysis of Fe₃O₄/SiO₂ Core Shell, and 5) Implementation of Gabella Method and Random Forest for Ground Clutter Detection in Padang Weather Radar Data.

The articles in this issue from 3 countries: Indonesia, Norway and Malaysia. We are grateful for all the contributions of the authors. We also appreciate the professional reviewers who are an essential part of this issue.