Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 Novitri, Elizabeth, AND Eriyandi, Eriyandi. " Analysis of Alarm in Near Field Monitor ILS Thales 421 at AirNav Semarang Branch" Journal of Electrical, Electronics and Informatics [Online], Volume 8 Number 2 (2 January 2025)