Chisapi, Jonathan, and  Charles S Lubobya. “Design and Development of a VHF Telemetry Two-Way Radio Device Network Downtime Uptime Alerting Prototype”. American Journal of Computing and Engineering 5, no. 1 (March 28, 2022): 36–57. Accessed July 3, 2024. https://ajpojournals.org/journals/index.php/AJCE/article/view/968.