- MINISTRY OF INTERIOR, RIYADH

-Design criteria of Simulcast Paging System
-System theory of Installed system
-Paging Formats (Digital and Analog)
-Theory of Operation Glenayre 3000M Paging Terminal
-Theory of Operation Omega Digital Control Unit
-Theory of Operation NOKIA FM4 430 UHF Link
-Repair & Maintenance of NEC Digital Pagers

-MINISTRY OF DEFENSE & AVIATION, VARIOUS LOCATIONS

-AM Transmission theory
-Operation/Maintenance of Voice Command Control System
-Operation of Racal ICR 64 dual deck Voice Recorder
-Operation characteristics of Vaisala Met. System