Let's Comm Refresher
The next course will be held from 17 June to 19 July 2024. Applications are now open. Please click here for more information.
The Let's Comm refresher course provides participants an opportunity to refresh knowledge and skills from a previously attended Let’s Comm course.
The course will be delivered in a blended format, combining different (online) delivery methods with practical assignments to be completed by participants in their own work environment.
Target Audience
The Let's Comm refresher course is targeted at humanitarian ICT staff with a telecommunications focus who need to refresh their skills in deploying VHF radio infrastructure. Participants need to already have completed a full Let’s Comm course in the past.
Number of participants: 16
Course Objective
Refresh participants’ knowledge and key skills to install, maintain, troubleshoot and administer a radio-based Security Communications System (SCS) conforming to the UN standards.
Learning objectives
During and after the course, participants will be able to:
| Program ICOM and Motorola end-user radios according to the UN SCS VHF/UHF standards, using standard codeplugs. |
| Assign callsigns and SelV IDs to users based on the standard UN Callsign Allocation Sheet. |
| Manage a VHF / UHF radio network as a radio network controller. |
| Support end-users to access services on the radio network. |
| Install, maintain and troubleshoot VHF / UHF repeater systems, including programming, duplexer tuning and testing according to the UN SCS VHF / UHF standards, using standard codeplugs. ** |
| Install, maintain and troubleshoot VHF / UHF base radio systems, including programming and testing according to the UN SCS VHF / UHF standards, using standard codeplugs. ** |
| Maintain and troubleshoot VHF / UHF mobile radio systems, including programming and testing, according to the UN SCS VHF / UHF standards, using standard codeplugs. ** |
| Perform a technical assessment of VHF / UHF repeater and base radio system sites based on a standard assessment checklist. ** |
** Note: these learning outcomes are depending on the prior learning and experience of the participant.
Topics covered*
| The UN SCS VHF / UHF standards |
| Standard radio procedures and the UN Callsign Allocation Sheet |
| Basic RF theory (VHF) and radio network architecture |
| Standard VHF radio equipment (ICOM and Motorola) |
| Programming end-user radios and repeater systems |
| Technical skills - connectors, measuring RF power / SWR, duplexer tuning |
| Site assessments for VHF base and repeater installations |
| Physical installation and maintenance of VHF base, mobile and repeater systems |
| Troubleshooting VHF radio installations |
| End-user support and a service mindset |
* Note, this course is a refresher and prior knowledge and experience of the topics covered is a pre-requisite to attend. These topics will not be covered in-depth during this course.
Format and Language
This will be a blended learning programme with a mix of self-paced e-modules, virtual classroom sessions, practical assignments. The course and all materials will be delivered in English.