First Quarter 2018 EMCOMM Exercise Announced

Radio Relay International is pleased to announce its First Quarter, 2018 EMCOMM Exercise. Traffic handlers, EMCOMM volunteers and radio amateurs in general will find this exercise interesting. It emphasizes portable field operation combined with basic message handling skills. It’s a great opportunity to demonstrate the survivable characteristics of Amateur Radio networks in a public setting. […]

December 2017 Issue of the “QNI Newsletter” Now Available

The latest issue of the “QNI Newsletter is now available at: Articles include:  “Grand Old Morse, Grand Old Party;” “The Case for Common Denominators;” “The App Mentality;” “VHF SSB for EMCOMM;” “Old Fashioned Paper and Pencil;” “It’s Your System;” “ShakeOut Section Emergency Exercise;” “A Call for Unity;” “The First Police Radio System;” “QRP for […]

RRI Training Manual TR-001 Now Available

The final draft of the RRI Training Manual, TR-001 is now available for download. This document covers topics such as; “An Introduction to Disaster Telecommunications Theory,” “RRI Manual Mode Networks,” “Introduction to the RRI Digital Traffic Network,” “Basic Radiotelephone Net Procedures,””Radiotelegraph Net Procedures,” and so forth. It is a companion to our TR-002 Basic Training […]

Resilient CW in Marginal Conditions

Submitted by Lou VK5EEE of Communicators Without Borders Resilient Communications: Morse Adaptation in Poor Propagation Conditions Cw at 12WPM can be copied down to -12dB SNR @ 2500 Hz and lower SNR with repeats and slower throughput, e.g. down to -26dB QRSS. Ref: An important skill in resilient communications is the ability to adapt […]