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: http://www.pa3fwm.nl/technotes/tn09b.html An important skill in resilient communications is the ability to adapt […]