10/14/2026
Most SAR teams know 155.160 MHz. Many radios even have it labeled “MRA.” But where did that frequency come from—and are we actually authorized to use it?
This article takes a closer look at the history, licensing, regulations, and realities surrounding 155.160 MHz and radio communications in mountain rescue.
Read more: https://mra.org/155-160-we-all-use-it-but-is-it-legal/