Playing with RF Propagation Maps

Ever wonder why your signal doesn’t always go where you think it will? Or why one repeater seems solid while another barely scratches through? That’s the mystery — and magic — of RF propagation. Tonight’s BARRA Tech Net dives into propagation prediction maps —...

Why P25? A Look Beyond the Buzzwords

My journey into P25 technology started back in 2015, almost by accident. At the time, DMR was the hot new thing in the amateur radio world. Clubs were building out talk groups, hams were buying inexpensive handhelds by the dozen, and the excitement was undeniable. I...

Allstarlink

AllStarLink is an open-source system that links repeaters, simplex nodes, and remote base stations over the internet using Asterisk PBX software. It allows licensed hams to connect their local RF to repeaters and hubs anywhere in the world, with full-duplex audio and...