Radio Center
Amateur radio and GMRS, with practical tools for listening, learning, and programming.
Amateur Radio
Solar conditions, UTC clocks, bands, and the day/night map.
Open Amateur Radio →GMRS
Channel references, presets, repeater setup, and family-radio basics.
Open GMRS →Learning Lab
Practice Morse, calculate antennas, and understand radio settings.
Open Learning Lab →Frequency Directory
Search saved repeater listings. GMRS coverage is not assumed.
Open Frequency Directory →Radio Programming
Build a shared channel plan and choose an export for your software.
Open Radio Programming →Live Receiver
Open the existing runslinux receiver in a separate tab.
Open Live Receiver →One plan, more ways to use it
Prepare channels once, then export for CHIRP, a documented BTECH app format, RT Systems field mapping, or a matching manufacturer CSV template. Keep a project backup and a printable channel sheet for your group.
Build a plan →