P25 2M Repeater
A VHF P25 Phase 1 repeater project built around a M/A-COM MASTR III, GPS-disciplined frequency reference, cavity filtering, and a dedicated 2 meter antenna system.
Amateur Radio Station
KI7TRR
A living notebook for KI7TRR digital radio projects, RF engineering experiments, and lab measurements.
Workbench
Current projects
P25 digital radio work, RF measurements, and lab projects in progress.