Search the comprehensive database of amateur radio operators. Find callsigns, license details, and operator information from ISED and FCC.
Calculate radio line-of-sight paths between locations. Visualize terrain profiles and determine if direct communication is possible.
View terrain elevation data from NASA's SRTM dataset. Click anywhere to see elevation at that point. Data is cached for offline use.
Log and track amateur radio net participation. Record check-ins, manage net logs, and view participation history.
Manage offline data and cached content. Download maps and databases for use when you don't have an internet connection.
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