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Call3.zip Apr 2026

: Converts diverse source data into the specific call3.txt format required by programs like N3FJP's Amateur Radio Software .

: A Python or PowerShell script that pulls data from multiple sources. call3.zip

This feature would serve as a "one-click" update tool to ensure a station's local callsign database is always current without manual downloading. : Converts diverse source data into the specific call3

: Ensures operators have the correct grid squares for distance and bearing calculations. call3.zip

: A feature that detects when the radio software is launched and checks if the local database is older than 30 days. Implementation Steps