Call3.zip

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

: A background script (packaged as a ZIP) that fetches the latest verified callsign data from central repositories like the QRZ Callsign Database or FCC Amateur Radio Database. Key Components : 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

: Bundle the executable script, a README.txt , and a "Last Updated" timestamp into the call3.zip file. call3.zip