CPAN module, an object oriented front end for the HAMQTH.com Amateur Radio Callsign free database.
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Perl module for calculation of distance and course beetwen two points of Earth (through coordinates or grid locator), and Sunrise, Sunset and Midday time for these locations (in UTC). Also calculation sexagesimal degrees and grid location. For use mainly for Radio Amateurs.
CPAN Module to get Solar and propagation data from web that's useful for Amateur Radio applications.