Geo-Compass-Variation

Changes for version 1.00 - 2017-06-21

new _calc_year() function, uses localtime() to get the year and month number, normalizes the month number to an int between 1-10, returns the year.normalized_mon
updated DESC in POD to explain the WMM data release timeframes (closes #2)
re-worked the year checks for out-of-bounds WMM release/expire years (fixes #1)

Accurately calculate magnetic declination and inclination

To install Geo::Compass::Variation, copy and paste the appropriate command in to your terminal.

cpanm Geo::Compass::Variation

perl -MCPAN -e shell
install Geo::Compass::Variation

For more information on module installation, please visit the detailed CPAN module installation guide.

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