-01 to 2029-12-31. The magnetic field calculations
across this time range agree with the official WMM test values to the
precision provided by the authors. I will update this package for each
new WMM version. For those that prefer a non-R solution, the authors of
WMM provide free software to calculate magnetic field on the official
website.</p>
<div id="installation" class="section level1">
<h1>Installation</h1>
<p>Install from CRAN:</p>
<div class="sourceCode" id="cb1"><pre class="sourceCode r"><code class