usage:</p>
<ol style="list-style-type: decimal">
<li><p>Calculate expected magnetic field components at a benchmark
location, mid 2022. Using the default value for WMM version, this will
use the WMM2020 coefficients.</p>
<div class="sourceCode" id="cb3"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a>wmm<span class="sc">::</span><span class="fu">GetMagneticFieldWMM</span>(</span>
<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a>  <span class="at">l