ess frequency</p></dd>

 <dt><code>response</code></dt>
<dd><p>gain and phase of response</p></dd>

 <dt><code>b_div_d</code></dt>
<dd><p>partial penetration saturated
   thickness / aquifer thickness</p></dd>

 <dt><code>variable</code></dt>
<dd><p>gain or phase</p></dd>


</dl></div>

    <div class="section level2">
    <h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span><sp