                        <p>Type of GPS fix of current point, represented as a number</p>

<ul>
<li><strong>Supported Types:</strong> (written in order)

<ul>
<li><strong>None</strong>: No fix</li>
<li><strong>2D</strong>: Position only</li>
<li><strong>3D</strong>: Position and Elevation</li>
<li><strong>DGPS</strong>: Differential GPS</li>
<li><strong>PPS</strong>: Military Signal</li>
</ul></li>
</ul>

<p>Unknown fix should leave fix attribute as <code>nil</code></p>
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