<p>Easy enough to test.. pick a node, and a point that just increments one ordinate </p>
<div class="gmail_quote">On May 22, 2013 7:40 AM, &quot;Mike Everest&quot; &lt;<a href="mailto:mw@freenet.net.au">mw@freenet.net.au</a>&gt; wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Intuitively, I&#39;d say &#39;true&#39; - that&#39;s the obvious way to calculate it when<br>
you&#39;re dealing with long/lat values, true bearings are hard enough, let<br>
along try to do a real-time lookup on magnetic deviations etc<br>
<br>
BUT, google are always full of surprises! ;-)<br>
<br>
Cheers,  Mike.<br>
<br>
&gt; -----Original Message-----<br>
&gt; From: <a href="mailto:melbwireless-bounces@lists.wireless.org.au">melbwireless-bounces@lists.wireless.org.au</a> [mailto:<a href="mailto:melbwireless-">melbwireless-</a><br>
&gt; <a href="mailto:bounces@lists.wireless.org.au">bounces@lists.wireless.org.au</a>] On Behalf Of Steven Haigh<br>
&gt; Sent: Tuesday, 21 May 2013 7:37 PM<br>
&gt; To: Melbourne Wireless<br>
&gt; Subject: [MLB-WIRELESS] Node Database bearings...<br>
&gt;<br>
&gt; Just wondering... Are these in degrees true or degrees magnetic?<br>
&gt;<br>
&gt; --<br>
&gt; Steven Haigh<br>
&gt;<br>
&gt; Email: <a href="mailto:netwiz@crc.id.au">netwiz@crc.id.au</a><br>
&gt; Web: <a href="https://www.crc.id.au" target="_blank">https://www.crc.id.au</a><br>
&gt; Phone: (03) 9001 6090 - 0412 935 897<br>
&gt; Fax: <a href="tel:%2803%29%208338%200299" value="+61383380299">(03) 8338 0299</a><br>
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<br>
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</blockquote></div>