You can also get two independent GPS dongles and do some math to improve accuracy. Kalman filters &amp; the normal distributions are your friends:<br><a href="http://tiny/gkwjw7ck/googsear">http://tiny/gkwjw7ck/googsear</a><br>
<br>I think the free google self driving car class had a very nice video about this. Quite intuitive once you see it.<br><a href="https://www.udacity.com/file?file_key=agpzfnVkYWNpdHl1ckcLEgZDb3Vyc2UiBWNzMzczDAsSCUNvdXJzZVJldiIHZmViMjAxMgwLEgRVbml0GJbIAgwLEgxBdHRhY2hlZEZpbGUYwaAKDA">https://www.udacity.com/file?file_key=agpzfnVkYWNpdHl1ckcLEgZDb3Vyc2UiBWNzMzczDAsSCUNvdXJzZVJldiIHZmViMjAxMgwLEgRVbml0GJbIAgwLEgxBdHRhY2hlZEZpbGUYwaAKDA</a><br>
<br><br><div class="gmail_quote">On Mon, Feb 4, 2013 at 11:28 AM, Gate Keeper <span dir="ltr">&lt;<a href="mailto:mohasq@gmail.com" target="_blank">mohasq@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">Hi,<div><br></div><div>have been looking for this device. Where can I get and for roughly how much. </div><div><br></div><div><br></div><div>Kindly inbox.</div><div><br></div><div>
<br></div><div>Duncan</div></div>
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