<div dir="ltr"><div><div><div><div><div>Hi Robin<br><br></div>As the old saying goes.... it depends.<br><br></div>Some solutions are designed for static positioning (ie a person standing holding a pole still for n seconds while the position converges) and some are for dynamic positioning (ie your walnut harvester bumping along at a metre or so per second).<br><br></div>Some GNSS information (eg. velocity/heading) are only reliable at more than a certain speed - maybe 1 or 2 metres/sec.<br><br></div>A lot will depend on antenna quality and various other factors.<br><br></div>There are heaps of satellites up now, so good multi-constellation receivers are giving very good results these days.<br><br><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Mar 27, 2018 at 11:30 AM, Robin Gilks <span dir="ltr"><<a href="mailto:robin@gilks.org" target="_blank">robin@gilks.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">This is the package I was thinking about - it's been about for a while but<br>
it looks like it might help me navigate my walnut harvester!!<br>
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<a href="http://rtklib.com/" rel="noreferrer" target="_blank">http://rtklib.com/</a><br>
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Robin Gilks<br>
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