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url fix - online edit of handbook/survey/gps.htm

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Philip Sargent
2025-05-11 16:50:00 +01:00
committed by Expo on server
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commit 5548ddf004
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handbook/survey/gps.htm
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@@ -63,7 +63,7 @@ track log, then record another waypoint at the same place just before you leave
so it's clear to someone examining the track log when you actually left. so it's clear to someone examining the track log when you actually left.
</p> </p>
<p>Averaging used to be very important, but today (2025) we have so many GNSS satellites in the sky that ionospheric effects are the significant error. These change slowly over 5 hours or so, so avergaing for a minute or and hour does nothing useful. You would need to average over several days. The solution for a fast fix is <a href="handbook/computing/myphone.html#future">to use RTK</a>. <p>Averaging used to be very important, but today (2025) we have so many GNSS satellites in the sky that ionospheric effects are the significant error. These change slowly over 5 hours or so, so avergaing for a minute or and hour does nothing useful. You would need to average over several days. The solution for a fast fix is <a href="/handbook/computing/myphone.html#future">to use RTK</a>.
<p>While the GPS is averaging your location, you can do something useful <p>While the GPS is averaging your location, you can do something useful
(like rigging the cave, doing a surface survey from the GPS point to the (like rigging the cave, doing a surface survey from the GPS point to the