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re position logo - online edit of handbook/computing/myphone.html

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handbook/computing/myphone.html
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@ -67,7 +67,7 @@ tbd
<p>detailed instructions depend on the type of phone and the version of Android - someone fix this ?!
<h3>Calibrate/document your phone's capabilities</h3>
<div align=right><a href='/handbook/computing/l/gpstest.html'><img width=20% src='/handbook/computing/t/gpstest.jpg' /></a></div>
<figure class=onright width=20><a href='/handbook/computing/l/gpstest.html'><img width=20% src='/handbook/computing/t/gpstest.jpg' /></a></figure>
Install the "GPS Test" app, this one: <a href="https://play.google.com/store/apps/details?id=com.android.gpstest">GPS TEST</a> and check whether your phone is using SBAS "Satellite-based Augmentation Services", which is another name for EGNOS, the differential GPS system.
You need to record if SBAS is in operation whenever you record the position of a cave entrance (and ideally whenever you take a photo too, but that would be unrealistic).