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43 lines
2.3 KiB
HTML
43 lines
2.3 KiB
HTML
<html><head><title>GPS (GNSS) devices</title></head><body>
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<h3>"Modern" Garmin handheld GPS devices</h3>
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<p>
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Connect the GPS device to your laptop (or the expo laptop) using the USB cable. A folder will open on the laptop showing the contents
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of the device.
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You will see a subfolder called "GARMIN". Open the folder "GARMIN" and copy the file essentials.gpx which you
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downloaded into that folder.
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<p>Even modern (2019) Garmin GPS devices use this old style mini-USB socket. So you will need the special cable that comes with the device. An ordinary phone USB cable won't work.
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<p>
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<figure>
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<img src="t/usb-minib-5pin-m-c.jpg" alt="mini-USB socket" />
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<figcaption><em>mini-USB b socket</em></figcaption>
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</figure>
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<h3>Very Old Garmin handheld GPS devices</h3>
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<p>
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These need the Garmin communication protocol to import cave entrance locations (waypoints) and paths (tracks).
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You can't do it by simply copying files.
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This means that you need special software on your laptop in addition to a USB cable that
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connects your laptop to the Garmin device.
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<p>Once you have the right cable and connected your handheld to your laptop:
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<ul>
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<li>On a Windows machine, use "GPSbabel for Windows" which has an easy to use graphical user interface:
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<a href="https://www.gpsbabel.org/download.html">download GPS Babel</a>
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<li>On a Linux machine the core gpsbabel command line utility is probably already installed;
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but there is no simple, easy to use graphical interface.
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Instead you must use other software such as QGIS or Viking (download using your usual Linux software installer)
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which uses gpsbabel to talk to your device.
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If this doesn't work then there are no useful error messages from Viking.
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</ul>
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<hr>
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Go on to <a href="/handbook/computing/gpxupload.html">Saving your GPS tracks</a><br />
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Go on to <a href="newcave.html">Next survey guide page</a> - 'Base Camp: getting it in to the computer'<br />
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<br />
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<a href="/handbook/computing/myphone.html">Your phone on expo</a> - Do not select the "high accuracy" location setting on your phone<br />
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<a href="/handbook/essentials.html">GPS essentials on the plateau</a> - Safety information<br />
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<a href="/logbookentry/2024-07-21/2024-07-21c">Photo GPS</a> - Is unreliable unless you follow procedure<br />
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<a href="/handbook/survey/gps.htm">Locating entrances by GPS</a> - from the survey handbook section<br /></body></html>
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