Cellphone GPS Accuracy

Описание: In this video I will use Qfield and two different Samsung cellphones to assess the accuracy of a cellphone GPS.
timestamps
00:00 - Start
01:40 - Trig beacons
02:35 - Downloading trig beacon kmz data
03:38 - Loading the trig beacon kmz in Google Earth Pro
05:45 - Exporting the trig beacon kml file
08:25 - Opening QGIS
08:40 - Loading the kml in QGIS
09:10 - Exporting a kml to a geopackage
11:38 - Creating a new trig_beacon geopackage layer
15:40 - The Qfield plugin
17:35 - Creating the form for data capture
23:18 - Exporting the project to Qfield
24:22 - Copying the exported projects to my cellphones using a USB cable
25:31 - Field trip starts
29:26 - Using Qfield to navigate
30:29 - Activate the camera location tags
33:18 - Capturing the Constantia Nek Trig Beacon
39:56 - Bundu bashing to the Cecilia Trig Beacon
41:40 - How does a GPS work (a very basic explanation)
43:22 - Capturing the Cecilia Trig Beacon
46:20 - Uploading the Qfield projects
48:45 - Synchronizing the Qfield projects
53:08 - Assessing the cellphone GPS accuracy
01:04:12 - Exiftool,    • QGIS Exiftool  , extracting meta data tags from photos
01:07:21 - Editing the csv
01:08:44 - Loading the Exiftool csv to QGIS
01:11:44 - Conclusions

https://qgis.org - QGIS Opensource GIS software
https://smsgis.co.za - Spatial Modelling Solutions
https://exiftool.org - Extract meta data from photos
https://sites.google.com/site/trigand... - trig beacon kmz downloads