Beginners Guide 1.2
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Uploading GPS data
If you decided to use GPS recordings as your source to add to OpenStreetMap, it is also very helpful if you upload your raw GPS traces to OpenStreetMap, even though the raw traces aren't used directly by OSM. However, sharing these with everyone allows people to better judge the quality of the data or average several GPS tracks to improve the accuracy of existing ways, and is thus strongly encouraged, but not necessary.
If you are using one of the many sources other than GPS, you can skip these steps
The following steps need to be taken to upload GPS traces to OSM, and download it into JOSM for editing.