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I still use OSMAnd because it can take photos (with GPS coordinates) at waypoints while recording a track.

I use this to take photos of images from my DSLR while on nature walks.

I later download the waypoint photos and upload it to iNaturalist to get the location information I need to link the location to my higher resolution camera images.

More reliable than linking my camera to my phone (via Bluetooth) to record the location info.

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JOSM, the OSM editor, has a clever way to do this. It links photos to locations on your track using the timestamp of the photograph. The only problem with that is the time on the camera is probably off by a bit. So to solve that you just take a photo of the time on your GPS device at some point in your walk (usually the start). That's then used to determine the offset to align everything.

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