MacDive allows bluetooth sync with the Shearwater as hazmat has mentioned. Then snap a picture on the divesite thus capturing the metadata (includes GPS coordinates). Then upload to the cloud via the phone. When you get home, open the app (MacDive) and sync. Your data will be there. Import the picture from phone into 2 places: One MacDive and one on desktop. Open the one on desktop, get info --> copy metadata (GPS) which you can then enter into the logbook or MacDive.
I hope this helps.
I hope this helps.