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• #2
This sounds great!
It's something I had been thinking about as my parents have a small boat - but I never got around to it.
For the GPS I'd personally just stick with totally standard GPS and maybe add a note in the README that users can use the GPS Setup app to enter a low power mode if needed? Potentially if swapping over to PSMOO mode automatically you could end up leaving the GPS in that mode when exiting the app and confusing a bunch of people :)
I was thinking about creating an anchor alarm app. Basically when you start the app it will get the position and let you press a button to fix the anchor position. As I think of it, you arrive to an anchorage, you drop the anchor and press the button in this app (that you have opened before, so it gets a fix). Then you can configure a radious and it watch will beep if you go out of it. Also it will have an option to plot the positions since the alarm was set in order to see how the boat has moved.
I will have to work with the PSMOO gps power mode so the battery lasts at least one night.
Anyone is developing something like this? Do not want to make twice the same thing :)
Pablo