Originally Posted by Brinkley1988
One question, withou GPS, how could you know you've entered that position?
You wouldn't. At least not with enough accuracy to make it usable.
The originally stated purpose isn't doable because Tasker doesn't allow you to specify a location with a variable. I think it's been on the todo list for a while, but it's not available yet.
Even if it was technically possible, (I think) it would be more battery efficient to just leave bluetooth on instead of leaving GPS on in order to know when to turn bluetooth back on.
It would be possible to implement some sort of Bluetooth Near function by turning bluetooth on periodically and seeing if it connected, and if not, turning it off again. But this would require the device to wake up for each check, and could possibly be more of a battery drain than leaving bluetooth on.