robgendreau
Explorer
I guess I haven't been paying attention, but turns out in iOS 8.3 Apple has changed the Airplane Mode to allow GPS. Not that I fly, but this means you can disable voice, etc to save power and only use the GPS function. Previously it was more of an all-or-nothing approach. I got the info from GaiaGPS:
http://tinyurl.com/o3x63n3
http://tinyurl.com/o3x63n3