I have an app that does a simple textbook navigator.geoLocation.watchPosition(...) that works great in iOS 5.x both in Safari and as a web app (using apple-mobile-web-app-ca
I'm having the same problem. Looks like watchPosition is simply failing out after the first position is received. I haven't found a work around yet, but I wanted to confirm that I was experiencing issues.
Using these samples: http://www.w3schools.com/html/html5_geolocation.asp
I get expected results on ios5 but ios6 drops the ball with watchPosition.