title: HTML5 Geolocation problems on the IPhone
body: <p>I am working on geolocation api html5, iphone results are disappointing. Tested on city ​​with tall buildings and watchPosition implementation</p>
  
  <p>The main problems are: </p>
  
  <p>Minimum accuracyfound: 49 meters </p>
  
  <p>Normal accuracy: 75m</p>
  
  <p>Returns many repeated positions. Big problem, the same 20 positions in one interval!</p>
  
  <p>Options do not work: enable High Accuracy and maximunAge.
  Speed variable not work</p>
  
  <p>Running on Firefox Home for iphone, so when the phone is locked, d'ont stops web and GPS. 
  Safari stop web when phone is locked.</p>