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  1.    #1  
    is there a way to use the magnetometer in the pre 3 as a crude metal detector ...looking to find a metal spike in the roadway in front of my house marking the property corner ...I used to be able to see it, but now it's in the midst of the gravel paving & must look like all the stones...?? I have the compass app which, even when I refuse location services, works like a champ...
  2. #2  
    If this spike is magnetic, it might disrupt the compass - depending on it's field strength & proximity.

    Or...

    HowStuffWorks "VLF Metal Detectors"
  3.    #3  
    Quote Originally Posted by Preemptive View Post
    If this spike is magnetic, it might disrupt the compass - depending on it's field strength & proximity.

    Or...

    HowStuffWorks "VLF Metal Detectors"
    so I would have to run the phone along the surface of the road with hopes of seeing that... doesn't sound very elegant... thanks!

    ...I just put the free compass app on the pre 3 and it seems to work well & is quite quick to respond ...might merit a try...
    Last edited by patapoof; 04/24/2014 at 05:41 PM. Reason: mor

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