Posted by Marc Martin on
URL: https://www.es-forum.com/help-with-new-iMac-tp4022442p4022501.html

> But I don't really understand why this happens, because
> according to what I've read about how GPS works, your
> average handheld device is not transmitting but only
> receiving a signal.  

That's right -- GPS is only receiving.  But people still
react to them.

But people do report weird things like that -- heck, I
used to react to my work ID badge!  (this had
a proximity antenna in it, but no batteries)

Marc