أَمْ لَهُمْ سُلَّمٌ يَسْتَمِعُونَ فِيهِ ۖ فَلْيَأْتِ مُسْتَمِعُهُم بِسُلْطَـٰنٍ مُّبِينٍ ٣٨
Or have they a stairway [into the heaven] upon which they listen? Then let their listener produce a clear authority [i.e., proof].
Your location stays on this device and is only sent, rounded to about 1 km, to fetch the times.