وَقَالَتْ لِأُخْتِهِۦ قُصِّيهِ ۖ فَبَصُرَتْ بِهِۦ عَن جُنُبٍ وَهُمْ لَا يَشْعُرُونَ ١١
And she said to his sister, "Follow him"; so she watched him from a distance while they perceived not.
Your location stays on this device and is only sent, rounded to about 1 km, to fetch the times.