Vox
A company is trying to map America’s cell networks using mail trucks
Cell network coverage maps have always been dubiously accurate in the US, and even the ones released by the Federal Communication Commission in 2021 come with a ton of asterisks. A company called Ranlytics is hoping to make a much more accurate picture by attaching equipment to some of the mail trucks that are already driving to many locations in the US to deliver parcels and letters.