You might need to zoom out to see the polygons.

fix confirmed - it's remarkable that Google would change such a core behavior at the very end of a release lifecycle.
bobzilla++

bobzilla++ indeed! Thanks for the update.

This subject is something I've been looking into recently myself (geo-locating an AP). Using Inssider 2, a USB GPS puck and a high-gain omnidirectional antenna I recorded observations of the signal strength of an AP with known location by walking the nearby streets. These observations were imported ...