> The IETF AP's go active for a short-time, and then go dark, and when > they come back, they are obviously in a different location how does the geoloc provider detect that they are in a new locatio? i assume, but do not know, that google drives by, but not very often. i have no ideas how others do it. gsm comparison? phone gps? but does my phone give them those data; i might not like that. > users who geolocate to those AP's quickly shown to be in the "wrong" > place, in that when they get Cell Tower information, it conflicts with > the geolocation hint associated with the AP. my phone gets the conflict, but does the geoloc provider? does my phone give them those data; i might not like that. > The service could keep them on a list of AP's where after they go dark > for say, 24 hours, when they come back on-line the system should try > to use location services based on cell tower, GPS, etc., to figure out > where they are on a real-time basis. i suspect they already do some sort of thing such as this. after all, it's their business. unfortunately, roaming APs are probably a negligible percent of their targets; which is why they do not even answer our email. randy