A friend and I used to do this, using the USB GPS reciever from Microsoft Streets and Trips, and then an Orinoco PC Card that let us use an external antenna that we got from a Linksys home AP/router. It was fun seeing all the networks on the map when we got home. I think the original plan was to send out flyers to these businesses offering networking/IT services but we never got that far (especially to the ones with…
I still remember a few of the more amusing network names when I drive past their locations. I can't ever drive on I-75 south of Bowling Green, OH without thinking of "Chickenfeet".