As wireless groups grow in size a number, many people have implemented their own node database, ususally with a mapping system. This is a place to keep track of these projects to keep from reinventing the wheel. --DonPark
http://maps.personaltelco.net br Personal Telco's node db/mapping project. open to all.
http://www.shmoo.com/gawd/ br Global Access Wireless Database
http://www.consume.net/nodedb.php br Interesting angle, they show a map of the nodes with no underlying topographical or political map. It does bypass the issue of where to get good map data.
http://www.boingo.com/search.html[[br]] Boingo, a commercial venture, keeps a list of public access nodes.