OpenWLANMap data is copyright (c) 2013 by Oxy/VWP and contributors.

Permission is granted to copy, distribute and/or modify the OpenWLANMap
data under the terms of the GNU Free Documentation License, Version 1.3
or any later version published by the Free Software Foundation.
A copy of the license is included in file LICENSE.txt.

db.csv cointains WLAN and position data of all these users, that
explicitely gave their permission to publish their data via database
export. Because of that OpenWLANMap database itself may contain more
datasets than this dump.