With Homedale you can search for Wi-Fi / WLAN Access Points and monitor their signal strength. Use the detected access points with Google Geolocation and Mozilla Location Service to locate yourself.
See an overview of all available access points with their signal strength, encryption [WEP/WPA/WPA2], speed and channel.
You can also monitor the signal strength of selected access points in a graph over the time. With a right mouse click, you can start logging to a text file and create a screenshot.
Make a right mouse click to connect and disconnect from a Wi-Fi / WLAN access point. The blue icon shows the currently connected access point.