PassMark WirelessMon - Screenshots
The main window:
Main Window with MetaGeek Wi-Spy: This shows the signal level is quite high on channel 1 even though there are no access points, the culprit appears to be a wireless video camera in an adjacent office.
The map window:
Map ©2009 Google - Map data ©2009 AND, Europa Technologies, MapData Science Pty Ltd, PSMA, MapIT, Tele Atlas
The graph window:
Animated GIF of 7 access points and their combined signal strength map
Map © Universal Publishers Pty Ltd 2005
The Mini Window:
The WirelessMon window can be reduced to a 'Mini window" that appears as a overlay in the top right corner of your screen.