If you are running a Unix of some kind, try

sudo iwlist wlan0 scan | grep Channel


http://en.wikipedia.org/wiki/Wireless_tools_for_Linux#iwlist


  iwlist is used to scan for available wireless networks and display additional information about them that is not displayed by iwconfig. The main argument is used to select a category of information, iwlist displays in detailed form all information related to this category, including information already shown by iwconfig. The command is primarily used to generate a list of nearby wireless access points and their MAC addresses and SSIDs.


Optimizing wireless router speed and minimizing interference
What is the difference between metadata API and tooling API?  When I read the documentation, they both appear the same to me from the metadata perspective. I would like to know how I can use it for retrieving metadata.  How is the tooling API specifically different from metadata API for retrieving metadata?
