I want to know if there exists any command line option or GUI tool (Ubuntu 11.10) so that I can measure the strength of wireless signal at a given location.I have a house where the wireless is not easily accessible at all corners I want to know at which corners or rooms the signal is weak.This will help me a lot. Thanks in advance.
On the command line you can use
When walking around with a netbook I often use this command which updates the output of iwconfig every second:
Here is a nice little tool i used for setting up my home wifi,
its java based and opens in a web browser
takes time but loads