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Now with Net Stumbler I can get 15 to 19 wifi networks in my neighborhood
you may want to check the channels used and set your router to a different channel to avoid interference
channels 1 and 6 and 11 do not overlap - and are the most common
netstumbler will show you the channel
also xirrus is a good tool
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Run Xirrus Wi-Fi Inspector
Download and install
If you cannot access the internet with this PC, then you will need to copy the program across to the faulty PC
http://www.xirrus.com/library/wifitools.php
Direct link to the program is here
http://www.xirrus.com/library/wifi_download_redirect.php
Then run and install the program - on a wireless enabled PC/Laptop
if you get an error - You need
NET Framework installed for the WiFi Inspector to function.
Run the program
Note:
For a reliable (or robust as the Xirrus user guide says) wireless connection you need a signal of about -70 dBm or better.
If you are using the Mac OS then use
http://www.istumbler.net/
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