02-15-2011, 10:34 PM
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Join Date: Feb 2011
inSSIDer will tell you what channels are in use. It's not terribly bright, and only seems to show channels that are broadcasting a SSID. Using this can tell you what channels are present in your area.
Another possiblity is that the radio chip on your wifi is cooking itself. They have only a finite lifespan. This can be checked by borrowing someone else's AP, and seeing if it makes a difference.
Check for location changes. If you get less interference when the laptop is close to the AP, it is more likely to be interference. If it's no better close than it is at the otehr en of the hosue, then the AP may be dying.
Power supplies are also a suspect. A power supply usually has capacitors in it that level out the AC to DC (oversimplifcation.) The can leak as they get older, and the result is that you get DC that has a bit of AC ripple on it. This can interfere with the function of the AP.
If you can find a compatible power supply (same plug, same voltage, same or somewhat higher current capability) you can try that. Given the lack of standards, this is problematic, but Radio Shack does sell some universal wall warts that cover most of the common situations.