WiFi: why not a diagram showing access points?

[Robert Nichols]

On 02/16/2011 11:09 PM, Robert Moskowitz wrote:
> On 02/16/2011 11:42 PM, Robert Nichols wrote:
>> On 02/16/2011 09:54 PM, Robert Moskowitz wrote:
>>> On 02/16/2011 07:56 PM, Tim wrote:
>>>> On Wed, 2011-02-16 at 15:54 +0100, Timothy Murphy wrote:
>>>>> But I'm not in a built-up area.
>>>>> I do see one other (hidden) network, but it is quite weak.
>>>> As Patrick said, cordless phones can interfere.  Plus leaky microwave
>>>> ovens, wireless home security equipment, gigaHertz video senders,
>>>> lighting dimmers and switchmode power supplies.  Whilst the latter two
>>>> don't, directly, work in the frequency range of WiFi, they can radiate
>>>> an awful lot of hash that disrupts many things.
>>> We often mention at the 802 wireless sessions (both 802.11 and 802.15)
>>> how amazing it is that this stuff works at all!
>> For quite a while I could see, from my home, 3 wireless networks, all
>> on channel 6, all with SSID "Linksys", and all with decent signal strength.
>> How that managed to work for those people I have no idea.
>
> You could have been in the middle, seeing them, and they not seeing each
> other. The hidden node problem.
>
> Or they just lived with things going blewy. Or they were all open so it
> did not matter which AP any of the used!

I neglected to mention that they were, indeed, all unencrypted.  I'm
pretty sure at least two of them were in roughly the same direction.
Whatever.  That was a couple of years ago, and I don't see any of those
networks now.

-- 
Bob Nichols     "NOSPAM" is really part of my email address.
                 Do NOT delete it.