checking wireless cable

[geoffrey mendelson]

On Aug 19, 2011, at 10:22 PM, Oleg Goldshmidt wrote:

> geoffrey mendelson <geoffreymendelson at gmail.com> writes:
>
>> My guess is that you changed the region/country/jusridiction

In different parts of the world, different channels are legal. For  
example, in some places channels 1-13 are legal, others, 1-12, or  
3-14. In Israel it is 4-8 with 1-3 and 9-13 "shared" with the IDF.

Since a wifi channel really uses 3 channels, one one each side of the  
main channel, if your router is set for one jurisdiction and the  
computer another, channels at either end may not work.

I'm sure is not applicable to you, is that if you don't change the  
SSID or use encryption, your computer will sign on to the strongest  
network of the same name. As the signal fades or gets stronger  
(roaming) the computer will switch to the strongest signal it finds.

All those people who got BEZEQ wifi routers with an SSID of SIEMENS  
were using each other's wifi without knowing it.

Don't say it's not happening now, when I was in the hospital in April,  
there were 3 networks I could reach, the hospital's protected network  
for internal use, the hopsital's open networks giving almost 100%  
coverage on several channels and an open network with a "default" name  
from another building.

A friend of mine just moved to haifa, and he found that there was  
"free" wifi in his new apartment. :-(

Geoff.

-- 
Geoffrey S. Mendelson,  N3OWJ/4X1GM