[XSCE] Large groups of XO-1 do not work with access points

T Gillett tgillett at gmail.com
Thu Feb 6 18:39:17 EST 2014

Hi Tim

Adjacent wifi channels overlap, and to get completely non-overlapping
channels you have to space them three or more channels apart.

Channels 1, 6, 11 are a commonly used set of non-overlapping channels.
There is nothing special about these channels other than that.

I am using channel 9 in my tests for two reasons:
- It is a clear channel in my area, there are no devices operating on
channels 7,8,9 or 10.
- The XO-1s use channels 1, 6 and 11 for their built-in networking, so I
want to avoid any chance of conflict as far as possible.


On Fri, Feb 7, 2014 at 8:16 AM, Tim Moody <tim at timmoody.com> wrote:

> How to deal with it in the field?  Make a scoring system for each
>> channel, 1, 6, and 11.
> http://wiki.laptop.org/go/Wifi_Connectivity says
> [edit]  Channel
> With 802.11b or 802.11g, use channel 1, 6 or 11 in the US or Canada. Use
> of any other channels will degrade your own wireless signal and that of
> others.
> Similarly, the mesh networking and adhoc network between XO laptops is
> restricted to work only on channels 1, 6 or 11.
> Are you affirming that no channel other than 1, 6, or 11 should be used
> and repudiating other advice to use 9?  (Haiti is not actually in the US or
> Canada.)
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