2.4GHz working, but 5GHz not working -- strange dmesg error

[Tim Tisdall]

On Fri, Dec 13, 2013 at 11:35 AM, Lennart Sorensen
<lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org> wrote:
> I remember it took a long time to clue in to needing the package
> 'wireless-regdb' to configure it to know which country I was in and
> hence which frequencies were allowed to be tried.  Once I did install
> that and tell it I was in Canada, then 5GHz just worked.

How did you set the country?  I have wireless-regdb installed on my
system but not sure how to tell it I'm in Canada.  When I run 'crda'
it says "COUNTRY environment variable not set", but "env COUNTRY=CA"
doesn't seem to make a difference.  "iw reg get" tells me "country
US".

I've never had my wireless adapter connect to my router at 5GHz (in
Ubuntu) and never really knew why.  However, 5GHz is allowed in the US
so I'm guessing there's probably something else I'm missing.
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