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Re: [PATCH] wireless-regdb: add support for KR S1G channels

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On Tue, Nov 22, 2022 at 11:45:52AM +0900, JUN-KYU SHIN wrote:
> The 917-923.5MHz band is KR USN 1 band, so follows
> the emmision limists described in part 8.4.4
> 
> The 925-931MHz band is KR USN 5 band, so follows
> the emmision limists described in part 8.8.1
> 
> Signed-off-by: JUN-KYU SHIN <jk.shin@xxxxxxxxxxxx>

Thanks for the patch. I have some questions and comments, below.

> ---
>  db.txt | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/db.txt b/db.txt
> index 012824f..1b4fe11 100644
> --- a/db.txt
> +++ b/db.txt
> @@ -950,7 +950,14 @@ country KP: DFS-JP
>  # https://www.law.go.kr/LSW//admRulLsInfoP.do?chrClsCd=&admRulSeq=2100000205195
>  # https://www.law.go.kr/LSW//admRulLsInfoP.do?chrClsCd=&admRulSeq=2100000205187
>  # https://www.law.go.kr/LSW//admRulLsInfoP.do?chrClsCd=&admRulSeq=2100000206568
> +# https://www.law.go.kr/LSW//admRulLsInfoP.do?chrClsCd=&admRulSeq=2100000211335
>  country KR: DFS-JP
> +	# S1G Channel USN 1 (917 - 923.5)
> +	(920.5 - 921.5 @ 1), (10)
> +	(921.5 – 922.5 @ 1), (14)

I don't know anything about S1G channels in Korea so I'm curious -- are
these the only 2 channels defined in the 917-923.5 range?

> +	# S1G Channel USN 5 (925 - 931)
> +	(926 - 930 @ 1), (17)
> +	(926 - 930 @ 2), (20)

This unfortunately doesn't work. While it's possible to have both rules
in the database, to the best of my recollection the kernel only ends up
using the one with the larger bandwidth to set the power limit. So then
the higher power limit would also be used for 1MHz channels.

Thanks,
Seth




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