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ath9k_htc: Issue with channel 52 and above (DFS?)

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Hi,

with an intel based and an ath9k mini pci express card I see my 5GHz AP
in iwlist scan results regardless if it is on channels 36-48 or on 52
and above.

With this

Bus 002 Device 031: ID 0846:9018 NetGear, Inc. WNDA3200 802.11abgn Wireless Adapter [Atheros AR7010+AR9280]

ath9k_htc based card I see the same AP only if it operates on channel
36-48, I do NOT see it in iwlist scan results if it is on channel 52 to
140 - I again see it when it is on 149 or above.

So, exactly the channels which require radar detection seem to be
missing.

I wonder why this happens (if related to DFS) - radar detection needs
to happen on the AP, not the client, or do I overlook something?


-- 
MfG,

Michael Leun

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