If you configure Country code ‘US’,148——165 should be ready to use.
I know that, but the power level will be wrong. I’m satisfied knowing you’re working on it an it will eventually work fine with the newer kernel, if my assumptions were right.
Guys, I love you all, but this doesn’t count as a solution 
I’m ok with the AP not supporting SRD channels, but STA should. Even if it means only repeating on 2.4 GHz, or smaller 40 MHz channels. Speed was never the point of this device, customisability and versatility were.
People looking for speed… they bought Beryl, not Slate.