Hey, That is a huge score man. I think the highest I ran it was 5.1 and planned to run it at 5.3ghz but never got to it before the madness started happening.
The highest I got on it was 14.xx cant remember but close to 15 at 5.15Ghz.
I am a bit worried because they are outside today messing with the electric again. All last week they were messing with wires right outside my house but everyone I spoke to said there is no way they cause the issues I had. Especially since through half of it I had a New APC battery back up and surge protector rated at 1000w for 20 minutes.