OK. We 're on.
Hello ?
OK , so uh  had some interesting mail from uh Dan Ellis. Actually , I think he  he  redirected it to everybody also so uh  the PDA mikes uh have a big bunch of energy at  at uh five hertz uh where this came up was that uh I was showing off these wave forms that we have on the web and  and uh  I just sort of hadn't noticed this , but that  the major , major component in the wave  in the second wave form in that pair of wave forms is actually the air conditioner.