the report wanted to clear fi. someone said that was a single pulse. that s not what was reported. what was reported was a 37.5 kilohertz signal at one second intervals. there are other machines that operate in the area other machines that use that specific frequen frequency. however, it s important of say this is denoted by one-second interval. there s nothing else that i m aware of or maybe david gallo can address this, nothing else that comes with this signature fall. 1 1/2 minutes with one-second pulse intervals from what i understand. that is very specific to me as to what this thing is. now, what i don t understand is how the people that reported this can then go off line for eight hours, the australians have been trying to reach them for eight hours saying is this verifiable, and then they just go off line and not be able to communicate with them is reprehensible. we re going to continue this conversation. when we come back we re going to talk more about this black boxes, how