signal that they re being specific about saying because that is the frequency upon which this pinger is supposed to be transmitting. so from that point of view, you know, they haven t just heard something. they ve heard what they believe to be the right frequency of 37.5 kilohertz per second in the south indian ocean. and the also it s widely understand that can the chinese ship involved has been very much concerned in the efforts to detect the signal of the black box. it arrived friday, north of the area where everybody has been searching. at the th if they have found it, and bearing in mind, we re not entirely sure what equipment anyone has on board, this would be a remarkable finding, indeed. and this would be quite