been a significant lead in the search for the missing aircraft. as stated by the joint agency coordinating center in perth earlier today, the towed pinger locator deployed from "hmas ocean shield" has detected signals consistent with those emitting by aircraft black boxes. while they may be a step closer to us finding mh-370, there are still many steps to be taken before we can positively verify that these signals are from mh-370. this morning, prime minister razis rezak had a call from prime minister tony abbott who updated him on the signals detected. according to the joint agency coordination center in perth, two separate signal detections have occurred, 1,650 kilometers northwest of perth, within the northern part of the defined search area. the first detection was held for