it detected in the southern indian ocean, that perhaps its device was able to pick up a ping, a pulse that may be that of the voice or flight data recorders there in the indian ocean as it pertains to flight 370. my next guest believespingers that went into flight 370 and he s kept siskeptic about this d ping. so, why is it that you are skeptic skeptical? well, it s not that we re skeptical. it s the right number, 37.5 kilohertz. but let s get multiple sources to validate. let s get additional assets on-site, some sonabouyies to validate before we conclude or jump to the conclusion we identified where the devices, debris field may or may not be.