Dukane Seacom makes finding a missing airliner possible

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1 comment:

  • cloggervic posted at 10:23 pm on Sun, Apr 20, 2014.

    cloggervic Posts: 1

    The pinger is supposed to ping at 37.5KHz. The detected pings were at 33.3KHz. The company is quoted as saying the frequency can drift towards the end of the device's 6-year shelf life. However, as a long term EE, I do not know of a frequency control technology that would be so bad as to allow the frequency to drift 10% !! Even the worst quartz crystal would only drift around 0.001% 10% is gross. I hope a qualified EE has evaluated the Black Box design to see if such a huge frequency drift is possible, otherwise the search is barking up the wrong tree.

     

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