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    Re: GPS Interference
    From: Frank Reed
    Date: 2011 Sep 18, 16:05 -0700

    John H., you wrote:
    "Isn't this getting a bit far afield from navigation?"

    I agree. One step removed from traditional navigation... that's ok. But this thread has drifted two or three steps removed. And since Gary and Greg are both on it, I would suggest "take it to Facebook". Just a reminder, especially for newer members: there are several pairs of people with very similar names on NavList, including two Greg R's. :)

    And you wrote:
    "I'd suspect that the problems of interference may well be in the details of the construction of the transmitters in the Light-squared frequency range, and receivers in the GPS - the degree of sensitivity and bleed-through - so the devil may lie in details like that."

    Could be. It also may be the case that the USAF should have declared/demanded a much broader buffer zone around the GPS signals --a zone which could not be licensed by the FCC. This also "clouds" the issue. We have two entirely different US government functions and associated huge bureaucracies attempting to control this portion of the electromagnetic spectrum. It's not that the playing field isn't level --it's that they're not even playing the same game.

    -FER

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