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    Re: GPS Out but GLONASS O.K.
    From: Frank Reed
    Date: 2012 Jul 20, 12:01 -0700

    Wow. The article from ria.ru babbles about the "Bermuda Triangle" more than once. Not exactly reliable journalism.

    Even if we take the reporting at face value, there is no lesson here, at least in terms of "GPS out but GLONASS ok". ANY receiver is susceptible to voltage surges and induced currents from nearby lightning strikes. A backup GPS (or GLONASS or multi-satellite-system) receiver should be kept somewhere that is electromagnetically shielded. In other words, it should be kept in a Faraday cage. If you think you don't have one, a small microwave oven makes an excellent Faraday cage. It's certainly possible that a Russian-built receiver will be more robust on average than a Japanese (or Chinese or American) receiver. But that applies if it's picking up GPS signals, too. It's got nothing to do with GLONASS. The satellite system that it is receiving signals from is not part of the equation.

    -FER
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