• SkyezOpen@lemmy.world
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    1 年前

    the US military can just turn if the civilian frequencies.

    If you’re talking about selective availability, that’s basically gone. It started getting phased out by Clinton in 2000 and newer satellites don’t even have that capability.

    • nexusband@lemmy.world
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      1 年前

      Didn’t know that - i always thought all GPS sats have the ability to encrypt the signals…