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    Re: South Korea Revives GPS Backup Project
    From: Bill Lionheart
    Date: 2016 May 4, 07:27 +0100

    In the UK the armed forces regularly practice jamming of satellite
    navigation (not just GPS, it jams GLONASS too) . Sometimes as part of
    a NATO exercise. I understand it is done from an aircraft
    The Royal Navy, and all other shipping in the usually remote area has
    to fall back to using other methods of navigation. This is coastal
    navigation though so they would fall back to using Radar I presume.
    On 4 May 2016 at 05:28, Brad Morris  wrote:
    > Hello Jackson
    > In order to jam, you must transmit on the same frequency, with enough power
    > to significantly downgrade your opponent's ability to position find. In the
    > event of military conflict, the location of those jamming transmitters will
    > be swiftly found through RDF (if not already known today) and expunged with
    > a few well placed missiles.  End of jamming.  If the transmitters are
    > mobile, it might take a little longer, but the transmitters are basically
    > saying "Here I am!"
    > Right now the GPS jamming is a local inconvenience.  More petty nonsense
    > from a tyrant
    > Brad
    > On May 3, 2016 7:25 PM, "Jackson McDonald" 
    > wrote:
    >> Intentional GPS jamming.
    >> https://gcaptain.com/south-korea-revives-gps-backup-project-after-blaming-north-for-jamming/
    >> View and reply to this message
    > View and reply to this message
    Professor of Applied Mathematics

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