mapj1:
. . . I do know there have been attempts to raise funding for a re-start of a modern LORAN like system (circa 100KHz ), as a back up for critical navigation at sea, as GPS has proved to be rather too vulnerable to jamming for comfort . . .
mapj1:
. . . I do know there have been attempts to raise funding for a re-start of a modern LORAN like system (circa 100KHz ), as a back up for critical navigation at sea, as GPS has proved to be rather too vulnerable to jamming for comfort . . .
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