. . . . "1" . "accepted"@en . "1" . . "" . . "SDN:S04::S0473" . "false" . "SDN:S04::S0473" . . "Long-range Navigation (LORAN) is a terrestrial navigation system using low frequency radio transmitters that use the time interval between radio signals received from three or more stations to determine the position of a ship or aircraft."@en . "SDN:S04::S0473" . . "LORAN navigation"@en . "2006-10-02 18:26:59.0" . . . "2006-10-02 18:26:59.0" .