美国海岸防卫队在美国时间2月7号发布一份联邦纪事公告，证明终止Loran-C信号不会影响海上航行安全。而Loran-C信号将在2月8日开始逐步停止，到2010年10月1号将全面停止。 Loran-C将被关闭 Loran-C的全称是远程导航，是一种远程双曲线无线电导航系统，作用距离可达 ...
The need for a backup to GPS as a source of position, navigation and timing (PNT) information has been obvious for years. GPS is key to critical infrastructures and is deeply embedded in aviation’s ...
A new enhanced differential Loran system demonstrates 5-meter accuracy not achievable by the current DLoran system, and requires less expensive reference stations. A ...
No audio available for this content. Image: KENGKAT/iStock/Getty Images Plus/Getty Images A new paper by two Qualcomm engineers imagines restructuring Loran technology to more easily incorporate ...
In a series of small ceremonies, the U.S. Coast Guard on Monday shut down Loran-C, a navigation and timing system that has guided mariners and aviators since World War II. The death blow came last May ...
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