The U.S. Coast Guard is shutting down a mapping service called Loran-C, which has been in use since World War II. Some advocates say killing Loran will make the U.S. too reliant on its replacement: GPS.![]()
![]()
![]()
![]()
أكثر...
The U.S. Coast Guard is shutting down a mapping service called Loran-C, which has been in use since World War II. Some advocates say killing Loran will make the U.S. too reliant on its replacement: GPS.![]()
![]()
![]()
![]()
أكثر...
الذين يشاهدون الموضوع الآن: 1 (0 من الأعضاء و 1 زائر)
المفضلات