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The ionosphere is the largest remaining error source affecting GPS. It also has some of the least predictable spatial and temporal variations. As such the ionosphere becomes the determining factor in ...
Ionosphere Monitoring Methodology for Hybrid Dual-Frequency LAAS
Ionosphere Monitoring Methodology Hybrid Dual-Frequency LAAS
2015/6/26
Strong ionosphere storms are a potential threat for the Local Area Augmentation System (LAAS). During these storms,very large spatial gradients of ionosphere delays might cause significant errors in u...
Assessment of the Methodology for Bounding Loran Temporal ASF for Aviation
Assessment Methodology Loran Temporal ASF Aviation
2015/6/25
As we become increasingly dependent on GPS for many position, navigation, and time (PNT) applications, it becomes increasingly important that we have an alternate means of obtaining those capabilities...