Geomagnetic storms, super‐storms, and their impacts on GPS‐based navigation systems
作者： E. Astafyeva , Yu. Yasyukevich , A. Maksikov , I. Zhivetiev
DOI: 10.1002/2014SW001072
关键词:
摘要: Using data of GPS receivers located worldwide, we analyze the quality performance during four geomagnetic storms different intensity: two super-storms and intense storms. We show that density Losses-of-Lock (LoL) increases up to 0.25% at L1 frequency 3% L2 frequency, 0.15% (at L1) 1% L2) less Also, depending on intensity storm time ionospheric disturbances, total number electron content (TEC) slips can exceed from 4 40 times quiet level. Both LoL TEC occur abrupt changes SYM-H index activity, i.e., main phase development The contribution in was found be done by sites low high latitudes, whereas area numerous seemed mostly correspond boundary auroral oval, region with intensive irregularities. Our global maps where regions irregularities will let us future predict appearance errors for geomagnetically disturbed conditions.
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