id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
esrj-38952	Lin, Jyh-Woei	Detecting Ionospheric Precursors of a Deep Earthquake (378.8 km) on 7 July 2013, M w=7.2, in Papua New Guinea under a Geomagnetic Storm: Two-Dimensional Principal Component Analysis	2013	6	.pdf	application/pdf	3309	147	54	TEC data were examined to detect TEC precursors, while GIMs were only used to observe the TEC situation. Acknowledgements The author is grateful to the NASA Global Differential GPS system (GDGPS) for its useful references and TEC data and to the memory of his own life in Germany as a student from 1996-2000.	cache/esrj-38952.pdf	txt/esrj-38952.txt