Physics
Scientific paper
Jun 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30l..30c&link_type=abstract
Geophysical Research Letters, Volume 30, Issue 12, pp. 30-1, CiteID 1628, DOI 10.1029/2003GL017708
Physics
11
Ionosphere: Ionospheric Disturbances, Ionosphere: Wave Propagation (6934), Ionosphere: Instruments And Techniques, Geodesy And Gravity: General Or Miscellaneous
Scientific paper
We present observations of high-frequency ionospheric perturbations detected using Global Positioning System (GPS) data from the Southern California Integrated GPS Network (SCIGN), a densely spaced GPS array of about 250 stations centered on the Los Angeles area. We show examples of perturbations with 3-10 minute periods that may result from coupling between the ionosphere and neutral gravity waves generated in the lower atmosphere. Although the signal-to-noise ratio of the perturbations is relatively small, we show how multi-station array processing techniques can take advantage of the high spatial density of the measurements and the coherence of the signal over a region the size of the SCIGN to considerably improve the detection capability.
Calais Eric
Haase J. S.
Minster Jean-Bernard
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