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Slide 1

COSMIC-1: Taking radio signals from the GPS as they pass through Earth's atmosphere.

Slide 3

COSMIC-2: A revolutionary increase in the number of atmospheric and ionospheric observations.

Slide 4

Ground-based GPS: Generating near real-time estimates of atmospheric precipitable water-vapor.

Slide 5

Education and Outreach: Expanding the research in Radio Occultation.

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Missions of Opportunity: Providing data to the Radio Occultation Community.

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CDAAC: Processing raw Radio Occultation data into atmospheric profiles.

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Science Applications: Improving weather forecasts, monitoring climate change, and enhancing space weather research.

Realtime Radio Occultation Data

CDAAC Access

CDAAC Access


Most Recent COSMIC-1 Satellite Locations
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Recent Publications

Biondi, R., S.-P. Ho, W. Randel, S. Syndergaard, and T. Neubert, 2013: Tropical cyclone cloud-top heights and vertical temperature structure detection using GPS radio occultation measurements. J. Geophys. Res., 118, 1-13, doi:10.1002/jgrd.50448.

Steiner, A. K., D. Hunt, S.-P. Ho, G. Kirchengast, A. J. Mannucci, B. Scherllin-Pirscher, H. Gleisner, A. von Engeln, T. Schmidt, C. Ao, S. S. Leroy, E. R. Kursinski, U. Foelsche, M. Gorbunov, Y.-H. Kuo et al., 2013: Quantification of structural uncertainty in climate data records from GPS radio occultation. Atmos. Chem. Phys. Discuss., 12, 26963-26994, doi:10.5194/acpd-12-26963-2012.

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Real-Time Precipitable Water Vapor

Suominet Real Time PWV Results

SuomiNet Access

COCONet - Continuously Operating Caribbean GPS Observational Network