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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.

Slide 6

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

Slide 7

CDAAC: Processing raw Radio Occultation data into atmospheric profiles.

Slide 8

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

Realtime Radio Occultation Data

CDAAC Access

CDAAC Access

COSMIC Occs

Most Recent COSMIC-1 Satellite Locations
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Recent Publications

Anisetty, S. K. A. V. P. R. , C.-Y. Huang, and S.-Y. Chen, 2014: Impact of FORMOSAT-3/COSMIC radio occultation data on the prediction of super cyclone Gonu (2007): A case study. Natural Hazards, 70, 1209-1230, doi:10.1007/s11069-013-0870-0.

Blackwell, W.J., S.-P. Ho, and Coauthors, 2014: Radiometer Calibration Using Colocated GPS Radio Occultation Measurements. IEEE Transactions on Geoscience and Remote Sensing, 52(10), doi:10.1109/TGRS.2013.2296558.

Please click here to access more publications

Real-Time Precipitable Water Vapor


Suominet Real Time PWV Results


SuomiNet Access

COCONet - Continuously Operating Caribbean GPS Observational Network


COCONet