NEWS AND NOTES SPACE WEATHE R DISTURBS than we expected," says Paul Kint- NASA's Global GPS Network, GP S OPERATIONS ner, professor of electrical and a set of precise GPS receivers On 6 December 2006, a solar computer engineering at Cornell used for a variety of scientific and flare created an unprecedented University . "Now we are con- real-time applications, also was intense solar radio burst caus- cerned more severe consequences affected by this solar disturbance. ing large numbers of receivers to will occur during the next solar These applications include a very stop tracking GPS signals. Using maximum." high-accuracy positioning service specially designed receivers as "This solar radio burst occurred that can provide a user's position sensitive space-weather monitors, with 10- to 20-cm accuracy any- during the solar minimum, yet Cornell University scientists were produced as much as 10 times where in the world, on land, in the able to make the first quantita- air, or in Earth's orbit. more radio noise than the previous tive measurements of the effect of record," says Dale Gary, chair and According to Anthea Coster, earlier solar radio bursts on GPS professor of the physics depart- MI T Haystack Observatory, there receivers.
Bulletin of the American Meteorological Society – American Meteorological Society
Published: Jun 1, 2007