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NRT Notification Detail

Outage of GRAS level 1b data

DATE: 2009-07-24 12:29
TYPE: NRT-GTS

Description

Dear GRAS SAF GTS user Issued 2009-07-24 12:30 UTC We are currently experiencing an outage of GRAS level 1b data. No GRAS SAF products are currently disseminated. Please see message from Eumetsat below. ---snip--- Dear all, the GRAS Ground Support Network (GRAS GSN) which is responsible for producing the precise orbits and clock error estimates for the satellites of the GPS constellation unfortunately suffers from some problems that currently prohibit the dissemination of their products. As a consequence, the GRAS processing has now become impossible due to the missing GPS constellation data. The last "good" measurements were available for sensing times before 09:33:00 UTC today (24 July 2009). In order to not send out rubbish, we have now stopped the dissemination of the GRAS higher level data products to both Eumetcast and the GTS. Dissemination will resume as soon as the problems at GSN have been fixed, and GRAS data quality is nominal again. Unfortunately, I'm currently not able to give an estimate on when this happen; I will keep you informed as soon as I learn more about tze situation at GSN. We apologize for the inconvenience, Chrstian Marquardt. -- Dr. Christian Marquardt, Polar System Product Expert EUMETSAT, Am Kavalleriesand 31, D-64295 Darmstadt, Germany ---snip--- Best Regards The GRAS SAF Team

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