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462 NOUS40 KWBC 091932 FOS NOTICE NO. 1030 01-09-97 SUBJECT GOES-8 OPERATIONS OUTAGE AT APPROXIMATELY 1330 UTC...GOES-8 LOST EARTH LOCK AND ITS ON BOARD SOFTWARE WENT TO SAFE MODE . AFTER TELEMETRY WAS REESTABLISHED...SOCC CONTROLLERS...PER APPROVED CONTINGENCY PROCEDURES...PLACED GOES-8 IN SAFE HOLD WHICH POINTS THE SOLAR ARRAY AT THE SUN FOR MAXIMUM POWER. GOES-8 IS IN A STABLE ATTITUDE...SUN POINTING AND NOT PROVIDING ENVIRONMENTAL DATA. ALL USER OPERATIONS...INCLUDING PRIMARY IMAGING AND SOUNDING FUNCTIONS WILL BE CANCELED UNTIL FURTHER NOTICE. TO FILL THE DATA VOID...GOES-9 FULL DISK OPERATIONS WILL COMMENCE AT 1600 UTC. EQUIVALENT GOES-8 GOES-TAP PRODUCTS WILL BE GENERATED FROM GOES-9 FULL DISK DATA AND DISSEMINATED ON GOES-8 CIRCUITS. CURRENTLY...THE MOST LIKELY CAUSE IS BELIEVED TO BE SOME TYPE OF ELECTROSTATIC DISCHARGE /ESD/ THAT HAS CAUSED ATTITUDE AND ORBIT CONTROL ELECTRONICS /AOCE 2/ TO MALFUNCTION. NESDIS SATELLITE OPERATIONS CONTROL CENTER ENGINEERS ARE DILIGENTLY ANALYZING THE SITUATION AND WORKING TOWARDS A SPEEDY RECOVERY. IF ALL GOES WELL AND THERE IS NO PERMANENT DAMAGE...GOES-8 CAN BE RETURNED TO FULL SERVICE WITHIN 24 HOURS. NESDIS WILL PROVIDE UPDATES AS MORE INFORMATION BECOMES AVAILABLE. ...NOTE TO INTERNET USERS... THIS AND ALL OTHER PENDING NWS SERVICE CHANGE NOTIFICATIONS ARE AVAILABLE ON THE NWS OFFICE OF METEOROLOGY/S HOME PAGE IN THE NOTIFICATION SECTION. THE URL ADDRESS OF THE NOTIFICATION SECTION /IN SMALL CASE LETTERS/ IS HTTP //WWW.NWS.NOAA.GOV/OM/NOTIF.HTM END NNNN
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