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NOUS40 KWBC 281719
FOS/NOAAPORT NOTICE NO. 1676 APRIL 28... 2000
ATTENTION FAMILY OF SERVICES SUBSCRIBERS
NOAAPORT USERS
SUBJECT GOES NORTHERN HEMISPHERE SCAN CHANGES UPDATE
REFERENCE FOS/NOAAPORT NOTICE NO. 1668
THIS NOTICE IS POSTED ON THE SOC CHANGE
NOTICE WEB PAGE AT HTTP/COLON///WWW.NWS.NOAA.
GOV/OSO/NOTICES/NOTICE.SHTML
IT WAS DETERMINED LATE ON 4/26/00 THAT THE IMPACT OF THESE
CHANGES ON INGEST/DISPLAY SYSTEMS WAS FAR GREATER THAN
PREVIOUSLY BELIEVED.
AS A RESULT... WE HAVE BEEN FORCED TO DELAY THE SCHEDULED
CHANGE TO THE GOES-10 NORTHERN HEMISPHERE SECTOR FOR AT
LEAST TWO WEEKS. WE WILL ALSO BE UNABLE TO SUPPORT REQUESTS
FOR RSO OR SRSO OPERATIONS FOR THOSE TWO WEEKS. THESE
ACTIONS ARE BEING TAKEN TO PRECLUDE THE HIGH PROBABILITY
OF MAJOR LOSS OF DATA... PARTICULARLY FOR THE NOAAPORT/AWIPS
USERS... WITH OUR CURRENT INGEST SOFTWARE. A MAJOR
REPROGRAMMING EFFORT IS UNDERWAY HERE TO SUPPORT THE
CHANGES ON OUR GINI AND MCIDAS INGEST AND PROCESSING SYSTEMS.
A MAJOR REPROGRAMMING EFFORT IS ALSO UNDERWAY HERE TO
MODIFY OUR GOES-8 GINI AND MCIDAS SOFTWARE INGEST AND
PROCESSING SYSTEMS. THE CURRENT ESTIMATE OF THE LEVEL OF
EFFORT FOR GOES-8 IS THAT THE MODIFICATIONS CAN BE PERFORMED
IN TIME FOR THE MONDAY EVENING IMPLEMENTATIONS OF THE NEW
SCANNING SCHEDULES BY NESDIS/SOCC. IF THIS EFFORT IS
UNSUCCESSFUL... THE PROCESSING OF RSO AND SRSO GOES-8 DATA
WILL BE AT RISK UNTIL THE REPROGRAMMING EFFORT IS COMPLETE.
THE ROUTINE AND FULL DISK SCHEDULES ARE MINIMALLY IMPACTED
BY THESE CHANGES.
THE FOLLOWING INFORMATION IF PROVIDED FOR THOSE WHO MUST
MAKE MODIFICATIONS ON THEIR OWN INGEST/PROCESSING SOFTWARE.
THE LINE/PIXEL CORNER BOUNDARIES FOR THE GOES-EAST AND
GOES-WEST NORTH HEMISPHERES BEING REDEFINED ARE
GOES-EAST
START/END LINES 3096/8080 START/END PIXELS 9052/22900
GOES-WEST
START/END LINES 2472/7888 START/END PIXELS 7890/21130
AS STATED ABOVE... THE IMPLEMENTATION FOR GOES-WEST /GOES-10/
IN THE ROUTINE SCHEDULE IS BEING DELAYED AT LEAST TWO WEEKS.
USERS WILL BE NOTIFIED WHEN THE CHANGES WILL BE PLACED INTO
EFFECT FOR GOES-WEST.
THESE SECTOR CHANGES FOR GOES-EAST /GOES-8/ WILL GO INTO
EFFECT MONDAY EVENING FOR THE SCHEDULES IN EFFECT AFTER
0000 UTC TUESDAY. THE GOES-WEST NORTH HEMISPHERE CORNER
CHANGES... HAD THEY GONE IN BY MONDAY... WOULD HAVE CAUSED
OUTAGES ON THE GOES-WEST AWIPS PACUS... NORTH HEMI... SUPERN...
ALASKA NATIONAL REGIONAL... AND HAWAII NATIONAL
SECTORS... AND FULL DISK... NORTH HEMISPHERE... AND PACUS
OUTAGES ON THE STANDARD /NON-AWIPS/ OPERATIONS SIDE.
WE WILL ATTEMPT TO COMPLETE THE GOES-EAST INGESTOR AND
GOES-EAST GINI2 /REMAP/ SYSTEM CODE MODIFICATIONS REQUIRED
BY THE CORRESPONDING NORTH HEMISPHERE CHANGE THROUGH
THIS WEEKEND TO MEET THE MONDAY DEADLINE. AWIPS USER S
SHOULD BE NOTIFIED THAT GOES-EAST AWIPS CONUS... NORTH HEMI...
SUPERN... AND PUERTO RICO NATIONAL SECTORS COULD BE
NEGATIVELY AFFECTED. SSD S/NON-AWIPS/I.E. MCIDAS/ STANDARD
OPERATIONAL USERS SHOULD BE NOTIFIED THAT CONUS AND NORTHERN
HEMISPHERE RAW AND REMAP SECTORS COULD BE NEGATIVELY
IMPACTED.
STEVE ARNETT
SATELLITE ANALYSIS BRANCH
NOAA/NESDIS/SSD
STEVE.ARNETT/AT SYMBOL/NOAA.GOV
/301/ 763-8051 EXT 109
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