^M ^M ^M ^M ^M Update#3:M-BNOAA-20^M will remove VIIRS M07 (APID 806) from the HRD data products on Dec^M 19, 2018, during a planned Svalbard contact time ofM-B17:56:03 -^M 18:07:12 UTC (Rev 5624).
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^M Update#2:
NOAA-20 will restore APID 807 to HRD data stream^M and revert to the HRD configuration in place prior to Dec 3 during^M Svalbard contact 5412 [19:19:46--19:30:30 UTC]^M

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^M Update #1:
NOAA-20 will remove VIIRS M07 from the^M HRD data products on Dec 3, 2018, during a planned Svalbard^M contact time ofM-B 17:56:09 UTC -- 18:07:18 UTC (Rev 5397).^M
This^M removal will be executed by an updated table 103 upload during^M this contact.
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Please^M contact theM-BSPSD User Services or ESPC Help Desk if any issues^M arise following this HRD product change.
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Topic: Removing Data from NOAA-20 (JPSS-1) High Rate Data Direct Broadcast^M ^M
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Date/Time Issued: December 19, 2018 1630Z^M ^M ^M

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Product(s) or Data Impacted: The NOAA-20 High Rate Data (HRD) Direct Broadcast data stream. To mitigate impacts to users due to data dropouts experienced on the NOAA-20 HRD since May 2018, data products associated with Visible Infrared Imaging Radiometer Suite (VIIRS) M07 will be removed. An analysis will be conducted for about one week. If users are still being impacted, then one option is to remove the Cross-track Infrared Sounder (CrIS) Field of View #4 (FOV 4) and FOV 6 as well.^M ^M ^M

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Date/Time of Initial Impact: Tentatively scheduled to occur in early December 2018^M ^M ^M

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Date/Time of Expected End: M-BN/A^M ^M ^M

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Length of Event: M-BN/A^M ^M ^M

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Details/Specifics of Change: On May 3, 2018, products with the following application process IDs (APID) associated with the Visible Infrared Imaging Radiometer Suite (VIIRS) M07 and Cross-track Infrared Sounder (CrIS) Field of View #4 (FOV 4) and FOV 6 were added to the NOAA-20 HRD data stream. This action was taken so that the data products on HRD would match the data products on the Stored Mission Data (SMD). ^M ^M 806 M-bM-^@M-^S HRD M-bM-^@M-^S M07 (Operational Day and Night)^M 1318 M-bM-^@M-^S LW4 M-bM-^@M-^S Earth Scene^M 1320 M-bM-^@M-^S LW6 M-bM-^@M-^S Earth Scene^M 1327 M-bM-^@M-^S MW4 M-bM-^@M-^S Earth Scene^M 1329 M-bM-^@M-^S MW6 M-bM-^@M-^S Earth Scene^M 1336 M-bM-^@M-^S SW4 M-bM-^@M-^S Earth Scene^M 1338 M-bM-^@M-^S SW6 M-bM-^@M-^S Earth Scene^M 1345 M-bM-^@M-^S LW4 M-bM-^@M-^S Deep Space^M 1347 M-bM-^@M-^S LW6 M-bM-^@M-^S Deep Space^M 1354 M-bM-^@M-^S MW4 M-bM-^@M-^S Deep Space^M 1356 M-bM-^@M-^S MW6 M-bM-^@M-^S Deep Space^M 1363 M-bM-^@M-^S SW4 M-bM-^@M-^S Deep Space^M 1365 M-bM-^@M-^S SW6 M-bM-^@M-^S Deep Space^M 1372 M-bM-^@M-^S LW4 M-bM-^@M-^S Internal Cal Target^M 1374 M-bM-^@M-^S LW6 M-bM-^@M-^S Internal Cal Target^M 1381 M-bM-^@M-^S MW4 M-bM-^@M-^S Internal Cal Target^M 1383 M-bM-^@M-^S MW6 M-bM-^@M-^S Internal Cal Target^M 1390 M-bM-^@M-^S SW4 M-bM-^@M-^S Internal Cal Target^M 1392 M-bM-^@M-^S SW6 M-bM-^@M-^S Internal Cal Target^M ^M After the data products were added, the NOAA-20 telemetry indicated that packets were being dropped due the data flow exceeding the 15 Mbps HRD data rate. Analysis of data products generated from several HRD receive stations indicated that VIIRS, CrIS, and ATMS product quality was impacted by the dropped packets. To mitigate the impact to users, data products associated with VIIRS M07 will be removed and the HRD performance will be analyzed for about one week. After that analysis period, if users are still being impacted, then the Office of Satellite and Product Operations (OSPO) will consider removing the CrIS FOV 4 and FOV 6.^M ^M The impact of the NOAA-20 HRD data dropouts to users will be discussed at the HRD User Group meeting on November 8, 2018. NOAA-20 satellite product users who would like to participate in that meeting should contact Jim McNitt, HRD User Group Chairman, at james.mcnitt@noaa.gov.^M ^M Another ESPC Notification will be released 24 hours to 72 hours prior to implementing the configuration change.^M ^M ^M

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Contact Information for Further Information: SPSD User Services spsd.userservices@noaa.gov^M ^M ^M

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Web Site(s) for applicable information: N/A

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This message was sent to ESPC.Notification@noaa.gov. You have been sent this and other notifications because you have opted in to receive it. If for any reason, you wish to unsubscribe, please contact ESPC Help Desk at ESPCOperations@noaa.gov or (301) 817-3880. Please note: it may take up to two business days to process your unsubscribe request.

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