    Topic:  GOES-17 SEISS MPS-LO Electron and Ion Microchannel Plate (MCP) HV Bias Calibration (impacts SEISS)

    Date/Time Issued: March 16, 2020 1510Z

    Product(s) or Data Impacted: GOES-17 SEISS MPS-LO

    Date/Time of Initial Impact: March 16, 2020 1500Z

    Date/Time of Expected End: March 17, 2020 1730Z

    Length of Outage: 26 hours of product degradation

    Details/Specifics of Change:  A GOES-17 (GOES-WEST) SEISS MPS-LO Electron and Ion Microchannel Plate (MCP) HV Bias Calibration will be performed from March 16, 2020 15:00 UTC to March 17, 2020 17:30UTC. The calibration will consist of 2 hours of commanding followed by a 24 hour power off of the MPS-LO Deflection Electrode High Voltage (required for performance data collection). SEISS MPS-LO will experience data degradation during this 26 hour period until the Deflection Electrode High Voltage is powered back on returning the sensor to nominal operation.

    Contact Information for Further Information: ESPC Operations at
    ESPCOperations@noaa.gov at 301-817-3880

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