Topic: M-BGOES-13/14/15/16/17 Fall 2019 Solar RFI predicted times are now available

Date/Time Issued: September 30, 2019 1450 UTC

Product(s) or Data Impacted: GOES-13/14/15/16/17 Imager and Sounder Data plus Ancillary Services (GVAR, SAR, LRIT, EMWIN, DCS, GRB, etc.)

Date/Time of Initial Impact: October 4, 2019 2119 UTC

Date/Time of Expected End: October 18, 2019 2101 UTC

Length of Outage: See table in details

Details/Specifics of Change: The potential for solar radio frequency interference (RFI) with a satellite downlink circuit will occur whenever the Sun passes into the beam of the ground station receiving antenna.

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We received the following information from our Mission Operations Division concerning the potential for outages of the GOES data stream including GVAR (GOES Variable) Imager and Sounder, EMWIN (Emergency Managers Weather Information Network), SAR (Search and Rescue), Low Rate Information Transmission (LRIT), High Rate Information Transmission (HRIT), GOES Data Collection System (DCS), Sensor Data (SD), Telemetry and Command (T&C), Weather Facsimile (WEFAX), Data Collection Platform Report (DCPR), Multi-use data link (MDL), Raw Data Link (RDL), etc.

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The Wallops and Fairbanks Command and Data Acquisition Stations (CDAs) and Environmental Satellite Processing Center (ESPC) receiving antennas may experience periods of Solar RFI as predicted below. Solar RFI can cause loss of telemetry lock and command capability, as well as degradation or loss in the GVAR data.

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Solar RFI predicted times for the Fall 2019:

SPACECRAFT | DATE | TIME | STATION | OPERATIONAL IMPACT
GOES-13 | 10 OCT M-bM-^@M-^S 17 OCT | 2308 - 2336Z | FAIRBANK | T&C
GOES-14 | 5 OCT M-bM-^@M-^S 12 OCT | 1854 - 1905Z | WALLOPS | T&C, EMWIN, MDL
| 6 OCT M-bM-^@M-^S 13 OCT | 1852 - 1904Z | SUITLAND |
| 6 OCT M-bM-^@M-^S 13 OCT | 1852 - 1902Z | FAIRMONT |
GOES-15 | 5 OCT M-bM-^@M-^S 12 OCT | 2035 - 2046Z | WALLOPS | SD, GVAR, T&C, EMWIN, LRIT,
| 5 OCT M-bM-^@M-^S 12 OCT | 2034 - 2045Z | SUITLAND | WEFAX, DCS, DCPR, SAR, MDL
| 5 OCT M-bM-^@M-^S 12 OCT | 2033 - 2045Z | FAIRMONT |
GOES-16 | 5 OCT M-bM-^@M-^S 12 OCT | 1644 - 1655Z | WALLOPS | SAR
| 5 OCT M-bM-^@M-^S 12 OCT | 1643 - 1654Z | SUITLAND |
| 5 OCT M-bM-^@M-^S 12 OCT | 1641 - 1653Z | FAIRMONT |
GOES-17 | 4 OCT M-bM-^@M-^S 10 OCT | 2119 - 2130Z | WALLOPS | RDL, GRB, T&C, HRIT, DCPC,
| 4 OCT M-bM-^@M-^S 11 OCT | 2118 - 2129Z | SUITLAND | SAR
| 4 OCT M-bM-^@M-^S 11 OCT | 2117 - 2128Z | FAIRMONT |
| 10 OCT M-bM-^@M-^S 18 OCT | 2050 - 2101Z | FAIRBANK |

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

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Web Site(s) for applicable information:M-BM-B

See http://www.ssd.noaa.gov/PS/SATS/messages.html for this and other satellite related messages.

See http://www.ospo.noaa.gov/Operations/GOES/schedules.html for full GOES scanning schedules and scan sectors.

See http://www.osd.noaa.gov/GVAR_Downloads/gvar_downloads.html for more GVAR information.

See http://www.noaasis.noaa.gov/ for Direct Services Branch (DSB) information.

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