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Topic: GOES-10 to GOES-11 Transition Plan Message Issued: May 10, 2006, 1900 UTC Satellites Impacted: GOES-10 and GOES-11 Products Impacted: GOES-10 and GOES-11 Imager and Sounder Data and Associated Products including AWIPS Date/Time of Initial Impact: On or About June 27, 2006. ----------------------------------------- Details: ***GOES-11 is scheduled to replace GOES-10 as the GOES-West operational spacecraft on June 27, 2006*** (The exact time to be determined, but likely in the 1800-1900Z time frame) This message is to provide additional information on a planned transition from GOES-10 to GOES-11 as the operational GOES-West spacecraft. Characteristics of the Imager and Sounder are similar from GOES-10 to GOES-11 (except GOES-10 is currently operating in a Yaw Flip mode). Additional information can be found at: http://www.osd.noaa.gov/Gvar/gvardownload.htm ). Ground equipment may require adjustments to satellite id. The plans developed are intended to cause as few disruptions to all users who need to acquire the GOES-11 GVAR signal via a ground antenna. An up to date synopsis: (1) GOES-11 is currently being taken out of Z-axis storage and being moved to the 135 degrees West position. (2) As GOES-11 arrives close to 135 degrees West, GOES-11 data will be flowed through GOES-10 communication links (on or about June 27, 2006), thus, GOES-11 data is operational but received through GOES-10 downlink. Users point to GOES-10 to receive GOES-11 data. At this point GOES-11 data are considered operational, but should significant problems occur, GOES-10 data can be reestablished quickly. (3) As GOES-11 is within 1 degree of GOES-10, will turn off GOES-10 signal, and acquire GOES-11 data directly from GOES-11, not GOES-10. Users should not need to repoint their antenna, as the two satellites are very close. (4) Switch ancillary communication services (DCS, LRIT, EMWIN, SAR) from GOES-10 to GOES-11, **date TBD** (5) Pending the successful launch and checkout of GOES-N (launch scheduled for May 20, 2006), GOES-10 will be moved to 60 degrees West at a rate of 0.6 degrees per day for South American support in October 2006. These intricate steps are necessary to provide a continuous flow of data, with minimal impact to users. There should be no need to readjust antenna unless there is a desire to acquire GOES-11 data prior to GOES-11 becoming operational. (We are awaiting on final plans from OSO/SOCC concerning the startup of GOES-11 INR and GVAR) ---------------------------------------- Contact Information: Brian Hughes Satellite Services Division NOAA/NESDIS/OSDPD 301-763-8051 x106 brian.hughes@xxxxxxxx See http://www.ssd.noaa.gov/PS/SATS/messages.html for this and other satellite related messages. See http://www.ssd.noaa.gov for full GOES scanning schedules. ============================================================================== To unsubscribe nws-changes, visit: http://www.unidata.ucar.edu/mailing-list-delete-form.html ==============================================================================
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