Subject: Administrative: Update #1: SNPP 1394 Diagnostic Activities This is a multi-part message in MIME format. --------------020905080407080109060106 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit *Update #1: *1394 Bus A diagnostics were completed successfully on 9/9. The Bus B diagnostics planned for 9/10/2013 were canceled due to issues with the ground system prior to the activity. The 1394 Bus B diagnostics will be conducted at a future TBD date. A new notice will be generated prior to conducting the 1394 Bus B diagnostics. * Topic: *SNPP 1394 Diagnostic Activities *Date/Time Issued:*September 10, 2013 19:38:00 UTC *Product(s) or Data Impacted: *There should be no impact to instrument science data. *Date/Time of Initial Impact: *September 9,2013 15:29UTC *Date/Time of Expected End: *September 10,2013 15:29UTC *Length of Outage: *Approximately 36 Minutes over two days *Details/Specifics of Change: *After a 1394 bus B reset on 2013/7/15, the bus appears to be operating properly, but diagnostic and reset activities were requested by the vendor.The 1394 bus A will be examined the first day, which is currently the backup.The 1394 bus B will be examined the second day, after selecting bus A as the active bus, then returning to bus B after diagnostic examination is complete.We will perform the bus A diagnostic activities on a TRDSS-E pass on 9/9/2013 from 15:29:00 to 15:46:00.We will perform the bus B diagnostic activities on a TDRSS-E pass on 9/10/2013 from 15:10:00 to 15:29:00. * Contact Information for Further Information:*ESPC Operations at ESPCOperations@noaa.gov at 301-817-3880 *Web Site(s) for applicable information:*N/A --------------020905080407080109060106 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Update #1: 1394 Bus A diagnostics were completed successfully on 9/9.  The Bus B diagnostics planned for 9/10/2013 were canceled due to issues with the ground system prior to the activity.  The 1394 Bus B diagnostics will be conducted at a future TBD date.  A new notice will be generated prior to conducting the 1394 Bus B diagnostics.

Topic:  SNPP 1394 Diagnostic Activities

Date/Time Issued: September 10, 2013 19:38:00 UTC

Product(s) or Data Impacted:  There should be no impact to instrument science data.

Date/Time of Initial Impact: September 9,2013 15:29 UTC

Date/Time of Expected End:  September 10,2013 15:29 UTC

Length of Outage:  Approximately 36 Minutes over two days

Details/Specifics of Change:  After a 1394 bus B reset on 2013/7/15, the bus appears to be operating properly, but diagnostic and reset activities were requested by the vendor.  The 1394 bus A will be examined the first day, which is currently the backup.  The 1394 bus B will be examined the second day, after selecting bus A as the active bus, then returning to bus B after diagnostic examination is complete.  We will perform the bus A diagnostic activities on a TRDSS-E pass on 9/9/2013 from 15:29:00 to 15:46:00.  We will perform the bus B diagnostic activities on a TDRSS-E pass on 9/10/2013 from 15:10:00 to 15:29:00.


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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