NOAA Office of Satellite and Product Operations

NOAA 15 CCS Subsystem Summary

Component Description Status
CIU Controls Interface Unit Green
CPC1 Controls Power Converter 1  
CPC2 Controls Power Converter 2  
CPU 1 Central Processing Unit 1 Green
CPU 2 Central Processing Unit 2 Green
CXU CIU Annex Green
DAU1 Decription Authentication Unit -1  
DAU2 Decription Authentication Unit -2  
GRD1 GSTDN Receiver/demodulator #1  
GRD2 GSTDN Receiver/demodulator #2  
RXO 1 Primary Redundant Crystal Oscillator Green
RXO 2 Backup Redundant Crystal Oscillator Green
SCU Signal conditional unit Green

Subsystem History:

Date Time Component Description
07/12/2011 14:33:03   Upload Macro 22 to both SCPs, this macro will power cycle the AMSU-B instrument.
04/22/2010 19:51:00   Disabling the HIRS Filter Motor Housing Heater macros during the warm summer season.
04/20/2010 14:16:00   Load MACRO20 and MACRO21 then start MACRO20.
12/16/2009 16:19:37   Load MACRO1C and MACRO1D, then start MACRO1C. HIRS Filter Wheel Motor toggling.
07/17/2007 17:50:00    
03/28/2006 18:18:00   TIP back to orbit mode with 1 sec bus voltage dwell
03/28/2006 18:17:00   Put GYRO 2 motor current into highspeed dwell for 60 sec
03/28/2006 18:16:00   TIP back to orbit mode with 1 sec bus voltage dwell
03/28/2006 18:15:00   Put GYRO 1 motor current into highspeed dwell for 60 sec
12/31/2005 23:45:00 CPU 2 Substract 0.5 second (500 msecs) from spacecraft command clock CONTROL side compensate for leap second on 1 Jan 06 and general drift throughout the year.
12/31/2005 22:45:00 CPU 1 Substract 0.5 second (500 msecs) from spacecraft command clock NON-CONTROL side. To adjust for leap second aon 1 Jan 06 and general drift that occured over past year.
07/26/2004 19:16:00   Starts Macro 16 to dwell on and test analog TIP channels 224-231.
07/26/2004 19:15:00   Loads macro 16 to dwell on and test test analog channels 224-231 for TOAR 432 investigatio.n
04/21/2004 18:40:00   Sun warning simulation
04/20/2004 15:41:00   Sun warning simulation (disables ESA quadrant for 7 minutes)
04/19/2004 17:47:00   Sun warning simulation (disable ESA quadrant for 7 minutes)
04/19/2004 16:06:00   STARTS SKEW RWA MACRO
03/31/2004 18:35:00   Loads macros for RGryo test
12/06/2002 18:45:00 CPU 2 CPU Memory dump failed to terminate nominally
05/13/1998 16:24:00 SCU On Orbit
05/13/1998 16:24:00 CXU On Orbit
05/13/1998 16:24:00 CPU 2 On Orbit
05/13/1998 16:24:00 CPU 1 On Orbit
05/13/1998 16:24:00 CIU On Orbit
05/13/1998 16:24:00 RXO 2 On Orbit
05/13/1998 16:24:00 RXO 1 On Orbit
09/24/1988 10:36:00 CPU 1 On Orbit