NOAA Office of Satellite and Product Operations

NOAA 15 CCS Subsystem Summary

Component Description Status
CIUControls Interface UnitGreen
CPC1Controls Power Converter 1Green
CPC2Controls Power Converter 2Green
CPU 1Central Processing Unit 1Green
CPU 2Central Processing Unit 2Green
CXUCIU AnnexGreen
DAU1Decription Authentication Unit -1Green
DAU2Decription Authentication Unit -2Green
GRD1GSTDN Receiver/demodulator #1Green
GRD2GSTDN Receiver/demodulator #2Green
RXO 1Primary Redundant Crystal OscillatorGreen
RXO 2Backup Redundant Crystal OscillatorGreen
SCUSignal conditional unitGreen


Subsystem History:

Date Time Component Description
07/12/201114:33:03 Upload Macro 22 to both SCPs, this macro will power cycle the AMSU-B instrument.
04/22/201019:51:00 Disabling the HIRS Filter Motor Housing Heater macros during the warm summer season.
04/20/201014:16:00 Load MACRO20 and MACRO21 then start MACRO20.
12/16/200916:19:37 Load MACRO1C and MACRO1D, then start MACRO1C. HIRS Filter Wheel Motor toggling.
07/17/200717:50:00 
03/28/200618:18:00 TIP back to orbit mode with 1 sec bus voltage dwell
03/28/200618:17:00 Put GYRO 2 motor current into highspeed dwell for 60 sec
03/28/200618:16:00 TIP back to orbit mode with 1 sec bus voltage dwell
03/28/200618:15:00 Put GYRO 1 motor current into highspeed dwell for 60 sec
12/31/200523:45:00CPU 2Substract 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.
12/31/200522:45:00CPU 1Substract 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.
07/26/200419:16:00 Starts Macro 16 to dwell on and test analog TIP channels 224-231.
07/26/200419:15:00 Loads macro 16 to dwell on and test test analog channels 224-231 for TOAR 432 investigatio.n
04/21/200418:40:00  Sun warning simulation
04/20/200415:41:00 Sun warning simulation (disables ESA quadrant for 7 minutes)
04/19/200417:47:00 Sun warning simulation (disable ESA quadrant for 7 minutes)
04/19/200416:06:00 STARTS SKEW RWA MACRO
03/31/200418:35:00 Loads macros for RGryo test
12/06/200218:45:00CPU 2CPU Memory dump failed to terminate nominally
05/13/199816:24:00RXO 1On Orbit
05/13/199816:24:00RXO 2On Orbit
05/13/199816:24:00CIUOn Orbit
05/13/199816:24:00CPU 1On Orbit
05/13/199816:24:00CPU 2On Orbit
05/13/199816:24:00CXUOn Orbit
05/13/199816:24:00SCUOn Orbit
09/24/198810:36:00CPU 1On Orbit