NOAA Office of Satellite and Product Operations

NOAA 18 AMSU-A1 Subsystem Summary

Component Description Status
ANTENNA Instrument antenna Green
CHANNEL 03 Channel #3, 50300MHz Green
CHANNEL 04 Channel #4, 52800MHz Green
CHANNEL 05 Channel #5, 523596MHz Green
CHANNEL 06 Channel #6, 54400MHz Green
CHANNEL 07 Channel #7, 54940MHz Green
CHANNEL 08 Channel #8, 55500MHz Green
CHANNEL 09 Channel #9, 57290.344MHz Green
CHANNEL 10 Channel #10, 57290.344MHz Green
CHANNEL 11 Channel #11, 57290.344MHz Green
CHANNEL 12 Channel #12, 57290.344MHz Green
CHANNEL 13 Channel #13, 57290.344MHz Green
CHANNEL 14 Channel #14, 57290.344MHz Green
CHANNEL 15 Channel #15, 89.0 GHz Green
GUN DIODE OSC Gun Diode Oscillator Green
MIXER IF AMP Mixer IF Amp Green
PLLO1 Phase lock loop oscillator side 1 Green
PLLO2 Phase lock loop oscillator side 2 Green
RECEIVER receiver Green
RF MUX Radio Frequency multiplexer Green
SCAN MOTOR Instrument Scan Motor Green
SIGNAL PROCESSOR Signal Processor Green

Subsystem History:

Date Time Component Description
10/01/2015   CHANNEL 8 NOAA-18 AMSU-A1 Channel 5 crossed NEdT specification value
09/24/2015   CHANNEL 8 NOAA-18 AMSU-A1 Channel 8 crossed NEdT specification value
11/14/2007 21:13:00 CHANNEL 9 AMSU-A1 Channel 9 was sporatically noisy on 14-15 Nov 2007. It has since returned to normal.
07/26/2005 17:05:00   Return AMSU-A1 to full scan, test complete.
07/26/2005 15:40:00   Park AMSU-A1 at warm target to support HIRS TOAR invesitgation
07/25/2005 17:15:00   Return AMSU-A1 to full scan, test complete.
07/25/2005 15:47:00   Park AMSU-A1 at warm target to support HIRS TOAR investigation.
06/07/2005 23:50:00   ASMU-A1 to space view-1
06/05/2005 17:35:00   Command AMSU-A1 to space view 2
06/03/2005 17:35:00   AMUS-A1 commanded to space view-3
06/01/2005 17:55:00   AMSU-A1 commanded to Space View 1
05/24/2005 17:39:00 CHANNEL 9 on orbit, operational
05/24/2005 17:38:15 CHANNEL 7 on orbit, operational
05/24/2005 17:38:10 CHANNEL 6 on orbit, operational
05/24/2005 17:38:05 CHANNEL 5 on orbit, operational
05/24/2005 17:38:00 CHANNEL 4 on orbit, operational
05/24/2005 17:37:40 CHANNEL 3 on orbit, operational
05/24/2005 17:37:35 CHANNEL 15 on orbit, operational
05/24/2005 17:37:30 CHANNEL 14 on orbit, operational
05/24/2005 17:37:20 CHANNEL 13 on orbit, opererational
05/24/2005 17:37:10 CHANNEL 12 on orbit, operational
05/24/2005 17:37:05 CHANNEL 11 on orbit, operational
05/24/2005 17:37:00 CHANNEL 10 on orbit, operational
05/24/2005 17:36:40 ANTENNA AMSU-A1 antenna on orbit
05/24/2005 17:36:30 GUN DIODE OSC AMSU-A1 Gunn Diode on orbit
05/24/2005 17:36:10 MIXER IF AMP AMSU-A1 MIXER IF Amp powered up
05/24/2005 17:36:00 PLLO2 AMSU-A1 PLLO2 on orbit
05/24/2005 17:35:40 PLLO1 AMSU-A1 PLLO1 on orbit
05/24/2005 17:35:30 RECEIVER AMSU-A1 receiver powered up
05/24/2005 17:35:20 RF MUX AMSU-A1 RF MUX powered up
05/24/2005 17:35:10 SCAN MOTOR AMSU-A1 scan motor powered up
05/24/2005 17:35:00 SIGNAL PROCESSOR AMSU-A1 signal processor powered up
05/24/2005 13:38:20 CHANNEL 8 on orbit, operational
05/20/2005 11:57:00   AMSU-A1 survival heater nominally turned on, instrument NOT yet powered on.