NOAA Office of Satellite and Product Operations

NOAA 18 AMSU-A1 Subsystem Summary

Component Description Status
ANTENNAInstrument antennaGreen
CHANNEL 10Channel #10, 57290.344MHzGreen
CHANNEL 11Channel #11, 57290.344MHzGreen
CHANNEL 12Channel #12, 57290.344MHzGreen
CHANNEL 13Channel #13, 57290.344MHzGreen
CHANNEL 14Channel #14, 57290.344MHzGreen
CHANNEL 15Channel #15, 89.0 GHzGreen
CHANNEL 3Channel #3, 50300MHzGreen
CHANNEL 4Channel #4, 52800MHzGreen
CHANNEL 5Channel #5, 523596MHzYellow
CHANNEL 6Channel #6, 54400MHzGreen
CHANNEL 7Channel #7, 54940MHzGreen
CHANNEL 8Channel #8, 55500MHzYellow
CHANNEL 9Channel #9, 57290.344MHzGreen
GUN DIODE OSCGun Diode OscillatorGreen
PLLO1Phase lock loop oscillator side 1Green
PLLO2Phase lock loop oscillator side 2Green
RF MUXRadio Frequency multiplexerGreen
SCAN MOTORInstrument Scan MotorGreen
SIGNAL PROCESSORSignal ProcessorGreen

Subsystem History:

Date Time Component Description
10/01/2015CHANNEL 5NOAA-18 AMSU-A1 Channel 5 crossed NEdT specification value
09/24/2015CHANNEL 8NOAA-18 AMSU-A1 Channel 8 crossed NEdT specification value
11/14/200721:13:00CHANNEL 9AMSU-A1 Channel 9 was sporatically noisy on 14-15 Nov 2007. It has since returned to normal.
07/26/200517:05:00 Return AMSU-A1 to full scan, test complete.
07/26/200515:40:00 Park AMSU-A1 at warm target to support HIRS TOAR invesitgation
07/25/200517:15:00 Return AMSU-A1 to full scan, test complete.
07/25/200515:47:00 Park AMSU-A1 at warm target to support HIRS TOAR investigation.
06/07/200523:50:00 ASMU-A1 to space view-1
06/05/200517:35:00 Command AMSU-A1 to space view 2
06/03/200517:35:00 AMUS-A1 commanded to space view-3
06/01/200517:55:00 AMSU-A1 commanded to Space View 1
05/24/200517:39:00CHANNEL 9on orbit, operational
05/24/200517:38:15CHANNEL 7on orbit, operational
05/24/200517:38:10CHANNEL 6on orbit, operational
05/24/200517:38:05CHANNEL 5on orbit, operational
05/24/200517:38:00CHANNEL 4on orbit, operational
05/24/200517:37:40CHANNEL 3on orbit, operational
05/24/200517:37:35CHANNEL 15on orbit, operational
05/24/200517:37:30CHANNEL 14on orbit, operational
05/24/200517:37:20CHANNEL 13on orbit, opererational
05/24/200517:37:10CHANNEL 12on orbit, operational
05/24/200517:37:05CHANNEL 11on orbit, operational
05/24/200517:37:00CHANNEL 10on orbit, operational
05/24/200517:36:40ANTENNAAMSU-A1 antenna on orbit
05/24/200517:36:30GUN DIODE OSCAMSU-A1 Gunn Diode on orbit
05/24/200517:36:10MIXER IF AMPAMSU-A1 MIXER IF Amp powered up
05/24/200517:36:00PLLO2AMSU-A1 PLLO2 on orbit
05/24/200517:35:40PLLO1AMSU-A1 PLLO1 on orbit
05/24/200517:35:30RECEIVERAMSU-A1 receiver powered up
05/24/200517:35:20RF MUXAMSU-A1 RF MUX powered up
05/24/200517:35:10SCAN MOTORAMSU-A1 scan motor powered up
05/24/200517:35:00SIGNAL PROCESSORAMSU-A1 signal processor powered up
05/24/200513:38:20CHANNEL 8on orbit, operational
05/20/200511:57:00 AMSU-A1 survival heater nominally turned on, instrument NOT yet powered on.