NOAA 18 AMSU-A1 Subsystem Summary

Component	Description	Status
ANTENNA	Instrument antenna	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
CHANNEL 3	Channel #3, 50300MHz	Green
CHANNEL 4	Channel #4, 52800MHz	Green
CHANNEL 5	Channel #5, 523596MHz	Yellow
CHANNEL 6	Channel #6, 54400MHz	Green
CHANNEL 7	Channel #7, 54940MHz	Green
CHANNEL 8	Channel #8, 55500MHz	Yellow
CHANNEL 9	Channel #9, 57290.344MHz	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 5	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.