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NOAA-18 AMSU-A

27 Jul 2026 - 06:22 ET / 10:22 UTC

This instrument ceased to operate on 6/6/2025

Select a parameter:

Global Image

NEΔT

Gain

Space View Count

Warm Load Count

Mixer/IF Amplifier Temperature

Local Oscillator Temperature

PRT Temperature

Instrument Temperature

Analog Telemetry

Data Quality Flag

TDR 60S-60N O-B Ta Bias (GPS-RO)

Select a Date:

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Metric Finder
Global Image - Channel 1
Global Image - Channel 2
Global Image - Channel 3
Global Image - Channel 4
Global Image - Channel 5
Global Image - Channel 6
Global Image - Channel 7
Global Image - Channel 8
Global Image - Channel 9
Global Image - Channel 10
Global Image - Channel 11
Global Image - Channel 12
Global Image - Channel 13
Global Image - Channel 14
Global Image - Channel 15
NEΔT - 10-Day Snapshot
NEΔT - Channel 1
NEΔT - Channel 2
NEΔT - Channel 3
NEΔT - Channel 4
NEΔT - Channel 5
NEΔT - Channel 6
NEΔT - Channel 7
NEΔT - Channel 8
NEΔT - Channel 9
NEΔT - Channel 10
NEΔT - Channel 11
NEΔT - Channel 12
NEΔT - Channel 13
NEΔT - Channel 14
NEΔT - Channel 15
Gain - 10-Day Snapshot
Gain - Channel 1
Gain - Channel 2
Gain - Channel 3
Gain - Channel 4
Gain - Channel 5
Gain - Channel 6
Gain - Channel 7
Gain - Channel 8
Gain - Channel 9
Gain - Channel 10
Gain - Channel 11
Gain - Channel 12
Gain - Channel 13
Gain - Channel 14
Gain - Channel 15
Space View Count - 10-Day Snapshot
Space View Count - Channel 1
Space View Count - Channel 2
Space View Count - Channel 3
Space View Count - Channel 4
Space View Count - Channel 5
Space View Count - Channel 6
Space View Count - Channel 7
Space View Count - Channel 8
Space View Count - Channel 9
Space View Count - Channel 10
Space View Count - Channel 11
Space View Count - Channel 12
Space View Count - Channel 13
Space View Count - Channel 14
Space View Count - Channel 15
Warm Load Count - 10-Day Snapshot
Warm Load Count - Channel 1
Warm Load Count - Channel 2
Warm Load Count - Channel 3
Warm Load Count - Channel 4
Warm Load Count - Channel 5
Warm Load Count - Channel 6
Warm Load Count - Channel 7
Warm Load Count - Channel 8
Warm Load Count - Channel 9
Warm Load Count - Channel 10
Warm Load Count - Channel 11
Warm Load Count - Channel 12
Warm Load Count - Channel 13
Warm Load Count - Channel 14
Warm Load Count - Channel 15
Mixer/IF Amplifier Temperature - Channel 1
Mixer/IF Amplifier Temperature - Channel 2
Mixer/IF Amplifier Temperature - Channel 3
Mixer/IF Amplifier Temperature - Channel 4
Mixer/IF Amplifier Temperature - Channel 5
Mixer/IF Amplifier Temperature - Channel 6
Mixer/IF Amplifier Temperature - Channel 7
Mixer/IF Amplifier Temperature - Channel 8
Mixer/IF Amplifier Temperature - Channel 9
Mixer/IF Amplifier Temperature - Channel 10
Mixer/IF Amplifier Temperature - Channel 11
Mixer/IF Amplifier Temperature - Channel 12
Mixer/IF Amplifier Temperature - Channel 13
Mixer/IF Amplifier Temperature - Channel 14
Mixer/IF Amplifier Temperature - Channel 15
Local Oscillator Temperature - Channel 1
Local Oscillator Temperature - Channel 2
Local Oscillator Temperature - Channel 3
Local Oscillator Temperature - Channel 4
Local Oscillator Temperature - Channel 5
Local Oscillator Temperature - Channel 6
Local Oscillator Temperature - Channel 7
Local Oscillator Temperature - Channel 8
Local Oscillator Temperature - Channel 9-14 #1
Local Oscillator Temperature - Channel 9-14 #2
Local Oscillator Temperature - Channel 15
PRT Temperature - A1-1
PRT Temperature - A1-2
PRT Temperature - A2
Instrument Temperature - RF MUX Temperature
Instrument Temperature - RF Shelf Temperature
Instrument Temperature - Scan Motor Temperature
Instrument Temperature - Feedhorn Temperature
Instrument Temperature - Detector/Preamp Assembly Temperature
Instrument Temperature - DC/DC Converter Temperature
Analog Telemetry - A1-1 Antenna Drive Motor Current
Analog Telemetry - A1-2 Antenna Drive Motor Current
Analog Telemetry - A1 Signal Processing (+15 VDC)
Analog Telemetry - A1 Antenna Drive (+15 VDC)
Analog Telemetry - A1 Signal Processing (-15 VDC)
Analog Telemetry - A1 Antenna Drive (-15 VDC)
Analog Telemetry - A1 Receiver Amplifiers (+8 VDC)
Analog Telemetry - A1 Signal Processing (+5 VDC)
Analog Telemetry - A1 Antenna Drive (+5 VDC)
Analog Telemetry - A1 Receiver Mixer/IF (+10 VDC)
Analog Telemetry - A1 Phase Lock Loop Ch 9/14 (+15 VDC)
Analog Telemetry - A1 Phase Lock Loop Ch 9/14 (-15 VDC)
Analog Telemetry - Ch 3 L.O. Voltage (50.3 GHz)
Analog Telemetry - Ch 4 L.O. Voltage (52.8 GHz)
Analog Telemetry - Ch 5 L.O. Voltage (53.596 GHz)
Analog Telemetry - Ch 6 L.O. Voltage (54.4 GHz)
Analog Telemetry - Ch 7 L.O. Voltage (54.94 GHz)
Analog Telemetry - Ch 8 L.O. Voltage (55.5 GHz)
Analog Telemetry - A1 PLLO Primary Lock Detect (PLO #1)
Analog Telemetry - A1 PLLO Redundant Lock Detect (PLO #2)
Analog Telemetry - Ch 15 GDO Voltage (89.0 GHz)
Analog Telemetry - A2 Compensator Motor Current
Analog Telemetry - A2 Antenna Motor Current
Analog Telemetry - A2 Signal Processing (+15 VDC)
Analog Telemetry - A2 Antenna Drive (+15 VDC)
Analog Telemetry - A2 Signal Processing (-15 VDC)
Analog Telemetry - A2 Antenna Drive (-15 VDC)
Analog Telemetry - A2 Receiver/Mixer/IF Amplifiers (+10 VDC)
Analog Telemetry - A2 Signal Processing (+5 VDC)
Analog Telemetry - A2 Antenna Drive (+5 VDC)
Analog Telemetry - Ch 1 L.O. Voltage (23.8 GHz)
Analog Telemetry - Ch 2 L.O. Voltage (31.4 GHz)
Data Quality Flag - Quality Indicator
Data Quality Flag - Scan Line QFs [Time Problem Code]
Data Quality Flag - Scan Line QFs [Calibration Problem Code]
Data Quality Flag - Scan Line QFs [Earth Location Problem Code]
Data Quality Flag - Calibration QF - Channel 1
Data Quality Flag - Calibration QF - Channel 2
Data Quality Flag - Calibration QF - Channel 3
Data Quality Flag - Calibration QF - Channel 4
Data Quality Flag - Calibration QF - Channel 5
Data Quality Flag - Calibration QF - Channel 6
Data Quality Flag - Calibration QF - Channel 7
Data Quality Flag - Calibration QF - Channel 8
Data Quality Flag - Calibration QF - Channel 9
Data Quality Flag - Calibration QF - Channel 10
Data Quality Flag - Calibration QF - Channel 11
Data Quality Flag - Calibration QF - Channel 12
Data Quality Flag - Calibration QF - Channel 13
Data Quality Flag - Calibration QF - Channel 14
Data Quality Flag - Calibration QF - Channel 15
TDR 60S-60N O-B Ta Bias (GPS-RO) - Chs 2-14 - Daily Bias Map
TDR 60S-60N O-B Ta Bias (GPS-RO) - Chs 2-14 - Daily-Mean Bias Time Series
TDR 60S-60N O-B Ta Bias (GPS-RO) - Chs 2-14 - Month-Accumulated Bias Map
TDR 60S-60N O-B Ta Bias (GPS-RO) - Chs 2-14 - Month-Accumulated Bias Histogram
TDR 60S-60N O-B Ta Bias (GPS-RO) - Chs 5-14 - Monthly-Mean Latitudinal Mean Bias
TDR 60S-60N O-B Ta Bias (GPS-RO) - Chs 2-14 - Monthly-Mean Bias Time Series

Metric Finder

Global Image - Channel 1

Global Image - Channel 2

Global Image - Channel 3

Global Image - Channel 4

Global Image - Channel 5

Global Image - Channel 6

Global Image - Channel 7

Global Image - Channel 8

Global Image - Channel 9

Global Image - Channel 10

Global Image - Channel 11

Global Image - Channel 12

Global Image - Channel 13

Global Image - Channel 14

Global Image - Channel 15

NEΔT - 10-Day Snapshot

Gain - 10-Day Snapshot

Space View Count - 10-Day Snapshot

Space View Count - Channel 1

Space View Count - Channel 2

Space View Count - Channel 3

Space View Count - Channel 4

Space View Count - Channel 5

Space View Count - Channel 6

Space View Count - Channel 7

Space View Count - Channel 8

Space View Count - Channel 9

Space View Count - Channel 10

Space View Count - Channel 11

Space View Count - Channel 12

Space View Count - Channel 13

Space View Count - Channel 14

Space View Count - Channel 15

Warm Load Count - 10-Day Snapshot

Warm Load Count - Channel 1

Warm Load Count - Channel 2

Warm Load Count - Channel 3

Warm Load Count - Channel 4

Warm Load Count - Channel 5

Warm Load Count - Channel 6

Warm Load Count - Channel 7

Warm Load Count - Channel 8

Warm Load Count - Channel 9

Warm Load Count - Channel 10

Warm Load Count - Channel 11

Warm Load Count - Channel 12

Warm Load Count - Channel 13

Warm Load Count - Channel 14

Warm Load Count - Channel 15

Mixer/IF Amplifier Temperature - Channel 1

Mixer/IF Amplifier Temperature - Channel 2

Mixer/IF Amplifier Temperature - Channel 3

Mixer/IF Amplifier Temperature - Channel 4

Mixer/IF Amplifier Temperature - Channel 5

Mixer/IF Amplifier Temperature - Channel 6

Mixer/IF Amplifier Temperature - Channel 7

Mixer/IF Amplifier Temperature - Channel 8

Mixer/IF Amplifier Temperature - Channel 9

Mixer/IF Amplifier Temperature - Channel 10

Mixer/IF Amplifier Temperature - Channel 11

Mixer/IF Amplifier Temperature - Channel 12

Mixer/IF Amplifier Temperature - Channel 13

Mixer/IF Amplifier Temperature - Channel 14

Mixer/IF Amplifier Temperature - Channel 15

Local Oscillator Temperature - Channel 1

Local Oscillator Temperature - Channel 2

Local Oscillator Temperature - Channel 3

Local Oscillator Temperature - Channel 4

Local Oscillator Temperature - Channel 5

Local Oscillator Temperature - Channel 6

Local Oscillator Temperature - Channel 7

Local Oscillator Temperature - Channel 8

Local Oscillator Temperature - Channel 9-14 #1

Local Oscillator Temperature - Channel 9-14 #2

Local Oscillator Temperature - Channel 15

PRT Temperature - A1-1

PRT Temperature - A1-2

PRT Temperature - A2

Instrument Temperature - RF MUX Temperature

Instrument Temperature - RF Shelf Temperature

Instrument Temperature - Scan Motor Temperature

Instrument Temperature - Feedhorn Temperature

Instrument Temperature - Detector/Preamp Assembly Temperature

Instrument Temperature - DC/DC Converter Temperature

Analog Telemetry - A1-1 Antenna Drive Motor Current

Analog Telemetry - A1-2 Antenna Drive Motor Current

Analog Telemetry - A1 Signal Processing (+15 VDC)

Analog Telemetry - A1 Antenna Drive (+15 VDC)

Analog Telemetry - A1 Signal Processing (-15 VDC)

Analog Telemetry - A1 Antenna Drive (-15 VDC)

Analog Telemetry - A1 Receiver Amplifiers (+8 VDC)

Analog Telemetry - A1 Signal Processing (+5 VDC)

Analog Telemetry - A1 Antenna Drive (+5 VDC)

Analog Telemetry - A1 Receiver Mixer/IF (+10 VDC)

Analog Telemetry - A1 Phase Lock Loop Ch 9/14 (+15 VDC)

Analog Telemetry - A1 Phase Lock Loop Ch 9/14 (-15 VDC)

Analog Telemetry - Ch 3 L.O. Voltage (50.3 GHz)

Analog Telemetry - Ch 4 L.O. Voltage (52.8 GHz)

Analog Telemetry - Ch 5 L.O. Voltage (53.596 GHz)

Analog Telemetry - Ch 6 L.O. Voltage (54.4 GHz)

Analog Telemetry - Ch 7 L.O. Voltage (54.94 GHz)

Analog Telemetry - Ch 8 L.O. Voltage (55.5 GHz)

Analog Telemetry - A1 PLLO Primary Lock Detect (PLO #1)

Analog Telemetry - A1 PLLO Redundant Lock Detect (PLO #2)

Analog Telemetry - Ch 15 GDO Voltage (89.0 GHz)

Analog Telemetry - A2 Compensator Motor Current

Analog Telemetry - A2 Antenna Motor Current

Analog Telemetry - A2 Signal Processing (+15 VDC)

Analog Telemetry - A2 Antenna Drive (+15 VDC)

Analog Telemetry - A2 Signal Processing (-15 VDC)

Analog Telemetry - A2 Antenna Drive (-15 VDC)

Analog Telemetry - A2 Receiver/Mixer/IF Amplifiers (+10 VDC)

Analog Telemetry - A2 Signal Processing (+5 VDC)

Analog Telemetry - A2 Antenna Drive (+5 VDC)

Analog Telemetry - Ch 1 L.O. Voltage (23.8 GHz)

Analog Telemetry - Ch 2 L.O. Voltage (31.4 GHz)

Data Quality Flag - Quality Indicator

Data Quality Flag - Scan Line QFs [Time Problem Code]

Data Quality Flag - Scan Line QFs [Calibration Problem Code]

Data Quality Flag - Scan Line QFs [Earth Location Problem Code]

Data Quality Flag - Calibration QF - Channel 1

Data Quality Flag - Calibration QF - Channel 2

Data Quality Flag - Calibration QF - Channel 3

Data Quality Flag - Calibration QF - Channel 4

Data Quality Flag - Calibration QF - Channel 5

Data Quality Flag - Calibration QF - Channel 6

Data Quality Flag - Calibration QF - Channel 7

Data Quality Flag - Calibration QF - Channel 8

Data Quality Flag - Calibration QF - Channel 9

Data Quality Flag - Calibration QF - Channel 10

Data Quality Flag - Calibration QF - Channel 11

Data Quality Flag - Calibration QF - Channel 12

Data Quality Flag - Calibration QF - Channel 13

Data Quality Flag - Calibration QF - Channel 14

Data Quality Flag - Calibration QF - Channel 15

TDR 60S-60N O-B Ta Bias (GPS-RO) - Chs 2-14 - Daily Bias Map

TDR 60S-60N O-B Ta Bias (GPS-RO) - Chs 2-14 - Daily-Mean Bias Time Series

TDR 60S-60N O-B Ta Bias (GPS-RO) - Chs 2-14 - Month-Accumulated Bias Map

TDR 60S-60N O-B Ta Bias (GPS-RO) - Chs 2-14 - Month-Accumulated Bias Histogram

TDR 60S-60N O-B Ta Bias (GPS-RO) - Chs 5-14 - Monthly-Mean Latitudinal Mean Bias

TDR 60S-60N O-B Ta Bias (GPS-RO) - Chs 2-14 - Monthly-Mean Bias Time Series