TOPEX ALTIMETER SENSOR DATA RECORD

TOPEX ALTIMETER SENSOR DATA RECORD
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DOI10.5067/TPSDR-BIN0A
Short NameTOPEX_ALTSDR
DescriptionThe Sensory Data Record (SDR) is similar to the GDR product except that it also contains waveforms, which are required for retracking. This is an expert level product. If you do not need the waveforms then the GDR should suit your needs.
VersionA
Dataset TypeOPEN
MeasurementOceans > Ocean Waves > Waveform
Processing Level1B
CoverageRegion: Global
Northernmost Latitude: 66 degrees
Southernmost Latitude: -66 degrees
Westernmost Longitude: 0 degrees
Easternmost Longitude: 360 degrees
Time Span: 1992-Sep-25 to 2005-Oct-04
ResolutionSpatial Resolution: 11.2 km (Along) x 5.1 km (Across)
ProjectionType: Swath
Detail:
Ellipsoid:
Latency hours
Swath Width5 km
Sample Frequency10
Temporal Repeat (Nominal)10 Day
Temporal Repeat (Min)-
Temporal Repeat (Max)-
Platform/Sensor
TOPEX/POSEIDON
Platform
Name: Topography Experiment/Poseidon (TOPEX/POSEIDON)
Orbit Period: 112.43 minutes
Inclination Angle: 66.04 degrees
Ascending Node: 1970-Jan-01 00:00:00
/
ALT (TOPEX)
SENSOR
Name: TOPEX ALTIMETER (ALT (TOPEX))
Swath Width: 5 km
Description: A satellite altimeter consists of a transmitter that sends out very sharp pulses, a sensitive receiver to record the pulse after it is reflected from the sea surface, and an accurate clock to note the time interval between transmission and reception. Examples of satellite altimeters used in the remote sensing of ocean surface height, wave height and wind speed are Seasat, Geosat and Topex/Poseidon.

TOPEX/POSEIDON
Platform
Name: Topography Experiment/Poseidon (TOPEX/POSEIDON)
Orbit Period: 112.43 minutes
Inclination Angle: 66.04 degrees
Ascending Node: 1970-Jan-01 00:00:00
/
TMR
SENSOR
Name: TOPEX MICROWAVE RADIOMETER (TMR)
Swath Width: 5 km
Description: The TMR measures the sea surface microwave brightness temperatures at three frequencies (18 GHz, 21 GHz and 37 GHz) to provide the total water-vapor content in the troposphere along the altimeter beam. The 21 GHz channel is the primary channel for water-vapor measurement. It is redundant (21A and 21B). The 18 GHz and 37 GHz channels are used to remove the effects of wind speed and cloud cover, respectively in the water-vapor measurement. TMR data are sent to CNES for processing along with their altimeter data. The measurements are combined to obtain the error in the satellite range measurements caused by pulse delay due to the water vapor.

ProjectTOPEX/Poseidon (TOPEX/POSEIDON)
Data ProviderCreator: TOPEX/Poseidon
Release Place: JPL
Release Date: 1993-Aug-07
Resource: N/A
Persistent IDPODAAC-TPSDR-BIN0A
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
Citation TOPEX/Poseidon. 1993. TOPEX ALTIMETER SENSOR DATA RECORD. Ver. A. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at http://dx.doi.org/10.5067/TPSDR-BIN0A.

For more information see Data Citations and Acknowledgments.

Journal Reference https://podaac-tools.jpl.nasa.gov/drive/files/pub/sea_surface_height/topex_poseidon/altsdr/doc/D-8591_C_sdr.pdf