DocumentCode :
1050961
Title :
Seasat-A satellite scatterometer instrument evaluation
Author :
Johnson, James W. ; Williams, Leon A., Jr. ; Bracalente, Emedio M. ; Beck, Fred B. ; Grantham, William L.
Author_Institution :
NASA Langley Research Center, Hampton, VA
Volume :
5
Issue :
2
fYear :
1980
fDate :
4/1/1980 12:00:00 AM
Firstpage :
138
Lastpage :
144
Abstract :
The Seasat-A satellite scatterometer (SASS) was designed to measure ocean surface wind speed and direction in twenty-four (24) independent cells over a 1000-km swath. It operated in the interrupted CW mode at a frequency of 14.6 GHz with four (4) fan beam antennas and used Doppler filtering in the receiver for resolving the cells on the surface. The instrument began operating in space on July 6, 1978, and gathered normalized radar cross section ( 
) data for approximately 2290 h. The purpose of this paper is to describe the in-orbit evaluation of the SASS hardware and its compatibility with the spacecraft. It has been determined that the scatterometer operated flawlessly throughout the mission, met all design requirements, and established a good data base for geophysical processing.
) data for approximately 2290 h. The purpose of this paper is to describe the in-orbit evaluation of the SASS hardware and its compatibility with the spacecraft. It has been determined that the scatterometer operated flawlessly throughout the mission, met all design requirements, and established a good data base for geophysical processing.Keywords :
Sea surface electromagnetic scattering; Antenna measurements; Geophysical measurements; Instruments; Oceans; Radar measurements; Satellites; Sea measurements; Sea surface; Spaceborne radar; Velocity measurement;
fLanguage :
English
Journal_Title :
Oceanic Engineering, IEEE Journal of
Publisher :
ieee
ISSN :
0364-9059
Type :
jour
DOI :
10.1109/JOE.1980.1145461
Filename :
1145461
Link To Document :
