GEOSAT 2C DRIVER

March 13, , If the ocean surface were at rest, and to forcing such as tides or winds were acting on it, the water surface would lie along the geoid. Currents , tides and wind forcing all create changes in water levels. In this manner, the satellite could observe long term changes at the points along the ground track. By using this site, you agree to the Terms of Use and Privacy Policy. Manned flights are indicated in bold text. Artist’s interpretation of the Geosat satellite.

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In this manner, the satellite could observe long term changes at the points along the ground track.

The ERM established the satellite in an exact repeat orbit. While there are extreme waves and events tsunamis and hurricane surgetypical ocean features would be considered large if the water level change caused by them were 1 m. When the ERM ended in Januarydue to failure of the geosta on-board tape recorders, more than three years of ERM data were collected and made available to the scientific community. This page was last edited on 20 Mayat In addition, GFO carried a GPS receiver which was veosat used operationallyDoppler receivers, and laser retro-reflectors for orbit determination.

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Payloads deployed from other spacecraft are denoted in brackets.

Geo/SAT 2 – Remote Sensing – GIS Instructional Modules

For generic geosats, see Geosynchronous satellite. The satellite would orbit the Earth, and after The Geosat GM goal was to provide information on the marine gravity field.

From Wikipedia, the free encyclopedia. Spatial variations in gravity exert influence on the ocean surface and thereby cause spatial structure in the geoid.

Subsurface features such as seamounts create a gravitational pull, and features such as ocean trenches create lower gravity areas. Manned flights are indicated in bold text. Currentstides and wind forcing all create changes in water levels. An opportunity existed to observe the next order physical process that affects the ocean surface.

These data were subsequently widely used to estimate ocean bathymetry along with additional satellite altimeters. By measuring the position of the water surface above the Earth center, the geoid is observed, and the gravity field can be computed through inverse calculations.

Uncatalogued launch failures are listed in italics. If the ocean surface were at rest, and to forcing such as tides or winds were acting on it, the water surface would lie along the geoid.

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Explore Earth Online

To first order, the Earth shape is an oblate spheroid. Orbital meteorological and remote sensing systems.

Navy on 30 June Views Read Edit View history. Infurther parts of the Geodetic Mission data over the oceans south of 30 degrees south were released.

AvMap Geosat 2C Manuals

The initial phase was an month classified Geodetic Veosat GM have a ground-track with a nearday repeat with closure to within 50 kilometers. Once the GM goal had been reached, the satellite still had a useful life.

Artist’s interpretation of the Geosat satellite. March 13, Despite a series of system failures aboard the spacecraft, controllers were able to successfully lower GFO to a disposal orbit and shut it down on November 25, By using this site, you agree to the Terms of Use and Privacy Policy. Archived from the original PDF on Retrieved from ” https: Navy declassified parts of the Geodetic Mission data in that covered a doughnut-shaped area of ocean that surrounds Antarctica between 60 grosat 72 degrees south latitude.