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Friday, February 18, 2011

Specify the characteristic features of INSAT-2E.

Specify the characteristic features of INSAT-2E.
INSAT-2E is an Indian geostationary satellite. The Satellite altitude is about 35800 km. INSAT-2E is located on 74° east over the equator. It always views the same portion of the globe.
INSAT-2E is equipped with a VISSR (VIsible and In frared Spin Scan Radiometer). The radiometer scans the earth’s surface line by line; each line consists of a series of individual image elements or pixels. For each pixel, the radiometer measures the radioactive energy of the different spectral bands. The measurement is digitally coded and transmitted to the ground station for pre-procssing before being disseminated to the user community.
VISSR is a 3 channels device Visible channel is 0.47-0.7 micro m
Infrared channel is 10.5 -12.5 micro m,
and water vapur channel is 5.7-7.1 micro m
In the visible channel, the resolution is 2km. In the infrared and water vapour channels, the resolution is 8 km.

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