Sunday, July 11, 2010

Power Glitch Hobbles Insat-4B Satellite

On July 9 Indian Space Organization (ISRO) announced that India’s Insat-4B telecommunications satellite due to the failure of its solar arrays not obtaining the required power so its broadcast capacity becomes half of the original broadcasting capacity.

Insat-4B satellite was launched in March 2007 and is based on and ISRO’s I-3K platform. It is co-located with the Insat-3A satellite in geostationary orbit at 93.5 degrees east longitude. ISRO, which with its Antrix commercial arm designed and built Insat-4B, said it was working to restore at least some of the capacity.

Insat-4B carries 12 Ku- and 12 C-band transponders. ISRO said it had shut down half the Ku- and half the C-band capacity because of what it said is a “power-supply anomaly in one of the two solar panels” that occurred the evening of July 7.

“An expert team is studying the possibilities of partial reutilization of some of the transponders that were switched off, and restoring services,” ISRO said.

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