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INSAT-4B hit by power failure in 2 panels: ISRO
Due to the interruption of Satellite INSAT-4B the maximum channels have been diverted to another frequency level and few channels still cannot be seen due to the failure of the 2 panels since July 7th 2010.
THE INSAT-4B has been hit by a power supply malfunctioning, the Indian Space Research Organization ( ISRO ) confirmed this. On July 7 night, suddenly the INSAT-4B experienced a power supply glitch, which reduced the transponder capacity by fifty per cent ( 6 Ku and 6C-Band transponders ).
 
As a result of this glitch, TV channels in South India were badly affected and this forced the subscribers to check their set top boxes. INSAT-4B carries a total of 24 communication transponders (12 Ku-Band and 12 C-Band) and has been in operation since March 2007.
 
It was launched in March 2007 by the European Ariane launch vehicle and is configured with payloads identical to that of INSAT-4A, INSAT-4B carries 12 Ku-band and 12 C-band transponders to provide EIRP of 52 dBW and 39 dBW respectively.
 
Due to the interruption of Satellite INSAT-4B the maximum channels have been diverted to another frequency level and few channels still cannot be seen due to the failure of the 2 panels since July 7th 2010.
 
A team of expert at ISRO is studying the possibilities to rectify the fault which occurred recent in the INSAT –4B.

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