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Compare with the ISRO launch on Monday that was a success - http://www.spaceflight101.com/pslv-c22-launch-updates-irnss-...

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I know the PSLVs have a reputation of being very reliable. Do you happen to know how much it costs, compared to the Protons or SpaceX's new design?

Also, it's very cool that India:s launching its own GPS alternatives. The article mentions that it uses the same L5 and S bands as GPS and Galileo: isn't there any potential of interference, and will existing receivers work as-is?

ISRO's total budget for the year 2012-13 is ~$950 million. Apparently this project cost them ~$250 million all inclusive.

Why?

Well, two launches within a day's time, both carrying navigation satellites.

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