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“Polar Broadband”
Express-AM4 Is Being Dumped Into the Ocean

Satellite to burn in atmosphere above Pacific, Russia Today “Satellite’s propulsive unit was turned on at 14:33 MSK to give the 5,775-kilogram vehicle a de-orbital burn and the craft’s debris is expected to reach the surface at 17:32 MSK to the north of the Hawaiian Islands. The impact area will be closed for ships and planes for two hours.” – Antarctic Researchers Cite Benefits of Repurposing Express-AM4, previous post – […]

  • NASA Watch
  • March 25, 2012
Saving Express-AM4 and Using it to Serve Antarctic Research

Repurposing Express-AM4: Mission Possible: Recycling Space Junk into Antarctic Science Treasure “There have been reports that the Express-AM4 spacecraft has received too high of a radiation dose, beyond that expected for its entire 15 year mission, thus rendering the use of the satellite to risky for our purpose. This analysis is likely based upon older computer models of the radiation environment in its current orbit. The current solar cycle (solar […]

  • NASA Watch
  • March 19, 2012