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12-Apr-07 | NPP gets a climate sensor back

NASA and NOAA have decided to put an important sensor back on NPP, the NPOESS Preparatory Project. NPOESS is the National Polar-Orbiting Operational Environmental Satellite System, an operational follow-on intended to replace the successful experimental satellites Aqua (Delta 291), Aura (Delta 306), and Terra (launched on an Atlas IIAS). NPP, a risk reduction demonstrator, gets back its Ozone Mapping and Profiler Suite (OMPS) Limb sensor, which will measure the vertical distribution of ozone in the atmosphere. The expected launch date is no sooner than 2009 on a two-stage Delta II, while the main NPOESS fleet will begin to fly around 2013. (NASA Press Release, 11-Apr-07)

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