WMO OMM Draft elements for baseline update (1/3) At least 6 geostationary satellites shall be operated at evenly distributed locations with in-orbit redundancy, and perform the following missions: a)Visible and infrared imagery over the full disc at least every 15 minutes b)Infrared sounding (hyperspectral on some locations) c)Lightning detection d)Data collection e)Other missions as appropriate, e.g.
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