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Earth-based long-term daily infrared flux (1985 to 1995) was measured in Bahrain (26 o N, 50 o E) for the purpose of satellite pictures' comparison such as METEOSAT which is a geostationary European weather satellite located at 3600 km in the atmosphere near latitude 0 o and longitude 0, or NOAA-the American polar orbiting satellite at an elevation of 800 km in the sky.The...