Mesospheric ionisation over dip equator at sunrise |
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Authors: | SP Gupta |
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Institution: | Physical Research Laboratory, Ahmedabad 380 009, India |
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Abstract: | The electron density profile in the equatorial mesosphere was measured during sunrise time over Thumba(dip lat= 0.6°S). The measurements were carried out in the altitude range 60 to 100 km using rocketborne probes. A sharp layer of ionisation was observed around 80 km with electron density about 108m?3. It is suggested that hydrated ions are the main constituents of this layer. |
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