TeachMeFinance.com - explain Ceilometer
Ceilometer The term 'Ceilometer' as it applies to the area of the weather can be defined as ' A device using a laser or other light source to determine the height of a cloud base. An optical ceilometer uses triangulation to determine the height of a spot of light projected onto the base of the cloud; a laser ceilometer determines the height by measuring the time required for a pulse of light to be scattered back from the cloud base'.
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