Abstract: The results of two years of laser radar observations, of the mesosphere and lower thermosphere over Kingston, Jamaica (18.0N, 76.8W), are described. These show the existence of a clear annual variation in atmospheric density ...

Abstract: The laser radar system at Kingston, Jamaica (189N, 17°W) has been used to study periodic variations in atmospheric density at altitudes between 68 and 100 km. A major feature of these variations is an oscillation with a ...