Activity Overview of DYANA Campaign in Japan

Abstract

The international DYANA campaign occured between the 15th of January 1990 and the 15th of March, 1990. Japan joined the project and efforts were made so that as many ground observations as possible could be carried out in Japan. These were; ozone density measurements, by both National Institute for Environment Studies and Meteorological Research Institute, sodium layer measurements by Shinshu University, atmospheric turbulence, wind direction and speeds using MU radar by Kyoto University, ionosphere monitoring such as of f_min by Communication Research Laboratory from five ionosondes located in Japan, and finally rocket launchings carried out by two institutions, Japan Meteorological Agency and Institute of Space & Astronautical Science. Activities conducted by these institutions are briefly reviewed below.