Development of optical disk data base system for Syowa Station-Iceland geomagnetically conjugate observation

Abstract

Long-term monitoring of upper-atmosphere-physics phenomena has been carried out at Syowa Station-Iceland geomagnetically conjugate pair since 1983,and this project will further continue to cover at least 1 solar-activity cycle of 11 years. A great amount of digital data has been accumulated and waiting for efficient data management. Hence a data base system is developed with a help of the recent progress of optical-disk technique. The function of the system comprises (1) management of data storage, (2) data display, and (3) unloading of specified data. This report describes the basic concept of system design, system function, and operation.