1. Name of Database: ¡¡Syowa Station SuperDARN HF radar network data 2. Institution: ¡¡National Institute of Polar Research 3. Contents of Database: Summary plot of Syowa East and Syowa South SuperDARN radars 4. Examples of Database: 5. Contact: ¡¡Akira Sessai Yukimatu(SD[AT]uap.nipr.ac.jp) or Natsuo Sato(SD[AT]uap.nipr.ac.jp) 6. Public Offering of Database: ¡¡http://www.uap.nipr.ac.jp/SD/