TITLE: GCN CIRCULAR NUMBER: 6226 SUBJECT: GRB 070328 : Suzaku ToO follow up starts DATE: 07/03/28 08:02:14 GMT FROM: Kazuhiro Nakazawa at ISAS/JAXA K. Nakazawa (ISAS/JAXA), T. Murakami (Kanazawa U.), M. Tashiro (Saitama U.), D. Yonetoku (Kanazawa U.), Y. Nakagawa (Aoyama Gakuin U.), S. Yokota (Kanazawa U.), Y. Kodama (Kanazawa U.), Y. Maeda (ISAS/JAXA), H. Murakami (ISAS/JAXA), S. Maeno (Miyazaki U.), N. Yamasaki (ISAS/JAXA) M. Namiki (Osaka U.), E. Sonoda (Miyazaki U.) and K. Mitsuda (ISAS/JAXA) on behald of the Suzaku team We will start the follow-up observation of GRB 070328 (Markwardt et al., GCN 6224) immediately (from around 07:20 on 28 March 2007 UT), with the Suzaku narrow field instruments (XIS and HXD). The observation will continue for about 28 hours.