### 99/07/27
   Protocol error on N01 antenna. It was recovered on 09:09 (JST)
### 99/07/28
   Check on E27 and E28 antenna during following time intervals,
         11:10 - 11:29 (JST)
         11:33 - 12:07
         12:07 - 12:16
         13:40 - 13:44