### 99/03/09
   Due to snowfall, data quality is bad for 34GHz and not good
   for 17GHz allday.

### 99/03/10
   Due to an ice sticked to 84 antenna dishes, data quality is 
   not good during the following times (before the sun shined
   and melt the ice):
       Mar. 10, 00:00 UT - Mar.10, 02:30 UT.

### 99/03/20
   Due to snowfall from 2:30 UT to the end of the day, 
   the data quality is not good.

### 99/03/21
   Due to snowfall the data quality is not good whole day.

### 99/03/23
   Due to a machine trouble, we could not get observing data 
   since its start operation till 08:55 on 23 March. 
   New schedule works well since 08:55 (JST)

### 99/03/29
   Due to the heavy snowfall, images could not be synthesized
   properly before 23:30 UT (99/03/28).