DATE     START   END      REG      C/T    TYPE    FILTER
       18 Feb 80   1529    1533     2281     Off     L         -60  
                   1533    1538      "        "      T         -60
                   1538    1545     2284      "      L         -60  
                   1545    1548     2283      "      L         -60 
                   1548    1551      "        "      T           0   
                   1551    1552      "        "      L         -60
                   1555    1556     2286      "      L         -60
                   1602    1603     2287      "      L         -60
                   1604    1606      "        "      T         -60
                   1615    1647     Quiet           C/L          0
                   1647    1649     2283             L         -60
                   1650    1656      "        "      T           0
                   1706    1707     2281      "      L         -80   
       24 Feb 80   1437    1442     2291     Off     T           0   
                   1442    1447                      L         -60
                   1447    1455     2288             L         -60    
                   1455    1458                      T         -60
                   1458    1530                      T           0