AMRC & AWS

AWS ID: 8918

     SITE NAME: WINDLESS BIGHT 
     LOCATION : LAT 77.75 S  LONG 167.67 E  ROSS ICE SHELF 
     HEIGHT   : 40 M (ESTIMATED) 

     DATE ACTIVATED: 9 FEBRUARY 1983
     LAST VISITED  :13 FEBRUARY 1983

                        SENSORS SERVICED
         SENSOR           PROBLEM           ACTION TAKEN
  AEROVANE(11-80-09)                          CHECKED
  PRESSURE GAUGE(7876)                        CHECKED
  TEMP PROBE EXT                              CHECKED
  TEMP PROBE INT                              CHECKED
  HUMIDITY PROBE                               NONE 
  DELTA-T PROBE                                NONE

                        FIELD CALIBRATION
           CALIBRATION                       DIFFERENCE
   VARIABLE    AWS    MEASURED      AS 83/84  AS 82/83  AS 81/82

   PRESSURE     -        -             -         -         -
   TEMP EXT     -        -             -         -         -
   TEMP INT     -        -             -         -         - 
   WIND SPD     -        -             -         -         -
   WIND DIR     -        -             -         -         -

                     LABORATORY CALIBRATION
           CALIBRATION                      DIFFERENCE
   VARIABLE    AWS    MEASURED      AS 83/84  AS 82/83  AS 81/82

   PRESSURE  978.4    978.6 MB         .2 MB     -         -
   TEMP EXT     .12      .0  C        -.12 C     -         -
   TEMP INT   11.25    12.00 C         .75 C     -         -
   WIND SPD     .240 M/S/BITS         CAL        -         -
   WIND DIR    OK    N-E-S-W-N        CAL        -         -
   HUMIDITY     -        -            -          -         -
   DELTA  T     -        -            -          -         -

   COMMENTS:  AWS 8918 TRANSMISSIONS HAD STOPPED ON 21 MARCH 1983.  IT WAS DISCOVERED THAT THE TRANSMITTER FREQUENCY HAD SHIFTED ENOUGH SO THAT THE SATELLITES COULD NO LONGER PICK UP THE STATION.  THE FREQUENCY WAS ADJUSTED AND THE STATION WAS CALIBRATED AT MCMURDO AND PLACED BACK IN OPERATION.