AWS ID: 8911B

     SITE NAME: TIFFANY SITE
     LOCATION : LAT 77.95 S  LONG 166.17 E  WHITE ISLAND
     HEIGHT   : 40 M (ESTIMATED) 

     DATE ACTIVATED: 23 JANUARY 1984
     LAST VISITED  : 23 JANUARY 1984

                        SENSORS SERVICED
         SENSOR           PROBLEM           ACTION TAKEN
  AEROVANE(03-78-08)                          INSTALLED
  PRESSURE GAUGE(3161)                        INSTALLED
  TEMP PROBE EXT                              INSTALLED
  TEMP PROBE INT                              INSTALLED
  HUMIDITY PROBE                              INSTALLED 
  DELTA-T PROBE                               INSTALLED

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

   PRESSURE  998.8    998.7 MB        -.1 MB     -         -
   TEMP EXT   -1.0     -2.0  C        1.0  C     -         -
   TEMP INT     -        -             -         -         -
   WIND SPD    5.2      5.0 M/S        .2 M/S    -         -
   WIND DIR    170      180 DEG        10 DEG    -         -

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

   PRESSURE 1002.3   1002.3 MB         .0 MB     -         -
   TEMP EXT    0.12     0.0  C        -.12 C     -         -
   TEMP INT    0.0      0.0  C         .0  C     -         -
   WIND SPD    .248 M/S/BIT           CAL        -         -
   WIND DIR    OK    N-E-S-W-N        CAL        -         - 
   HUMIDITY    .53*BITS-18   %        CAL        -         -
   DELTA  T   .13*(BITS-195) C         -         -         -

   COMMENTS:  AWS 8911B WAS INSTALLED NEAR WHITE ISLAND REPLACING AWS 8908 WHICH HAD TO BE MOVED SINCE IT WAS LOCATED IN THE NEW WHITE OUT LANDING ZONE FOR WILLIAMS FIELD.  HUMIDITY AND TEMPERATURE DIFFERENCE PROBES ( 24 INCHES TO 72 INCHES ) WERE INCLUDED WITH THIS UNIT.