AI1931 ***********************************************************************
AI1931  DESIGNATION -  NN 100
AI1931  PID         -  AI1931
AI1931  STATE/COUNTY-  AZ/PIMA
AI1931  USGS QUAD   -  SAN XAVIER MISSION SW (1978)
AI1931
AI1931                         *CURRENT SURVEY CONTROL
AI1931  ___________________________________________________________________
AI1931* NAD 83(1992)-  32 07 05.68315(N)    111 13 01.91611(W)     ADJUSTED
AI1931* NAVD 88     -       743.7    (meters)    2440.     (feet)  GPS OBS
AI1931  ___________________________________________________________________
AI1931  X           -  -1,957,071.647 (meters)                     COMP
AI1931  Y           -  -5,041,143.096 (meters)                     COMP
AI1931  Z           -   3,371,923.410 (meters)                     COMP
AI1931  LAPLACE CORR-           1.79  (seconds)                    DEFLEC99
AI1931  ELLIP HEIGHT-         713.93  (meters)                     GPS OBS
AI1931  GEOID HEIGHT-         -29.77  (meters)                     GEOID99
AI1931
AI1931  HORZ ORDER  -  A
AI1931  ELLP ORDER  -  THIRD     CLASS I
AI1931
AI1931.The horizontal coordinates were established by GPS observations
AI1931.and adjusted by the National Geodetic Survey in September 1999.
AI1931
AI1931.The orthometric height was determined by GPS observations and a
AI1931.high-resolution geoid model.
AI1931
AI1931.The X, Y, and Z were computed from the position and the ellipsoidal ht.
AI1931
AI1931.The Laplace correction was computed from DEFLEC99 derived deflections.
AI1931
AI1931.The ellipsoidal height was determined by GPS observations
AI1931.and is referenced to NAD 83.
AI1931
AI1931.The geoid height was determined by GEOID99.
AI1931
AI1931;                    North         East     Units   Scale      Converg.
AI1931;SPC AZ C     -   124,191.890   279,364.058   MT  0.99995371 +0 22 18.8
AI1931;UTM  12      - 3,553,563.065   479,510.752   MT  0.99960518 -0 06 55.7
AI1931
AI1931                          SUPERSEDED SURVEY CONTROL
AI1931
AI1931.No superseded survey control is available for this station.
AI1931
AI1931_MARKER: I = METAL ROD
AI1931_SETTING: 59 = STAINLESS STEEL ROD IN SLEEVE (10 FT.+)
AI1931_STAMPING: NN-100 1991
AI1931_PROJECTION: FLUSH
AI1931_MAGNETIC: I = MARKER IS A STEEL ROD
AI1931_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
AI1931_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
AI1931+SATELLITE: SATELLITE OBSERVATIONS - January 20, 1999
AI1931_ROD/PIPE-DEPTH: 6.73 meters
AI1931_SLEEVE-DEPTH  : 0.92 meters
AI1931
AI1931  HISTORY     - Date     Condition        Recov. By
AI1931  HISTORY     - 1991     MONUMENTED       AZ-019
AI1931  HISTORY     - 19990120 GOOD             AZ-019
AI1931
AI1931                          STATION DESCRIPTION
AI1931
AI1931''DESCRIBED BY PIMA COUNTY ARIZONA 1999 (MM)
AI1931''THE STATION IS LOCATED ABOUT 3 MI (4.8 KM) SOUTH AND 15 MI (24.1 KM)
AI1931''WEST OF DOWNTOWN TUCSON, 0.25 MI (0.40 KM) NORTH OF THE INTERSECTION
AI1931''OF STATE HIGHWAY 86 (AJO HIGHWAY) AND SANDARIO RD.  OWNERSHIP--ROAD
AI1931''RIGHT-OF-WAY.  TO REACH THE STATION FROM THE INTERSECTION OF STATE
AI1931''HIGHWAY 86 AND SANDARIO RD, GO NORTH FOR 0.25 MI (0.40 KM) ON SANDARIO
AI1931''ROAD TO THE STATION ON RIGHT.  LOCATED ABOUT 75 FT (22.9 M) EAST FROM
AI1931''THE CENTERLINE OF SANDARIO RD AND 51 FT (15.5 M) NORTH FROM A POWER
AI1931''POLE AT A POWERLINE INTERSECTION.  NOTE--ROD DRIVEN TO REFUSAL.