DX4521 ***********************************************************************
DX4521  DESIGNATION -  IRV 181
DX4521  PID         -  DX4521
DX4521  STATE/COUNTY-  CA/ORANGE
DX4521  USGS QUAD   -  LAGUNA BEACH (1981)
DX4521
DX4521                         *CURRENT SURVEY CONTROL
DX4521  ___________________________________________________________________
DX4521* NAD 83(1992)-  33 34 52.46510(N)    117 46 29.14064(W)     ADJUSTED
DX4521* NAVD 88     -       292.68   (+/-2cm)     960.2    (feet)  VERTCON
DX4521  ___________________________________________________________________
DX4521  EPOCH DATE  -        1991.35
DX4521  LAPLACE CORR-           4.80  (seconds)                    DEFLEC99
DX4521  GEOID HEIGHT-         -34.68  (meters)                     GEOID99
DX4521
DX4521  HORZ ORDER  -  SECOND
DX4521  VERT ORDER  -  THIRD ? (See Below)
DX4521
DX4521.The horizontal coordinates were established by classical geodetic methods
DX4521.and adjusted by the National Geodetic Survey in June 1996.
DX4521.The horizontal coordinates are valid at the epoch date displayed above.
DX4521.The epoch date for horizontal control is a decimal equivalence
DX4521.of Year/Month/Day.
DX4521
DX4521.The NAVD 88 height was computed by applying the VERTCON shift value to
DX4521.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
DX4521.The vertical order pertains to the superseded datum.
DX4521
DX4521.The Laplace correction was computed from DEFLEC99 derived deflections.
DX4521
DX4521.The geoid height was determined by GEOID99.
DX4521
DX4521;                    North         East     Units   Scale      Converg.
DX4521;SPC CA 6     - 2,158,513.13  6,097,291.01   sFT  0.99996342 -0 50 16.4
DX4521;SPC CA 6     -   657,916.119 1,858,458.018   MT  0.99996342 -0 50 16.4
DX4521;UTM  11      - 3,715,995.196   428,102.445   MT  0.99966373 -0 25 42.8
DX4521
DX4521:                Primary Azimuth Mark                     Grid Az
DX4521:SPC CA 6     -  SHADY 1                                  009 23 14.8
DX4521:UTM  11      -  SHADY 1                                  008 58 41.2
DX4521
DX4521|---------------------------------------------------------------------|
DX4521| PID    Reference Object                     Distance      Geod. Az  |
DX4521|                                                           dddmmss.s |
DX4521| DX4520 SHADY 1                             APPROX. 3.0 KM 0083258.4 |
DX4521|---------------------------------------------------------------------|
DX4521
DX4521                          SUPERSEDED SURVEY CONTROL
DX4521
DX4521  NAD 83(1986)-  33 34 52.46454(N)    117 46 29.14300(W) AD(1984.00) 2
DX4521  NAD 27      -  33 34 52.38380(N)    117 46 25.95350(W) AD(       ) 2
DX4521  NGVD 29     -       291.96   (m)          957.9    (f) LEVELING    3
DX4521
DX4521.Superseded values are not recommended for survey control.
DX4521.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DX4521.See file dsdata.txt to determine how the superseded data were derived.
DX4521
DX4521  HISTORY     - Date     Condition        Recov. By
DX4521  HISTORY     - 1968     MONUMENTED       CA-059
DX4521
DX4521                          STATION DESCRIPTION
DX4521
DX4521''DESCRIBED BY ORANGE COUNTY CALIFORNIA 1968 (LL)
DX4521''TO REACH THE STATION FROM THE INTERSECTION OF MAC ARTHUR BOULEVARD
DX4521''AND SAN JOAQUIN ROAD, GO EASTERLY ON SAN JOAQUIN ROAD 0.6 MILE,
DX4521''TURN LEFT 0.2 MILE, TURN RIGHT 0.3 MILE TO AN IRON GATE, PASS
DX4521''THROUGH THE GATE AND GO UP THE HILL 1.35 MILES TO A MICROWAVE
DX4521''STATION, TURN LEFT AND GO 0.2 MILE TO A WOOD GATE, PASS THROUGH
DX4521''THE GATE AND GO 0.9 MILE TO A WOOD GATE, PASS THROUGH GATE AND
DX4521''GO 0.2 MILE TO A FORK, TURN LEFT AND GO 0.85 MILE TO A FORK,
DX4521''TURN RIGHT AND GO 0.1 MILE TO A FORK, TURN LEFT 0.75 MILE TO
DX4521''THE STATION SITE.
DX4521''
DX4521''STANDARD ORANGE COUNTY SURVEYORS TRIANGULATION MONUMENT STAMPED
DX4521''IRV 181.