National Geodetic Survey, Retrieval Date = JANUARY 4, 2005 EW9566 *********************************************************************** EW9566 DESIGNATION - MT WILSON J 1 EW9566 PID - EW9566 EW9566 STATE/COUNTY- CA/LOS ANGELES EW9566 USGS QUAD - CHILAO FLAT (1994) EW9566 EW9566 *CURRENT SURVEY CONTROL EW9566 ___________________________________________________________________ EW9566* NAD 83(1992)- 34 17 48.52299(N) 118 01 40.70375(W) ADJUSTED EW9566* NAVD 88 - 1792.2 (meters) 5880. (feet) VERTCON EW9566 ___________________________________________________________________ EW9566 EPOCH DATE - 1991.35 EW9566 LAPLACE CORR- 6.34 (seconds) DEFLEC99 EW9566 GEOID HEIGHT- -31.96 (meters) GEOID03 EW9566 EW9566 HORZ ORDER - SECOND EW9566 EW9566.The horizontal coordinates were established by classical geodetic methods EW9566.and adjusted by the National Geodetic Survey in June 1996. EW9566.The horizontal coordinates are valid at the epoch date displayed above. EW9566.The epoch date for horizontal control is a decimal equivalence EW9566.of Year/Month/Day. EW9566 EW9566.The NAVD 88 height was computed by applying the VERTCON shift value to EW9566.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) EW9566 EW9566.The Laplace correction was computed from DEFLEC99 derived deflections. EW9566 EW9566.The geoid height was determined by GEOID03. EW9566 EW9566; North East Units Scale Factor Converg. EW9566;SPC CA 5 - 588,386.712 1,997,424.839 MT 0.99995335 -0 00 57.4 EW9566;SPC CA 5 - 1,930,398.74 6,553,217.99 sFT 0.99995335 -0 00 57.4 EW9566;UTM 11 - 3,795,544.920 405,398.481 MT 0.99971031 -0 34 45.4 EW9566 EW9566! - Elev Factor x Scale Factor = Combined Factor EW9566!SPC CA 5 - 0.99972375 x 0.99995335 = 0.99967712 EW9566!UTM 11 - 0.99972375 x 0.99971031 = 0.99943414 EW9566 EW9566: Primary Azimuth Mark Grid Az EW9566:SPC CA 5 - MT WILSON TV STA KRCA TOWER 203 31 19.8 EW9566:UTM 11 - MT WILSON TV STA KRCA TOWER 204 05 07.8 EW9566 EW9566|---------------------------------------------------------------------| EW9566| PID Reference Object Distance Geod. Az | EW9566| dddmmss.s | EW9566| CS7570 MT WILSON J 1 RM 1 4.846 METERS 17739 | EW9566| EW7222 MT WILSON TV STA KRCA TOWER APPROX. 8.6 KM 2033022.4 | EW9566| CS7571 MT WILSON J 1 RM 2 4.081 METERS 27739 | EW9566| EW9570 VETTER LOT 60.472 METERS 29617 | EW9566|---------------------------------------------------------------------| EW9566 EW9566 SUPERSEDED SURVEY CONTROL EW9566 EW9566 NAD 83(1986)- 34 17 48.52058(N) 118 01 40.70351(W) AD(1984.00) 2 EW9566 NGVD 29 (03/17/93) 1791.3 (m) 5877. (f) VERT ANG EW9566 EW9566.Superseded values are not recommended for survey control. EW9566.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. EW9566.See file dsdata.txt to determine how the superseded data were derived. EW9566 EW9566_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SMT0539895545(NAD 83) EW9566_MARKER: DS = TRIANGULATION STATION DISK EW9566_SETTING: 80 = SET IN A BOULDER EW9566_MAGNETIC: N = NO MAGNETIC MATERIAL EW9566_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO EW9566+STABILITY: SURFACE MOTION EW9566_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR EW9566+SATELLITE: SATELLITE OBSERVATIONS - August 26, 2001 EW9566 EW9566 HISTORY - Date Condition Report By EW9566 HISTORY - 1978 MONUMENTED CADT EW9566 HISTORY - 20010826 GOOD INDIV EW9566 EW9566 STATION DESCRIPTION EW9566 EW9566'DESCRIBED BY CALTRANS 1978 (RLS) EW9566'THE STATION IS LOCATED ON A PROMINENT HILL NEAR A FIRE LOOK-OUT EW9566'STATION, 11 MILES NORTHEAST OF LA CANADA, 12 MILES NORTH-NORTHEAST OF EW9566'PASADENA, 13 MILES SOUTH-SOUTHWEST OF LITTLEROCK. EW9566' EW9566'TO REACH THE STATION FROM THE INTERSECTION OF THE ANGELES FOREST HIGH EW9566'WAY (COUNTY ROAD N-3) AND THE ANGELES CREST HIGHWAY (STATE ROUTE 02) EW9566'AT THE CLEAR CREEK RANGER STATION, GO EAST ON ANGELES CREST HIGHWAY EW9566'FOR 4.8 MILES TO THE MT WILSON ROAD ON THE RIGHT. CONTINUE STRAIGHT, EW9566'EAST, FOR 4.2 MILES TO UPPER BIG TUJUNGA ROAD ON THE LEFT. CONTINUE EW9566'STRAIGHT, EAST, FOR 5.1 MILES TO A PAVED SIDE ROAD AND THE CHARLTON EW9566'FLATS RANGER STATION. TURN LEFT, SOUTH, AND GO 1.2 MILES ON PAVED ROAD EW9566'BEARING LEFT AT ALL FORKS TO 2 SIDE ROADS ON THE RIGHT. BEAR LEFT AND EW9566'TAKE THE MOST WESTERLY ROAD AND PROCEED 100 FEET TO A STEEL GATE AND A EW9566'DIRT ROAD. PASS THROUGH THE GATE AND GO UPGRADE 0.6 MILE, NORTH, WEST, EW9566'AND THEN SOUTH TO A WIDE AREA JUST BELOW THE LOOK-OUT TOWER, AND A EW9566'POWER POLE ON THE LEFT, NO 1886868E AND THE STATION ON A LARGE ROCK. EW9566' EW9566'THE STATION MARK IS A STANDARD CALIFORNIA DEPARTMENT OF TRANSPORTATION EW9566'DISK STAMPED---MT WILSON J 1 1978---EPOXIED IN A LARGE BOULDER IN A EW9566'ROCK OUTCROPPING. IT IS 36 FEET EAST OF POWER POLE NO. 1886868 E EW9566'AND LEVEL WITH THE DIRT ROAD. EW9566' EW9566'REFERENCE MARK NO. 1 IS A STANDARD CALIFORNIA DIVISION OF HIGHWAYS EW9566'(CADH) DISK STAMPED---MT WILSON J 1 NO 1 1978---EPOXIED IN A LARGE EW9566'BOULDER IN A ROCK OUTCROPPING. IT IS 41 FEET EAST OF POWER POLE NO. EW9566'1886868 E AND 4 FEET LOWER THAN THE STATION. EW9566' EW9566'REFERENCE MARK NO. 2 IS A STANDARD (CADH) DISK STAMPED---MT WILSON J 1 EW9566'NO 2 1978---EPOXIED IN A LARGE BOULDER IN A ROCK OUTCROPPING. IT IS EW9566'23 FEET EAST OF POWER POLE NO.1886868 E AND 1 FOOT HIGHER THAN EW9566'THE STATION. EW9566 EW9566 STATION RECOVERY (2001) EW9566 EW9566'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2001 (JJB) EW9566'RECOVERED IN GOOD CONDITION.