National Geodetic Survey, Retrieval Date = AUGUST 3, 2022 LT0812 *********************************************************************** LT0812 DESIGNATION - WINDY LT0812 PID - LT0812 LT0812 STATE/COUNTY- CA/TEHAMA LT0812 COUNTRY - US LT0812 USGS QUAD - ONION BUTTE (2018) LT0812 LT0812 *CURRENT SURVEY CONTROL LT0812 ______________________________________________________________________ LT0812* NAD 83(2011) POSITION- 40 09 44.33612(N) 121 34 42.89395(W) ADJUSTED LT0812* NAD 83(2011) ELLIP HT- 1122.931 (meters) (06/27/12) ADJUSTED LT0812* NAD 83(2011) EPOCH - 2010.00 LT0812* ORTHO HEIGHT - 1147.6 (meters) 3765. (feet) GPS OBS LT0812 ______________________________________________________________________ LT0812 NAVD 88 orthometric height was determined with geoid model GEOID03 LT0812 GEOID HEIGHT - -24.523 (meters) GEOID03 LT0812 GEOID HEIGHT - -24.660 (meters) GEOID18 LT0812 NAD 83(2011) X - -2,556,524.367 (meters) COMP LT0812 NAD 83(2011) Y - -4,159,053.925 (meters) COMP LT0812 NAD 83(2011) Z - 4,092,499.730 (meters) COMP LT0812 LAPLACE CORR - 10.90 (seconds) DEFLEC18 LT0812 LT0812 Network accuracy estimates per FGDC Geospatial Positioning Accuracy LT0812 Standards: LT0812 FGDC (95% conf, cm) Standard deviation (cm) CorrNE LT0812 Horiz Ellip SD_N SD_E SD_h (unitless) LT0812 ------------------------------------------------------------------- LT0812 NETWORK 0.59 1.10 0.27 0.20 0.56 0.09711973 LT0812 ------------------------------------------------------------------- LT0812 LT0812 LT0812.The horizontal coordinates were established by GPS observations LT0812.and adjusted by the National Geodetic Survey in June 2012. LT0812 LT0812.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has LT0812.been affixed to the stable North American tectonic plate. LT0812 LT0812.The horizontal coordinates are valid at the epoch date displayed above LT0812.which is a decimal equivalence of Year/Month/Day. LT0812 LT0812.The orthometric height was determined by GPS observations and a LT0812.high-resolution geoid model. LT0812 LT0812.Significant digits in the geoid height do not necessarily reflect accuracy. LT0812 LT0812.Photos may exist for this station. LT0812 LT0812.The X, Y, and Z were computed from the position and the ellipsoidal ht. LT0812 LT0812.The Laplace correction was computed from DEFLEC18 derived deflections. LT0812 LT0812.The ellipsoidal height was determined by GPS observations LT0812.and is referenced to NAD 83. LT0812 LT0812. The following values were computed from the NAD 83(2011) position. LT0812 LT0812; North East Units Scale Factor Converg. LT0812;SPC CA 1 - 592,135.566 2,035,899.722 MT 0.99996308 +0 16 32.0 LT0812;SPC CA 1 - 1,942,698.10 6,679,447.67 sFT 0.99996308 +0 16 32.0 LT0812;UTM 10 - 4,446,741.412 621,046.184 MT 0.99978037 +0 55 00.7 LT0812 LT0812! - Elev Factor x Scale Factor = Combined Factor LT0812!SPC CA 1 - 0.99982387 x 0.99996308 = 0.99978696 LT0812!UTM 10 - 0.99982387 x 0.99978037 = 0.99960428 LT0812 LT0812: Primary Azimuth Mark Grid Az LT0812:SPC CA 1 - WINDY AZ MK 221 15 32.2 LT0812:UTM 10 - WINDY AZ MK 220 37 03.5 LT0812 LT0812_U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFK2104646741(NAD 83) LT0812 LT0812|---------------------------------------------------------------------| LT0812| PID Reference Object Distance Geod. Az | LT0812| dddmmss.s | LT0812| LT0813 WINDY AZ MK APPROX. 1.2 KM 2213204.2 | LT0812|---------------------------------------------------------------------| LT0812 LT0812 SUPERSEDED SURVEY CONTROL LT0812 LT0812 NAD 83(2007)- 40 09 44.33575(N) 121 34 42.89321(W) AD(2007.00) 0 LT0812 ELLIP H (02/10/07) 1122.908 (m) GP(2007.00) LT0812 NAD 83(1998)- 40 09 44.33465(N) 121 34 42.89256(W) AD(2004.69) B LT0812 ELLIP H (09/28/05) 1122.937 (m) GP(2004.69) 4 1 LT0812 NAD 83(1992)- 40 09 44.33079(N) 121 34 42.88723(W) AD(1991.35) 1 LT0812 ELLIP H (06/02/98) 1123.038 (m) GP(1991.35) 4 2 LT0812 NAD 83(1992)- 40 09 44.33094(N) 121 34 42.88098(W) AD(1991.35) 1 LT0812 NAD 83(1986)- 40 09 44.32710(N) 121 34 42.88275(W) AD(1984.00) 1 LT0812 NAVD 88 (07/10/98) 1147.6 (m) UNKNOWN model used GPS OBS LT0812 NGVD 29 (07/30/90) 1146.7 (m) RAPSU86 model used GPS OBS LT0812 LT0812.Superseded values are not recommended for survey control. LT0812 LT0812.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. LT0812 LT0812_MARKER: DD = SURVEY DISK LT0812_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT LT0812_STAMPING: WINDY 1989 LS 3728 LT0812_MARK LOGO: CADT LT0812_PROJECTION: FLUSH LT0812_MAGNETIC: N = NO MAGNETIC MATERIAL LT0812_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO LT0812+STABILITY: SURFACE MOTION LT0812_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR LT0812+SATELLITE: SATELLITE OBSERVATIONS - December 23, 2003 LT0812 LT0812 HISTORY - Date Condition Report By LT0812 HISTORY - 1989 MONUMENTED SUNRIS LT0812 HISTORY - 19960410 GOOD CADT LT0812 HISTORY - 19980428 GOOD CADT LT0812 HISTORY - 20031223 GOOD CADT LT0812 LT0812 STATION DESCRIPTION LT0812 LT0812'DESCRIBED BY SUNRISE GEODETIC 1989 LT0812'TO REACH THE STATION FROM THE INTERSECTION OF STATE HIGHWAYS 32 AND 36 LT0812'IN TEHAMA COUNTY CA. PROCEED SOUTHERLY ALONG HWY. 32 FOR 14.1 MILES LT0812'TO POST MILE 10.8 LT0812'AND A DIRT ROAD ON THE RIGHT. TURN RIGHT ON THE DIRT ROAD AND PARK. LT0812'THE ROAD IS BARRICADED WITH A GUARD RAIL BOLTED TO TWO WOODEN POSTS. LT0812'WALK OUT THE DIRT ROAD PASSING THE FOUNDATION OF AN OLD LOOKOUT AND LT0812'GO 0.1 MILES TO THE STATION AT THE EDGE OF A CLEARED FLAT RIDGE. THE LT0812'MONUMENT IS A 3.5 INCH DIAMETER ALUMINUM DISK EMBEDDED IN CONCRETE LT0812'AND IS FLUSH WITH THE GROUND. LT0812 LT0812 STATION RECOVERY (1996) LT0812 LT0812'RECOVERY NOTE BY CALTRANS 1996 (PTD) LT0812'THE STATION WAS RECOVERED WITH THE FOLLOWING ADDITION. THE STATION LT0812'WAS OCCUPIED AS PART OF A CALIFORNIA HPGN DENSIFICATION SURVEY. LT0812 LT0812 STATION RECOVERY (1998) LT0812 LT0812'RECOVERY NOTE BY CALTRANS 1998 (JRL) LT0812'RECOVERED AS DESCRIBED. LT0812' LT0812 LT0812 STATION RECOVERY (2003) LT0812 LT0812'RECOVERY NOTE BY CALTRANS 2003 (JRL) LT0812'THIS STATION WAS OCCUPIED AS A PART OF THE CALTRANS NORTH REGION LT0812'HEIGHT MODERNIZATION PROJECT.