DATASHEETS The NGS Data SheetSee file dsdata.txt for more information about the datasheet.DATABASE = Sybase ,PROGRAM = datasheet, VERSION = 6.89 1 National Geodetic Survey, Retrieval Date = OCTOBER 24, 2003 AC6328 *********************************************************************** AC6328 PACS - This is a Primary Airport Control Station. AC6328 DESIGNATION - TOM L AC6328 PID - AC6328 AC6328 STATE/COUNTY- CA/ALAMEDA AC6328 USGS QUAD - LIVERMORE (1980) AC6328 AC6328 *CURRENT SURVEY CONTROL AC6328 ___________________________________________________________________ AC6328* NAD 83(1998)- 37 41 45.66198(N) 121 49 08.94549(W) ADJUSTED AC6328* NAVD 88 - 117.98 (meters) 387.1 (feet) GPS OBS AC6328 ___________________________________________________________________ AC6328 EPOCH DATE - 1998.50 AC6328 X - -2,664,247.892 (meters) COMP AC6328 Y - -4,293,786.627 (meters) COMP AC6328 Z - 3,878,853.808 (meters) COMP AC6328 LAPLACE CORR- 2.69 (seconds) DEFLEC99 AC6328 ELLIP HEIGHT- 85.72 (meters) (04/24/01) GPS OBS AC6328 GEOID HEIGHT- -32.21 (meters) GEOID99 AC6328 AC6328 HORZ ORDER - B AC6328 ELLP ORDER - SECOND CLASS I AC6328 AC6328.This mark is at Livermore Municipal Airport (LVK) AC6328 AC6328.The horizontal coordinates were established by GPS observations AC6328.and adjusted by the National Geodetic Survey in April 2001. AC6328.This is a SPECIAL STATUS position. See SPECIAL STATUS under the AC6328.DATUM ITEM on the data sheet items page. AC6328.The horizontal coordinates are valid at the epoch date displayed above. AC6328.The epoch date for horizontal control is a decimal equivalence AC6328.of Year/Month/Day. AC6328 AC6328.The orthometric height was determined by GPS observations and a AC6328.high-resolution geoid model. AC6328 AC6328.GPS derived orthometric heights for airport stations designated as AC6328.PACS or SACS are published to 2 decimal places. This maintains AC6328.centimeter relative accuracy between the PACS and SACS. It does AC6328.not indicate centimeter accuracy relative to other marks which are AC6328.part of the NAVD 88 network. AC6328 AC6328.Photographs are available for this station. AC6328 AC6328.The X, Y, and Z were computed from the position and the ellipsoidal ht. AC6328 AC6328.The Laplace correction was computed from DEFLEC99 derived deflections. AC6328 AC6328.The ellipsoidal height was determined by GPS observations AC6328.and is referenced to NAD 83. AC6328 AC6328.The geoid height was determined by GEOID99. AC6328 AC6328; North East Units Scale Converg. AC6328;SPC CA 3 - 633,554.806 1,883,671.083 MT 0.99992964 -0 48 27.5 AC6328;SPC CA 3 - 2,078,587.73 6,180,010.88 sFT 0.99992964 -0 48 27.5 AC6328;UTM 10 - 4,172,744.395 604,103.707 MT 0.99973349 +0 43 19.6 AC6328 AC6328|---------------------------------------------------------------------| AC6328| PID Reference Object Distance Geod. Az | AC6328| dddmmss.s | AC6328| AC6327 ARP LVK 164.343 METERS 15034 | AC6328|---------------------------------------------------------------------| AC6328 AC6328 SUPERSEDED SURVEY CONTROL AC6328 AC6328 NAD 83(1992)- 37 41 45.66057(N) 121 49 08.94280(W) AD(1996.35) 1 AC6328 ELLIP H (02/18/97) 85.69 (m) GP(1996.35) 3 1 AC6328 AC6328.Superseded values are not recommended for survey control. AC6328.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AC6328.See file dsdata.txt to determine how the superseded data were derived. AC6328 AC6328_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFG0410472744(NAD 83) AC6328_MARKER: DH = HORIZONTAL CONTROL DISK AC6328_SETTING: 35 = HELOCOPTER PAD AC6328_STAMPING: TOM L 1996 AC6328_MARK LOGO: NGS AC6328_MAGNETIC: N = NO MAGNETIC MATERIAL AC6328_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL AC6328_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AC6328+SATELLITE: SATELLITE OBSERVATIONS - April 04, 2003 AC6328 AC6328 HISTORY - Date Condition Report By AC6328 HISTORY - 19960101 MONUMENTED NGS AC6328 HISTORY - 20001207 GOOD NGS AC6328 HISTORY - 20010410 GOOD NGS AC6328 HISTORY - 20030404 GOOD NGS AC6328 AC6328 STATION DESCRIPTION AC6328 AC6328'DESCRIBED BY NATIONAL GEODETIC SURVEY 1996 (MLA) AC6328'THE STATION IS LOCATED AT THE LIVERMORE MUNICIPAL AIRPORT 3.0 MI (4.8 AC6328'KM) NORTHWEST OF LIVERMORE, CA AND ABOUT 5.5 MI (8.9 KM) EAST OF THE AC6328'INTERSECTION OF INTERSTATES 680 AND 580 IN DUBLIN, CA. OWNERSHIP -- AC6328'CITY OF LIVERMORE CONTACT TOM LITTLE, AIRPORT MANAGER, AT (510) AC6328'373-5280 FOR ACCESS. TO REACH THE STATION FROM THE INTERSECTION OF AC6328'INTERSTATE 580 AND INTERSTATE 680 IN DUBLIN PROCEED EAST ON INTERSTATE AC6328'580 FOR APPROXIMATELY 5.5 MI (8.9 KM) TO AN EXIT RIGHT FOR AIRWAY AC6328'BLVD. TAKE EXIT AND PROCEED EASTERLY FOR .25 MI (0.40 KM) TO STOP AC6328'SIGN AND INTERSECTION WITH AIRWAY BLVD. TURN RIGHT ONTO AIRWAY BLVD AC6328'AND PROCEED SOUTH FOR .2 MI (0.3 KM) TO A STOP SIGN, AIRPORT, AND ROAD AC6328'RIGHT - TERMINAL CIRCLE. TURN RIGHT AND PROCEED FOR .05 MI (0.08 KM) AC6328'TO THE DAN LEE AIR TERMINAL BUILDING ON THE LEFT AND THE STATION IN AC6328'THE CENTER OF AN ABANDONED CONCRETE HELIPAD WEST OF THE TERMINAL AC6328'BUILDING. THE STATION IS 26.0 M (85.3 FT) SOUTHEAST OF THE CENTERLINE AC6328'OF TERMINAL CIRCLE, 19.0 M (62.3 FT) SOUTHWEST OF THE NORTHWEST CORNER AC6328'OF THE TERMINAL BUILDING, AND IS SET IN A DRILL HOLE IN THE CENTER OF AC6328'A 6.0 M (19.7 FT) ACROSS CONCRETE HELIPAD WITH A SIDEWALK LEADING TO AC6328'THE AIRFIELD SIDE OF THE TERMINAL BUILDING. THE STATION IS A STANDARD AC6328'NGS HORIZONTAL STATION DISK STAMPED --TOM L 1996-- AND SET IN A DRILL AC6328'HOLE IN A CONCRETE HELIPAD. AC6328 AC6328 STATION RECOVERY (2000) AC6328 AC6328'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2000 (BW) AC6328'RECOVERED AS DESCRIBED. THIS STATION HAS BEEN DESIGNATED AS THE AC6328'PRIMARY AIRPORT CONTROL STATION (PACS). AC6328' AC6328' AC6328 AC6328 STATION RECOVERY (2001) AC6328 AC6328'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (GFS) AC6328'RECOVERED AS DESCRIBED. THIS STATION HAS BEEN DESIGNATED AS THE AC6328'PRIMARY AIRPORT CONTROL STATION (PACS). AC6328' AC6328' AC6328 AC6328 STATION RECOVERY (2003) AC6328 AC6328'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2003 (SER) AC6328'RECOVERED AS DESCRIBED. AC6328' *** retrieval complete. Elapsed Time = 00:00:01