LKHU Site Information Form
     Harris Galveston Coastal Subsidence District CORS Station


0.   Form

0.1  Prepared by (full name)  : Paul Spofford
     Date Prepared            : 18-JUNE-1998
     Report Type              : UPDATE
     Prepared Using           :

0.2  Prepared by (full name)  : Linda Nussear
     Date Prepared            : 21-JUN-1999
     Report Type              : UPDATE
     Prepared Using           :

0.3  Prepared by (full name)  : Nancy Brantner
     Date Prepared            : 02-JUL-2002
     Report Type              : UPDATE
     Prepared Using           :
     
0.4  Prepared by (full name)  : Kay Heimerling
     Date Prepared            : 15-AUG-2002
     Report Type              : UPDATE
     Prepared Using           :

0.x  Prepared by (full name)  :
     Date Prepared            : 
     Report Type              : UPDATE
     Prepared Using           :


1.   Site Identification of the GPS Monument

     Site Name                : Lake Houston
     Four Character ID        : LKHU
     Monument Inscription     : None
     IERS DOMES Number        : N/A
     CDP Number               : Not assigned
     Date Installed           : 08-JUL-1993
     Geologic Characteristic  : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc)
       Bedrock Type           : (IGNEOUS/METAMORPHIC/SEDIMENTARY)
       Bedrock Condition      : (FRESH/JOINTED/WEATHERED)
       Fracture Spacing       : (1-10 cm/10-50 cm/50-200 cm/over 200 cm)
       Notes                  : (multiple lines)
     Additional Information   : No monument, antenna mounted on an 
                                extensometer anchored to a depth of 2000 
                                feet bedrock.


2.   Site Location Information

     City or Town             : Houston
     State or Province        : Texas
     Country                  : USA
     Tectonic Plate           : North American
     Approximate Position
       X coordinate (m)       :  -496256.453
       Y coordinate (m)       : -5510740.045
       Z coordinate (m)       :  3162058.076
       Latitude (deg)         :  29.9135 N
       Longitude (deg)        : 095.1458 W
       Elevation (m)          :  -8.490 (Ellip Ht)
     Additional Information   : ARP ITRF96 POSITION (EPOCH 1997.0) computed in
                                Mar. 1998 using 54 days of data.
     

3.   GPS Receiver Information

3.1  Receiver Type            : TRIMBLE 4000SSE
     Serial Number            : 3309A02614
     Firmware Version         :
     Date Installed           : 08-JUL-1993
     Date Removed             : 17-JUN-1998
     Additional Information   : Receiver removed

3.2  Receiver Type            : TRIMBLE 4000SSI
     Serial Number            : 3745A20335
     Firmware Version         : 7.22
     Date Installed           : 17-JUN-1998 
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : Receiver installed

3.x  Receiver Type            : 
     Serial Number            : 
     Firmware Version         :
     Date Installed           : (dd-MMM-yyyy hh:mm UT)
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)


4.   GPS Antenna Information

4.1  Antenna Type             : TRM14532.00
     Serial Number            : 3305A67494
     Antenna Height (m)       : 0.000 
     Antenna Reference Point  : ARP
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 24-JUL-1994 18:00 UT
     Date Removed             : 17-JUN-1998
     Additional Information   : Antenna removed 

4.2  Antenna Type             : TRM29659.00
     Serial Number            : 0220101984
     Antenna Height (m)       : 0.000
     Antenna Reference Point  : ARP
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 17-JUN-1998
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : Antenna installed
     
4.3  Antenna Type             : TRM29659.00
     Serial Number            : 0220101984
     Antenna Height (m)       : 0.000
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      : TCWD
     Date Installed           : (dd-MMM-yyyy hh:mm UT)
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : Radome added 09-JUL-2002. Changed ARP to BPA.
     
4.x  Antenna Type             :
     Serial Number            :
     Antenna Height (m)       : (m)
     Antenna Reference Point  : (ARP/BCR/BPA)
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : (dd-MMM-yyyy hh:mm UT)
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)


5.   Local Site Ties

5.x  Monument Name            :
     Site Ref CDP Number      : (XXXX)
     Site Ref Domes Number    : (XXXXXXXXX)
     Differential Components from GPS Mark to Site Reference (ITRS)
       dx (m)                 : (m)
       dy (m)                 : (m)
       dz (m)                 : (m)
     Accuracy (mm)            : (mm)
     Date Measured            : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)


6.   Frequency Standard

6.1  Standard Type            : (H-MASER/CESIUM/QUARTZ/INTERNAL/RUBIDIUM)
       Frequency              :
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

6.x  Standard Type            : (H-MASER/CESIUM/QUARTZ/INTERNAL/RUBIDIUM)
       Frequency              :
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)


7.   Collocation Information

7.x  Instrumentation Type     : (DORIS/GLONASS/PRARE/SLR/VLBI)
       Status                 : (PERMANENT/MOBILE)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)


8.   Meteorological Instrumentation

8.1  Humidity Sensor Model    :
       Manufacturer           :
       Data Frequency         :
       Accuracy (% rel h)     : (% rel h)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

8.2  Pressure Sensor Model    :
       Manufacturer           :
       Data Frequency         :
       Accuracy (mbar)        : (mbar)
       Height Diff to GPS (m) : (m)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

8.3  Temperature Sensor Model :
       Manufacturer           :
       Data Frequency         :
       Accuracy (deg C)       : (deg C)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

8.4  Water Vapor Radiometer   :
       Manufacturer           :
       Distance to GPS (m)    : (m)
       Elev Diff to GPS (m)   : (m)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

8.5  Other Instrumentation    : (multiple lines)


9.   On-Site, Point of Contact Agency Information

     Agency                   : Harris Galveston Coastal Subsidence District
     Mailing Address          : 1660 West Bay Area Blvd
                                Friendswood, TX 77546
     Primary Contact
       Contact Name           : Mike Chrismer
       Telephone (primary)    : 713-486-1106
       Telephone (secondary)  :
       Fax                    :
       E-mail                 :
     Secondary Contact
       Contact Name           :
       Telephone (primary)    :
       Telephone (secondary)  :
       Fax                    :
       E-mail                 :
     Additional Information   : (multiple lines)


10.  Responsible Agency (if different from 9.)

     Agency                   : (multiple lines)
     Mailing Address          : (multiple lines)
     Primary Contact
       Contact Name           :
       Telephone (primary)    :
       Telephone (secondary)  :
       Fax                    :
       E-mail                 :
     Secondary Contact
       Contact Name           :
       Telephone (primary)    :
       Telephone (secondary)  :
       Fax                    :
       E-mail                 :
     Additional Information   : (multiple lines)


11.  More Information

     URL for More Information :
     Hardcopy on File
       Site Map               : (Y)
       Site Diagram           : (Y)
       Horizon Mask           : (Y)
       Monument Description   : (Y)
       Site Pictures          : (Y)
     Additional Information   : (multiple lines)
     
     Antenna Graphics with Dimensions

     http://www.ngs.noaa.gov/ANTCAL