LROC Site Information Form
     International GPS Service for Geodynamics


0.   Form

     Prepared by (full name)  : Guy WOPPELMANN
     Date Prepared            : 23-NOV-2001
     Report Type              : NEW
     Prepared Using           :


1.   Site Identification of the GPS Monument

     Site Name                : LA ROCHELLE
     Four Character ID        : LROC
     Monument Inscription     : None
     IERS DOMES Number        : 10023M001
     CDP Number               : Not assigned
     Date Installed           : 23-NOV-2001 00:00 UT
     Geologic Characteristic  :
       Bedrock Type           : Interbedded Marl and Limestone
       Bedrock Condition      : Locally Fractured
       Fracture Spacing       : 
       Notes                  : (multiple lines)
     Additional Information   : Triangular centering plate on a DORIS type
                                aluminium mast (1 meter mast fixed on the
                                top of a concrete bunker terrace).


2.   Site Location Information

     City or Town             : LA ROCHELLE
     State or Province        : CHARENTE MARITIME
     Country                  : FRANCE
     Tectonic Plate           : EURASIA
     Approximate Position
       X coordinate (m)       : 4424646.5 m
       Y coordinate (m)       :  -94175.3 m
       Z coordinate (m)       : 4577561.8 m
       Latitude (deg)         :  46.1590 N
       Longitude (deg)        :   1.2193 W
       Elevation (m)          :  80.3 m
     Additional Information   : (multiple lines)


3.   GPS Receiver Information

3.1  Receiver Type            : ASHTECH UZ-12
     Serial Number            : ZR220013809
     Firmware Version         : CJ00
     Date Installed           : 23-nov-2001 00:00 UT
     Date Removed             :
     Additional Information   :


4.   GPS Antenna Information

4.1  Antenna Type             : ASH701945B_M
     Serial Number            : CR620013801
     Antenna Height (m)       : 0.000 m
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 23-nov-2001 00:00 UT
     Date Removed             :
     Additional Information   : Antenna on the top of a 1 meter DORIS type mast
                                fixed on the top of a concrete bunker terrace
                                Hemispheric bronze bolt under the antenna.


5.   Local Site Ties

5.x  Monument Name            :
     Site Ref CDP Number      :
     Site Ref Domes Number    :
     Differential Components from GPS Mark to Site Reference (ITRS)
       dx (m)                 :
       dy (m)                 :
       dz (m)                 :
     Accuracy (mm)            :
     Date Measured            :
     Additional Information   :


6.   Frequency Standard

6.1  Standard Type            : INTERNAL
       Frequency              :
       Effective Dates        : 23-nov-2001 00:00 UT
       Notes                  :


7.   Collocation Information

7.1  Instrumentation Type     : Tide Gauge - Acoustic type
       Status                 : PERMANENT
       Effective Dates        : 28-APR-1997 - 13-NOV-2000
       Notes                  : 

7.2  Instrumentation Type     : Tide Gauge - Radar type
       Status                 : PERMANENT
       Effective Dates        : 02-AUG-2001 - NOW
       Notes                  : 

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                   : Centre Littoral de Geophysique (CLDG)
                              : Universite de la Rochelle
     Mailing Address          : Avenue Michel Crepeau
                              : 17042 La Rochelle, Cedex 1 (FRANCE)
     Primary Contact
       Contact Name           : Guy WOPPELMANN
       Telephone (primary)    : (33) 5 46 45 72 32
       Telephone (secondary)  : (33) 5 46 45 82 74
       Fax                    : (33) 5 46 45 82 49
       E-mail                 : gwoppelm@univ-lr.fr
     Secondary Contact
       Contact Name           : Pascal TIPHANEAU
       Telephone (primary)    : (33) 5 46 45 82 72
       Telephone (secondary)  :
       Fax                    : (33) 5 46 45 82 49
       E-mail                 :
     Additional Information   : ptiphane@univ-lr.fr


10.  Responsible Agency (if different from 9.)

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


11.  More Information

     URL for More Information : http://lareg.ensg.ign.fr/RGP/
     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
 

                                   ---
     L2 Phase Center =>         /    +    \                     <---  0.1280 L2
     L1 Phase Center =>        |     +     |                    <---  0.1100 L1
              +----------------------------------------------+  <---  0.1006 TCR
              |                                              |   
              |                                              |    
              |                                              |    
              |                                              |
            +--------------------------------------------------+ <--  0.0376
            +------------------+-----------+-------------------+ <--  0.0346 BCR
                               |           |                      
                               |    +-+    |
              +----------------+====| |====+-----------------+  <---  0.0000 BPA=ARP
              |     aluminium       | |     plate            |
              +-------| |-----------| |---------------| |----+
                      | |           +-+               | |
                      | |                             | |
                      | |                             | |
                      | |                             | |
                      | |                             | |
                      | |                             | |      DORIS aluminium mast
                      | |                             | |      of about 1 meter
                      | |                             | |
                      | |                             | |
                      | |                             | |
                      | |                             | |
                      | |                             | |
                      | |                             | |
                      | |                             | |
          ------------| |------------+----------------| |-----
                               Bunker Terrace
                             

   BPA: Bottom of Preamplifier
   ARP: Antenna Reference Point
   L1 : L1 Phase Center                   L2 : L2 Phase Center
   TCR: Top of Chokering                  BCR: Bottom of Chokering