MARA Site Information Form
     International GPS Service for Geodynamics

0.   Form

     Prepared by (full name)  : Mercedes Lopez, revised EW980709
     Date Prepared            : 18/06/1998
     Report Type              : NEW
     Prepared Using           :

1.   Site Identification of the GPS Monument

     Site Name                : Maracaibo
     Four Character ID        : MARA
     Monument Inscription     :
     IERS DOMES Number        : 42402M001
     CDP Number               :
     Date Installed           : 24/02/98 22:43
     Geologic Characteristic  : Conglomerate
       Bedrock Type           : Sedimentary
       Bedrock Condition      :
       Fracture Spacing       :
       Notes                  :
     Additional Information   : Height of monument total = 1.208m
                               (height of concrete monument +
                                height of plate)

2.   Site Location Information

     City or Town             : Maracaibo
     State or Province        : Zulia
     Country                  : Venezuela
     Tectonic Plate           : Carribean plate
     Approximate Position
       X coordinate (m)       : 1976117.083m
       Y coordinate (m)       :-5948895.246m
       Z coordinate (m)       : 1173592.100m
       Latitude (deg)         : 10.673977N
       Longitude (deg)        : 71.624431W
       Elevation (m)          : 28.424m
     Additional Information   :

3.   GPS Receiver Information

3.1  Receiver Type            : LEICA SR299E
     Serial Number            : SN 10579
     Firmware Version         : 5.02
     Date Installed           : 24/02/98 22:43
     Date Removed             :
     Additional Information   :

3.2  Receiver Type            : LEICA SR9500
     Serial Number            : SN 10579
     Firmware Version         : 5.02
     Date Installed           : 24/02/98 22:43
     Date Removed             :
     Additional Information   :

3.x  Receiver Type            :
     Serial Number            :
     Firmware Version         :
     Date Installed           :
     Date Removed             :
     Additional Information   :

4.   GPS Antenna Information

4.1  Antenna Type             : LEICA AT-303
     Serial Number            : 2014
     Antenna Height (m)       : 0.045m
     Antenna Reference Point  : BCR
     Degree Offset from North : 0
     Antenna Radome Type      : No radome
     Date Installed           : 24/02/98 22:43
     Date Removed             :
     Additional Information   :

4.2  Antenna Type             : LEIAT303
     Serial Number            : 2014
     Antenna Height (m)       : 0.0455m
     Antenna Reference Point  : BCR
     Degree Offset from North : 0
     Antenna Radome Type      : No radome
     Date Installed           : 24/02/98 22:43
     Date Removed             :
     Additional Information   :

4.x  Antenna Type             :
     Serial Number            :
     Antenna Height (m)       :
     Antenna Reference Point  :
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           :
     Date Removed             :
     Additional Information   :

5.   Local Site Ties

5.1  Monument Name            : EXC1
     Site Ref CDP Number      :
     Site Ref Domes Number    :
     Differential Components from GPS Mark to Site Reference (ITRS)
       dx (m)                 :  0.339 m
       dy (m)                 : -1.053 m
       dz (m)                 : -5.917 m
     Accuracy (mm)            :  2
     Date Measured            : 1998
     Additional Information   :

5.2  Monument Name            : EXC2
     Site Ref CDP Number      :
     Site Ref Domes Number    :
     Differential Components from GPS Mark to Site Reference (ITRS)
       dx (m)                 : -4.789 m
       dy (m)                 : -1.552 m
       dz (m)                 :  0.067 m
     Accuracy (mm)            :  2
     Date Measured            : 1998
     Additional Information   :

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        :
       Notes                  :

6.x  Standard Type            :
       Frequency              :
       Effective Dates        :
       Notes                  :

7.   Collocation Information

7.1  Instrumentation Type     : PRARE
       Status                 : PERMANENT
       Effective Dates        : SINCE 01/12/96
       Notes                  :

7.x  Instrumentation Type     : 
       Status                 : 
       Effective Dates        : 
       Notes                  :

8.   Meteorological Instrumentation

8.1  Humidity Sensor Model    :
       Manufacturer           :
       Data Frequency         :
       Accuracy (% rel h)     :
       Effective Dates        :
       Notes                  :

8.2  Pressure Sensor Model    :
       Manufacturer           :
       Data Frequency         :
       Accuracy (mbar)        :
       Height Diff to GPS (m) :
       Effective Dates        :
       Notes                  :

8.3  Temperature Sensor Model :
       Manufacturer           :
       Data Frequency         :
       Accuracy (deg C)       :
       Effective Dates        :
       Notes                  :

8.4  Water Vapor Radiometer   :
       Manufacturer           :
       Distance to GPS (m)    :
       Elev Diff to GPS (m)   :
       Effective Dates        :
       Notes                  :

8.5  Other Instrumentation    : Meteorological sensor of PRARE station
                                TIMETECH TM-100

9.   On-Site, Point of Contact Agency Information

     Agency                   : Laboratorio de Geodesia Fisica y Satelital
                                (LGFS)
                                La Universidad del Zulia

     Mailing Address          : Av. 16 Guajira. LUZ.
                                Facultad de Ingenieria.
                                Edif. de Profesores.
                                Apartado Postal 15439.
                                Maracaibo - Z.P. 4005.
                                Venezuela.



     Primary Contact Name     : Eugen Wildermann
       Telephone (primary)    : 0058-61-430319
       Telephone (secondary)  : 0058-14-9603142
       Fax                    : 0058-61-512214/597324/594828
       E-mail                 : ewilderm@luz.ve
     Secondary Contact
       Contact Name           : Melvin Hoyer
       Telephone (primary)    : 0058-14-9602620
       Telephone (secondary)  :
       Fax                    : 0058-61-512214/597324/594828
       E-mail                 : mhoyer@luz.ve
     Additional Information   :

10.  Responsible Agency (if different from 9.)

     Agency                   : DGFI
     Mailing Address          : Marstallplatz 8
				D-80539 Muenchen
				Germany
     Primary Contact
       Contact Name           : Hermann Drewes
       Telephone (primary)    : +49-89-23031106
       Telephone (secondary)  :
       Fax                    : +49-89-23031240
       E-mail                 : drewes@dgfi.badw-muenchen.de
     Secondary Contact
       Contact Name           : Klaus Stuber
       Telephone (primary)    : +49-89-23031119
       Telephone (secondary)  :
       Fax                    : +49-89-23031240
       E-mail                 : stuber@dgfi.badw-muenchen.de
     Additional Information   :

11.  More Information

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

     (insert text graphic)





                        ANTENNA DIMENSIONS
                        ------------------



          		 LEICA AT-303

                         -----
                     /     +     \                        <-- 0.0878m  L2
                    |      +      |                       <-- 0.0795m  L1
  +-----------------+-------------+------------------+
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
+-+--------------------------------------------------+-+
+--------------------------x---------------------------+  <-- 0.000 BCR=ARP





   ARP: Antenna Reference Point
   L1 : L1 Phase Center                   L2 : L2 Phase Center
   TCR: Top of Chokering                  BCR: Bottom of Chokering
   TGP: Top of Ground Plane               BGP: Bottom of Ground Plane
   TPA: Top of Preamplifier               BPA: Bottom of Preamplifier
   TOP: Top of Pole