BRUS Site Information Form
     International GPS Service for Geodynamics


0.   Form

     Prepared by (full name)  : Bruyninx Carine
     Date Prepared            : 14-JAN-1997
     Report Type              : UPDATE
     Prepared Using           :


1.   Site Identification of the GPS Monument

     Site Name                : Brussels
     Four Character ID        : BRUS
     Monument Inscription     : GPS astrolab
     IERS DOMES Number        : 13101M004
     CDP Number               : not assigned
     Date Installed           : 20-OCT-1993 hh:mm UT
     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   : Station located at old
                              : astrolab observation dome


2.   Site Location Information

     City or Town             : Brussels
     State or Province        :
     Country                  : Belgium
     Tectonic Plate           : Eurasian
     Approximate Position
       X coordinate (m)       : (m)
       Y coordinate (m)       : (m)
       Z coordinate (m)       : (m)
       Latitude (deg)         : ( dd.dddd N/S)
       Longitude (deg)        : (ddd.dddd E/W)
       Elevation (m)          : (m)
     Additional Information   : (multiple lines)


3.   GPS Receiver Information

3.1  Receiver Type            : ROGUE SNR-8000
     Serial Number            : T174
     Firmware Version         : 2.8
     Date Installed           : 20-OCT-1993 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)

3.2  Receiver Type            : ROGUE SNR-8000
     Serial Number            : T171
     Firmware Version         : 2.8
     Date Installed           : 24-APR-1994 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)

3.3  Receiver Type            : ROGUE SNR-8000
     Serial Number            : T321
     Firmware Version         : 2.8
     Date Installed           : 30-SEP-1995 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)

3.4  Receiver Type            : ROGUE SNR-12 RM
     Serial Number            : 251
     Firmware Version         : 3.2.32.4
     Date Installed           : 14-JAN-1997 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)

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             : DORNE MARGOLIN T
     Serial Number            : 183
     Antenna Height (m)       : 3.9702
     Antenna Reference Point  : ARP
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 20-OCT-1993 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)

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            : GPS Chimney
     Site Ref CDP Number      : 13101M003
     Site Ref Domes Number    : not ass.
     Differential Components from GPS Mark to Site Reference (ITRS)
       dx (m)                 :  65.256
       dy (m)                 :  31.520
       dz (m)                 : -65.110
     Accuracy (mm)            : 01
     Date Measured            : 15-MAR-1995 hh:mm UT
     Additional Information   : (multiple lines)


6.   Frequency Standard

6.1  Standard Type            : CESIUM
       Frequency              :
       Effective Dates        : 27-APR-1994 - dd-MMM-yyyy
       Notes                  : (multiple lines)

6.2  Standard Type            : H-MASER
       Frequency              :
       Effective Dates        : 23-AUG-1994 - 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                  : cryogenic gravimeter, absolute gravity
                              : (1-2/year), seismic station
                              : The ROB is located near the Meteorological
                              : Institute


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                   : Royal Observatory of Belgium
     Mailing Address          : Av. Circulaire No 3
                              : B-1180 Brussels
     Primary Contact
       Contact Name           : Carine Bruyninx
       Telephone (primary)    : 32-2-373-02-92
       Telephone (secondary)  :
       Fax                    : 32-2-374-98-22
       E-mail                 : c.bruyninx@oma.be
     Secondary Contact
       Contact Name           : M. Brondeel, R. Warnant
       Telephone (primary)    :
       Telephone (secondary)  :
       Fax                    :
       E-mail                 : m.brondeel@oma.be, r.warnant@oma.be
     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           : X
       Horizon Mask           : (Y)
       Monument Description   : X
       Site Pictures          : (Y)
     Additional Information   : (multiple lines)
     Antenna Graphics with Dimensions


TURBOROGUE: DORNE MARGOLIN T

                         -----
                     /     +     \                        <-- 0.128  L2
                    |      +      |                       <-- 0.110  L1
  +--------------------------------------------------+    <-- 0.102  TCR
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
+-+--------------------------------------------------+-+  <-- 0.038
+-------------------+-------------+--------------------+  <-- 0.035  BCR
                    |             |
                   =|             |
                    +------x------+                       <-- 0.000  ARP

<--                      0.381                       -->


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