TERS Site Information Form
     International GPS Service for Geodynamics


0.   Form

     Prepared by (full name)  : Hans van der Marel
     Date Prepared            : 13-JUN-1999
     Report Type              : UPDATE
     Prepared Using           :


1.   Site Identification of the GPS Monument

     Site Name                : Terschelling
     Four Character ID        : TERS
     Monument Inscription     : Top of Mast (mark #02)
     IERS DOMES Number        : 13534M001
     CDP Number               : not assigned
     Date Installed           : 30-OCT-1996 hh:mm UT
     Geologic Characteristic  : SAND
       Bedrock Type           : SEDIMENTARY
       Bedrock Condition      : not applicable
       Fracture Spacing       : not applicable       
       Notes                  : Marker on top of 12 meter steel mast, founded on 
                              : pleistocene sandlayes using concrete pillars
     Additional Information   : Point No. in National Triangulation: RD 059306
                              : Point No. in National Height System: NAP 0A-4038
                              : The station is operating under responsibility
                              : of the AGRS.NL organisation (MD/KAD/TUD)


2.   Site Location Information

     City or Town             : West-Terschelling
     State or Province        : Friesland
     Country                  : Netherlands
     Tectonic Plate           : Eurasian
     Approximate Position
       X coordinate (m)       : 3798580.870 (m)
       Y coordinate (m)       :  346993.832 (m)
       Z coordinate (m)       : 5094780.817 (m)
       Latitude (deg)         : 53.21'45.8490" N
       Longitude (deg)        : 05.13'09.7874" E
       Elevation (m)          : 56.0894 m            (14.69 m above sea level)
     Additional Information   : RIKZ Tide Gauge station (getijmeetstation
                              : Terschelling), Terschelling harbour, North Sea
                              : coast.


3.   GPS Receiver Information

3.1  Receiver Type            : ROGUE SNR-12 RM
     Serial Number            : 227
     Firmware Version         : 3.2.32.1
     Date Installed           : 30-OCT-1996 hh:mm UT
     Date Removed             : (dd-MMM-yyyy dd:mm UT)
     Additional Information   : 

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             : AOAD/M_T        DOME
     Serial Number            : 241
     Antenna Height (m)       : 0.000
     Antenna Reference Point  : ARP
     Degree Offset from North :
     Antenna Radome Type      : DOME (VANLOON DESIGN)
     Date Installed           : 30-OCT-1996 hh:mm UT
     Date Removed             : (DD-MMM-YYYY hh:mm UT)
     Additional Information   : Conical fiber glass antenna radome (designed by 
                                Danny Van Loon) is used on the AOAD/M_T antenna

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

5.1  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            :
       Frequency              :
       Effective Dates        :
       Notes                  :

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

7.1  Instrumentation Type     : 
       Status                 : 
       Effective Dates        : 
       Notes                  : 

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                   : Delft University of Technology (DUT)
     Mailing Address          : Thijssweg 11
                              : Delft, The Netherlands
                              : 2629 JA
     Primary Contact
       Contact Name           : Hans van der Marel
       Telephone (primary)    : (0031) 15 278 4907
       Telephone (secondary)  : (0031) 15 262 1844
       Fax                    : (0031) 15 278 3711
       E-mail                 : H.vanderMarel@Geo.TUDelft.nl
     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 : http://www.agrs.nl/station/terschelling
     Hardcopy on File
       Site Map               : X
       Site Diagram           : X
       Horizon Mask           : X
       Monument Description   : X
       Site Pictures          : http://www.agrs.nl/station/eijsen/tersch1.gif
     Additional Information   : No obstacles above 0 degrees of elevation. 
     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

A conic radome (Van Loon design) is placed on top of the Chokering.


Revision history:

13 june 1999 - Hans van der Marel

   * Changed old EUREF format to IGS format
   * Changed antenna type to new IGS standard
   * Added URL's
   * Few formatting changes

28 October 1996 - Hans van der Marel
 
   * Initial version (in old EUREF format).