TERS Site Information Form
     International GPS Service for Geodynamics


0.   Form

     Prepared by (full name)  : Hans van der Marel
     Date Prepared            : 22-MAR-2001
     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
       Y coordinate (m)       :  346993.832
       Z coordinate (m)       : 5094780.817
       Latitude (deg)         :  53.3628 N
       Longitude (deg)        : 005.2194 E
       Elevation (m)          : 56.0894            
     Additional Information   : RIKZ Tide Gauge station (getijmeetstation
                              : Terschelling), Terschelling harbour, North Sea
                              : coast.
                              : (14.69 m above sea level)


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             : 13-JUL-1999 14:05 UT
     Additional Information   : Firmware change.

3.2  Receiver Type            : ROGUE SNR-12 RM
     Serial Number            : 227
     Firmware Version         : 3.2.32.9
     Date Installed           : 13-JUL-1999 14:35 UT
     Date Removed             : 26-APR-2000 15:00 UT
     Additional Information   : 

3.3  Receiver Type            : TRIMBLE 4700
     Serial Number            : 0220196518
     Firmware Version         : 1.20
     Date Installed           : 27-APR-2000 10:50 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        DUTD
     Serial Number            : 241
     Antenna Height (m)       : 0.000
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      : DUTD
     Date Installed           : 30-OCT-1996 hh:mm UT
     Date Removed             : 26-APR-2000 15:00 UT
     Additional Information   : A conical polyester antenna radome is used on the 
                                AOAD/M_T antenna. This is one of the earlier radome 
                                designs, by Danny van Loon, in 1991. For some time, 
                                it has also been used in the Swedish network,
                                but there it has been phased out.

4.2  Antenna Type             : TRM29659.00     UNAV
     Serial Number            : 0220193243
     Antenna Height (m)       : 0.000
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      : UNAV
     Date Installed           : 27-APR-2000 10:50 UT
     Date Removed             : dd-MMM-yyyy hh:mm UT
     Additional Information   : 

4.x  Antenna Type             :
     Serial Number            :
     Antenna Height (m)       : (m)
     Antenna Reference Point  : (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.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.

Replaced by a similar design of Trimble, with spherical radome, on 
April 27 2000.


Revision history:

22 March 2001 - Hans van der Marel

   * ARP changed to BPA

27 April 2000 - Hans van der Marel

   * Turbo Rogue replaced by Trimble 4700 CORS station
   * AOA chokering replaced by Trimble Chokering and spherical radome

15 July 1999 - Hans van der Marel

   * Change in receiver firmware
   * Introduction of DUTD radome type

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).