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                        EUREF SITE INFORMATION FORM
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0. Form

        Prepared by (full name): Hans van der Marel
        Date                   : 27 March 1996
        Report type            : NEW
           (NEW or UPDATE)
 
1. Site Identification of the GPS monument

        Site Name              : Delft
        4 char ID              : DELF
        Monument Inscription   : GPS (mark #16)
        IERS DOMES Number      : 13502M004
        EUREF Number           : 0043
        Date                   : 11 April 1978
        Additional information : Point No. in National Triangulation: RD 370351 

2. Site Location

        City                   : Delft
        Country                : Netherlands
        Tectonic Plate         : Eurasian
        Additional information : Geodesy building Thijsseweg 11, 5 km South 
                                 of the center of town. Motorway A13, exit 
                                 Delft Zuid / Technische Universiteit Delft

   Approximate Geodetic Coordinates
        Latitude               : 51 59' 9"91561
        Longitude              :  4 23'15"94987
        Height                 : 74.298 m        (30.76 m above sea level)

   Latitude, Longitude and Heigth are for the observation platform on
   the top of the Geodesy Building (EUREF/GPS mark #18)

3. GPS Receiver

        Type                   : ROGUE SNR-8000
        Serial Number          : 175
        Firmware Version       : 3.2.32.1
        Date                   : 30 Dec. 1994

        Type                   : ROGUE SNR-12 RM
        Serial Number          : 222
        Firmware Version       : 3.2.32.1
        Date                   : 27 Dec. 1995

   (use type names from attached list)

4. GPS Antenna

        Type                   : DORNE MARGOLIN T  
        Serial Number          : 117
        Date                   : 30 Dec. 1994

        Type                   : DORNE MARGOLIN T  
        Serial Number          : 246
        Date                   : 08 March 1996

   (use type names from attached list)

        Vertical Antenna Height: 0.0000
        Antenna Reference Point: ARP
        Date                   : 30 Dec. 1994

5. Local Site Ties
        
Monument               EUREF   DOMES             Components      Accuracy  Date
Name                   Number  Number       dX       dY      dZ     mm yy-mm-dd

BIG ASTRON. PILLAR             13502M001    1.818    0.958   -1.584  1 94-04-19
GPS (mark #15)                 13502M003    0.807   -1.748   -0.524  1 94-04-19
GPS (mark #16)                 13502M004    0.000    0.000    0.000  
EUREF/GPS (mark#18)      0043  13502M002    1.596   12.563   -2.121  1 94-04-19
GPS (mark #19)                 13502M005    3.344   10.491   -3.358  1 94-04-19
GPS (mark #20)                 13502M006    9.491   -0.936   -7.480  1 94-04-19
GPS (mark #21)                 13502M007   12.008   -7.080   -9.073  1 94-04-19


Differential coordinates from the GPS monument to the reference and 
other monuments. The components are parallel to the XYZ-axes of the 
global geocentric reference system ITRF (WGS-84).

"Accuracy" is estimated accuracy of local survey (millimeters).

6. Frequency standard

        H-maser /   /   Cesium /   /    Quartz /   /     Internal / X /
        Other (specify)        :
        Date                   :

        (Mark with 'X')

7. Collocation

        SLR    /   /    VLBI  /  /     DORIS  /  /     PRARE    /  /  

        Other GEOPHYSICAL Instrumentation (specify) :

        Other (specify)        : 

        Surface meteo (pressure, temperature and humidity) data is
        available at 1 minute intervals.

        (Mark with 'P' for permanent, 'M' for mobile collocation)

8. On-site, Point of Contact Agency Information 

        Agency                 : Delft Geodetic Computing Centre
        Contact                : Hans van der Marel, Gyuri Husti
        Address                : Fac. of Geodetic Eng., Delft University of 
                                 Technology, Thijsseweg 11, 2629 JA  Delft, 
                                 The Netherlands
        Telephone              : ++31 15 278 4907/4545  (secr. ext. 3546) 
        E-mail                 : H.vanderMarel@Geo.TUDelft.nl
        Fax                    : ++31 15 278 3711
                                

9. Responsible Operations Agency 
   (if different from item 8)

        Agency                 :
                                
        Contact                :
        Address                :
                                
        Telephone              :
        E-mail                 : 
        Fax                    :

10. Please insert here the character graphics corresponding to the 
antenna type. Check, complete or change if necessary the antenna 
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

11. Hard copy information

The next items should be compiled and sent to the Central Bureau 
(see original IGS Station Information Report, or contact the CB for 
forms).

   Please mark 'X' if on file or date expected to be available.

        Site Map               : http://www.geo.tudelft.nl/maps/georoute.html
        Site Diagram           : http://www.geo.tudelft.nl/mgp/agrs/station/
                                       delft/site_sketch.gif
        Horizon Mask           : no obstacles above 3 degrees elevation
        Monument description   : http://www.geo.tudelft.nl/mgp/agrs/station/
                                       delft/index.html
        Site pictures          : http://www.geo.tudelft.nl/mgp/agrs/station/
                                       delft/pictures.html

        Html pages available from 1 April 1996.