0. Form

        Prepared by            : Urs Wild (Federal Office of Topography)
        Date                   : 2-June-93
        Report type            : NEW
          (NEW or UPDATE)

1. Site Identification of the GPS monument

        Site Name              : Zimmerwald L+T 88
        4 char ID              : ZIMM
        Monument Inscription   :
        IERS DOMES Number      : 14001M004
        CDP Number             :
        Date                   : 1988
        Additional information : 9m steel mast

2. Site Location

        City                   : Zimmerwald
        Country                : Switzerland
        Tectonic Plate         : Eurasian Plate
        Additional information : ---

3. GPS Receiver

        Type                   : TRIMBLE 4000SSE
        Serial Number          : 3310A02691
        Firmware Version       : 5.60
        Date                   : 01 May 93

   (use type names from attached list)

4. GPS Antenna

        Type                   : TRIMBLE 4000ST L1/L2 GEOD
        Serial Number          : 3311A67905
        Date                   : 01 May 93

   (use type names from attached list)

        Vertical Antenna Height: 0.000
        Antenna Reference Point: Bottom of preamplifier
        Date                   : 01 MaY 93

   The antenna height is measured from the GPS monument to the antenna
   reference point (ARP) as it has been defined in the graphics (item 10).

5. Local Site Ties

Monument             CDP    DOMES              Components        Accuracy  Date
Inscription          Number Number       dX        dY        dZ     mm yy-mm-dd

Laser (7810)         7810   14001S001 -13.680    -6.012     6.242    1 90-01-25
GPS87                                  -3.492   -13.817     2.133    1 90-01-25

   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    / P /    VLBI  /   /     DORIS  /   /     PRARE    /   /

        Other GEOPHYSICAL Instrumentation (specify)        :

        Other (specify)        :

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

8. On-site Agency Information

        Agency                 : Federal Office of Topography
        Contact                : Urs Wild
        Address                : Seftigenstrasse 264, CH-3084 Wabern
        Telephone              : ++41 31 963 21 11
        E-mail                 : WILD@AIUB.UNIBE.CH
        Fax                    : ++41 31 963 24 59

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.

               Trimble: 4000ST L1/L2 GEOD

                       ----+----                          <--  0.070  L1
                    /      +      \                       <--  0.068  L2
++----------------+-----------------+-----------------++  <--  0.063  TGP
++---------------+-------------------+----------------++  <--  0.060  BGP
                 |                   |
                  |                 |
                   |               |
                    +------x------+                       <--  0.000  ARP=BPA

                    <--  0.140  -->                                   BPA
                 <--     0.155     -->                                TPA
 <--                     0.467                      -->               NOTCHES
<--                      0.483                       -->              EDGE


11. Hard copy information

    The next items should be compiled and sent to the Central Bureau (see
    original IGS Station Information Report).

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

        Site Map               : X
        Site Diagram           : X
        Horizon Mask           : No obstruction above 0 degrees
        Monument description   :
        Site pictures          :

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