**********************************
      SITE INFORMATION FORM
 **********************************


 0. Form

         Prepared by            : C.Garcia
         Date                   : 19/04/96
         Report type            : UPDATE
           (NEW or UPDATE)

 1. Site Identification of the GPS monument

         Site Name              : Maspalomas
         4 char ID              : MAS1
         Monument Inscription   : None
         IERS DOMES Number      : 31303M002
         CDP Number             : None
         Date                   : 11/04/94
         Additional information : None

 2. Site Location

         City                   : Maspalomas (Gran Canaria)
         Country                : Spain
         Tectonic Plate         : African
         Additional information : None

 3. GPS Receiver

         Type                   : ROGUE SNR-8100
         Serial Number          : 107
         Firmware Version       : 2.8
         Date                   : 11/04/94 - 16/04/96

         Type                   : ROGUE SNR-12 RM
         Serial Number          : 228
         Firmware Version       : 3.2.32.1
         Date                   : 17/04/96

 4. GPS Antenna

         Type                   : DORNE MARGOLIN T
         Serial Number          : 152
         Date                   : 11/04/94 - 17/04/96

         Type                   : DORNE MARGOLIN T
         Serial Number          : 271
         Date                   : 18/04/96

         Vertical Antenna Height: 0.033
         Antenna Reference Point: Bottom of antenna
         Date                   : 18/04/96

    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

 .................... ....  ......... ......... ......... .........  .. ........
 Maspalomas (MASP)          31303M001  -3.120    0.845     9.563      2 94-04-11
 .................... ....  ......... ......... ......... .........  .. ........

    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 / X /    Quartz /   /     Internal /   /
         Other (specify)        : None
         Date                   : 11/04/94

         (Mark with 'X')

 7. Collocation

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

         Other GEOPHYSICAL Instrumentation (specify)        : None

         Other (specify)        : None

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

 8. On-site Agency Information

         Agency                 : INTA / Estacion Espacial de Maspalomas
         Contact                : At ESOC
         Address                : Estacion Espacial de Maspalomas
                                  PO Box no.29
                                  35100 Maspalomas
                                  Gran Canaria
                                  Spain
         Telephone              : 34-28-72-7141
                                        76-6190
         E-mail                 :
         Fax                    : 34-28-72-7124

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

         Agency                 : ESA / ESOC
         Contact                : J.Dow
         Address                : Robert-Bosch-Strasse 5
                                  D-6100
                                  Darmstadt
                                  Germany
         Telephone              : 49-6151-902272
         E-mail                 : JDOW@ESOC.BITNET
         Fax                    : 49-6151-90495

 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).

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

         Site Map               : X
         Site Diagram           : X
         Horizon Mask           :
         Monument description   : X
         Site pictures          :