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     SITE INFORMATION FORM
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0. Form

        Prepared by (full name): Keith F. Stark
        Date                   : 26-Sep-1996
        Report type            : UPDATE
          (NEW or UPDATE)

1. Site Identification of the GPS monument

        Site Name              : Madrid Deep Space Tracking Station
        4 char ID              : MADR
        Monument Inscription   : None
        IERS DOMES Number      : 13407 S012
        CDP Number             : 115
        Date                   : 01-Jan-1989
        Additional information : No monument

2. Site Location

        City                   : Robledo
        Country                : Spain
        Tectonic Plate         : Eurasian
        Additional information : Site is located on JPL's Madrid Tracking
                                 station which is south of Madrid, Spain
                                 near Robledo

3. GPS Receiver

A)      Type                   : ROGUE SNR-8
        Serial Number          :
        Firmware Version       : 4.1
        Date                   : 15-Dec-1989

B)      Type                   : ROGUE SNR-8
        Serial Number          :
        Firmware Version       : 6.9
        Date                   : 15-Apr-1992

C)      Type                   : ROGUE SNR-8
        Serial Number          :
        Firmware Version       : 7.1
        Date                   : 15-Jun-1992

D)      Type                   : ROGUE SNR-8
        Serial Number          :
        Firmware Version       : 7.6
        Date                   : 04-Feb-1994

4. GPS Antenna

        Type                   : DORNE MARGOLIN R
        Serial Number          : 15-Dec-1989
        Vertical Antenna Height: 0.0
        Antenna Reference Point: ARP
        Date                   : 15-Dec-1989
        Note                   : Antenna is mounted on the Roof of the SPC-60
                                 control room

        Type                   : DORNE MARGOLIN T
        Serial Number          :
        Vertical Antenna Height: 0.0254m
        Antenna Reference Point: ARP
        Date                   : 25-Sep-1996

5. Local Site Ties

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

MADR 1665            1565   13407S010 -134.1934  159.6660  164.3200

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 / x / Cesium /   /  Quartz /   /  Internal /   /
        Other (specify)        :
        Date                   :

        (Mark with 'X')


7. Collocation

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

        Other GEOPHYSICAL Instrumentation (specify)        :

        Other (specify)        :

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

8. On-site, Point of Contact Agency Information

        Agency                 : JPL
        Contact                : Keith F. Stark
        Address                : 4800 Oak Grove Drive,
                                 Pasadena Ca. 91109
        Telephone              : 818-354-5922
        E-mail                 : stark@logos.jpl.nasa.gov
        Fax                    : 818-393-4965

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

        Agency                 : JPL
        Contact                : Keith F. Stark
        Address                : 4800 Oak Grove Drive,
                                 Pasadena Ca. 91109
        Telephone              : 818-354-5922
        E-mail                 : stark@logos.jpl.nasa.gov
        Fax                    : 818-393-4965

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


   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               : 12/94
        Site Diagram           : 12/94
        Horizon Mask           : 12/94
        Monument description   : 12/94
        Site pictures          : 12/94