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


0. Form

        Prepared by (full name):  DAVID C. CHASE
        Date                   :  8 MAY 1996
        Report type            :  NEW
           (NEW or UPDATE)

1. Site Identification of the GPS monument

        Site Name              :  BAHRAIN GPS STATION
        4 char ID              :  BAHR
        Monument Inscription   :  WM1
        IERS DOMES Number      :  249010M02
        CDP Number             :
        Date                   :
        Additional information :

2. Site Location

        City                   :  MANAMA
        Country                :  BAHRAIN
        Tectonic Plate         :
        Additional information :

   Approximate Geodetic Coordinates
        Latitude               :  26.20913841 deg North
        Longitude              :  50.60814276 deg East
        Height                 : -16.949  Meters

3. GPS Receiver

        Type                   :  ASHTECH Z-12
        Serial Number          :  03209
        Firmware Version       :  1Y04-0A73
        Date                   :

   (use type names from attached list)

4. GPS Antenna

        Type                   :  ASHTECH DORNE MARGOLIN
        Serial Number          :  11942
        Date                   :  29 AUGUST 1995  1100Z

   (use type names from attached list)

        Vertical Antenna Height:  3.122 m.  From Station Ground Mark WM1 to ARP
        Antenna Reference Point:  BASE OF ANTENNA
        Date                   :  29 AUGUST 1995  1100Z

5. Local Site Ties

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

...................   ....... ........   ........ ........ ........ .. .. .. ..
...................   ....... ........   ........ ........ ........ .. .. .. ..
...................   ....... ........   ........ ........ ........ .. .. .. ..

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)        :
        Date                   :  20 MARCH 1995

        (Mark with 'X')

7. Collocation

        SLR    /   /    VLBI  /  /     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                 :  DEFENSE MAPPING AGENCY
        Contact                :  DAVID C. CHASE
        Address                :  3200 SOUTH SECOND STREET  STOP L-41
                                      ST. LOUIS, MO   63118
        Telephone              :  (314)-260-1049
        E-mail                 :  chased@dma.gov
        Fax                    :  (314)-260-1175

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.


              Ashtech: DORNE MARGOLIN ASH

                         -----
                     /     +     \                        <--  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               :  X
        Site Diagram           :  X
        Horizon Mask           :  X
        Monument description   :  X
        Site pictures          :