CAGL Site Information Form
     International GPS Service for Geodynamics


0.   Form

     Prepared by (full name)  : Roberto Faccia
     Date Prepared            : 20-APR-2001
     Report Type              : UPDATE
     Prepared Using           :


1.   Site Identification of the GPS Monument

     Site Name                : Cagliari - Astronomic Station
     Four Character ID        : CAGL
     Monument Inscription     : Pillar Marker "G"
     IERS DOMES Number        : 12725M003
     CDP Number               :
     Date Installed           : (dd-MMM-yyyy hh:mm UT)
     Geologic Characteristic  : BEDROCK
       Bedrock Type           : IGNEOUS
       Bedrock Condition      :
       Fracture Spacing       :
     Additional Information   : Noto is a reference point of the Italian 
                                GPS
                              : Fiducial Network created by the Italian 
                              : Space Agency.


2.   Site Location Information

     City or Town             : Cagliari
     State or Province        :
     Country                  : Italy
     Tectonic Plate           : Eurasian Plate
     Approximate Position
       X coordinate (m)       : 4893378.944
       Y coordinate (m)       :  772649.645
       Z coordinate (m)       : 4004182.051
       Latitude (deg)         :  39.1359 N
       Longitude (deg)        :   8.9728 E
       Elevation (m)          : 238.36
     Additional Information   :


3.   GPS Receiver Information

3.1  Receiver Type            : ROGUE SNR-8100
     Serial Number            : 159
     Firmware Version         : 2.8.32.1 (Made Thur 93/09/02)
     Date Installed           : 07-APR-1995
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)


4.   GPS Antenna Information

4.1  Antenna Type             : AOAD/M_T
                              : DORNE MARGOLIN WITH CHOKERINGS 
(TURBOROGUE)
     Serial Number            : 453
     Antenna Height (m)       : 0.045
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 07-APR-1995
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)


5.   Local Site Ties

5.1  Monument Name            : SLR (MARKER O)
     Site Ref CDP Number      : 7545
     Site Ref Domes Number    : 12725M002
     Differential Components from GPS Mark to Site Reference (ITRS) 
                                (O-G)
       dx (m)                 :  19.036
       dy (m)                 :  23.844
       dz (m)                 : -40.947
     Accuracy (mm)            : 1.5
     Date Measured            : 10-JUN-1995
     Additional Information   : (multiple lines)


5.2  Monument Name            : FIXED SLR
     Site Ref CDP Number      : 6201
     Site Ref Domes Number    :
     Differential Components
       dx (m)                 :
       dy (m)                 :
       dz (m)                 :
     Accuracy (mm)            :
     Date Measured            :
     Additional Information   : (multiple lines)


6.   Frequency Standard

6.1  Standard Type            : INTERNAL
       Frequency              :
       Effective Dates        :  dd-MMM-yyyy
       Notes                  :



7.   Collocation Information

7.x  Instrumentation Type     : SLR
       Status                 : (PERMANENT/MOBILE)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)


8.   Meteorological Instrumentation


9.   On-Site, Point of Contact Agency Information

     Agency                   : Agenzia Spaziale Italiana
     Mailing Address          : P.O.BOX 155 - 75100 Matera, ITALY
     Primary Contact
       Contact Name           : Dott. Francesco VESPE
       Telephone (primary)    : ++39.0835.377211
       Telephone (secondary)  :
       Fax                    : ++39.0835.339005
       E-mail                 : vespe@asi.it


10.  Responsible Agency (if different from 9.)

     Agency                   : Telespazio S.p.A
     Mailing Address          : P.O.BOX 155 - 75100 Matera, ITALY
     Primary Contact
       Contact Name           : Domenico DEL ROSSO
       Telephone (primary)    : ++39.0835.377203
       Telephone (secondary)  : ++39.0835.377293
       Fax                    : ++39.0835.334951
       E-mail                 : retegps@asi.it


11.  More Information

     URL for More Information : 
http://geodaf.mt.asi.it/GDHTL/cagliari.html
     Additional Information   : Survey of Site
                              : 
http://geodaf.mt.asi.it/GDHTL/surv_rep.html


     Antenna Graphics with Dimensions

AOAD/M_T
Dorne Margolin with chokerings (TurboRogue)


                      +---------+
                     /     +     \                        <--  0.1280 L2
                    |      +      |                       <--  0.1100 L1 

  +-----------------+-------------+------------------+    <--  0.1020 
TCR
  |                                                  |   
  |                                                  |
  |                                                  |
  |                                                  |
+-+--------------------------------------------------+-+  <--  0.0380
+-------------------+-------------+--------------------+  <--  0.0350 BCR
                    |             |
                    |             |
                    +------x------+                       <--  0.0000 BPA
                           |
                           |
                           |
                           |   Antenna Height  0.045 M
                           |
                           |
                           |
 --------------------------x-------------------------
                         marker

<--                      0.3810                      -->


   ARP: Antenna Reference Point
   L1 : L1 Phase Center                   L2 : L2 Phase Center
   TCR: Top of Chokering                  BCR: Bottom of Chokering
   BPA: Bottom of Preamplifier