ALUM Site Information Form
     Instituto Geografico Militar (IGM-Argentina)

0.   Form

     Prepared by (full name)  : Diego Alejandro Pinon
     Date Prepared            : 2008-11-14            
     Report Type              : NEW          
     Prepared Using           : 

1.   Site Identification of the GPS Monument

     Site Name                : Alumbrera        
     Four Character ID        : ALUM
     Monument Inscription     : NONE
     IERS DOMES Number        : 41535M001	          
     CDP Number               :
     Date Installed           : 2008-10-16 
     Geologic Characteristic  : 
       Bedrock Type           : 
       Bedrock Condition      :
       Fracture Spacing       :
       Notes                  :
     Additional Information   : The antenna is mounted on a metal
                                pin fixed to a concrete pillar.

2.   Site Location Information

     City or Town             : Mina Alumbrera
     State or Province        : Catamarca
     Country                  : Argentina
     Tectonic Plate           : South America
     Approximate Position
       X coordinate (m)       : 2253332
       Y coordinate (m)       :-5206244
       Z coordinate (m)       :-2911347
       Latitude (deg)         :-271924
       Longitude (deg)        :-0663547
       Elevation (m)          : 2736m
     Additional Information   :

3.   GPS Receiver Information

3.1  Receiver Type            : TRIMBLE NETR5
     Serial Number            : 4819K55780
     Firmware Version         : 3.60   
     Date Installed           : 2008-10-16 00:00 UTC
     Date Removed             :                     
     Additional Information   :

4.   GPS Antenna Information

4.1  Antenna Type             : TRM55971.00  
     Serial Number            : 30895100
     Antenna Height (m)       : 0.0000m
     Antenna Reference Point  : BPA
     Degree Offset from North : 0
     Antenna Radome Type      : TZGD
     Date Installed           : 2008-10-16 00:00 UTC
     Date Removed             :
     Additional Information   :

5.   Local Site Ties

5.1  Monument Name            : 
     Site Ref CDP Number      :
     Site Ref Domes Number    :
     Differential Components from GPS Mark to Site Reference (ITRS)
       dx (m)                 : m
       dy (m)                 : m
       dz (m)                 : m
     Accuracy (mm)            :  
     Date Measured            : 
     Additional Information   :

6.   Frequency Standard

6.1  Standard Type            : 
       Frequency              :
       Effective Dates        :
       Notes                  :

7.   Collocation Information

7.1  Instrumentation Type     : 
       Status                 : 
       Effective Dates        : 
       Notes                  :

8.   Meteorological Instrumentation

8.1  Humidity Sensor Model    :
       Manufacturer           :
       Data Frequency         :
       Accuracy (% rel h)     :
       Effective Dates        :
       Notes                  :

8.2  Pressure Sensor Model    :
       Manufacturer           :
       Data Frequency         :
       Accuracy (mbar)        :
       Height Diff to GPS (m) :
       Effective Dates        :
       Notes                  :

8.3  Temperature Sensor Model :
       Manufacturer           :
       Data Frequency         :
       Accuracy (deg C)       :
       Effective Dates        :
       Notes                  :

8.4  Water Vapor Radiometer   :
       Manufacturer           :
       Distance to GPS (m)    :
       Elev Diff to GPS (m)   :
       Effective Dates        :
       Notes                  :

8.5  Other Instrumentation    : 

9.   On-Site, Point of Contact Agency Information

     Agency                   : Minera Alumbrera
     Mailing Address          :  
     Primary Contact Name     : Juan Corra
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    :  
       E-mail                 : jcorra@xstratacopper.com.ar
     Secondary Contact
       Contact Name           : 
       Telephone (primary)    : 
       Telephone (secondary)  :
       Fax                    :                 
       E-mail                 : 
     Additional Information   :

10.  Responsible Agency (if different from 9.)

     Agency                   : Instituto Geográfico Militar 
     Mailing Address          : Instituto Geografico Militar (IGM)
                              : Division Geodesia - Cabildo 381
				      : Buenos Aires - (1426)
                              : Republica Argentina
     Primary Contact Name     : Sergio Ruben Cimbaro
       Telephone (primary)    : +54-11-4576-5576 int. 194
       Telephone (secondary)  : 
       Fax                    :  
       E-mail                 : scimbaro@igm.gov.ar
     Secondary Contact
       Contact Name           : Diego Alejandro Pinon 
       Telephone (primary)    : +54-11-4576-5576 int. 194
       Telephone (secondary)  :
       Fax                    :                 
       E-mail                 : dpinon@igm.gov.ar
     Additional Information   :
     Additional Information   : 

11.  More Information

     URL for More Information :
     Hardcopy on File
       Site Diagram           : (Y)
       Site Map               : (Y)
       Horizon Mask           : (Y)
       Monument Description   : (Y)
       Site Pictures          : (Y)
     Additional Information   : (multiple lines)
     Antenna Graphics with Dimensions


    / ----------------------+--------------------- \   <--  0.0850  L1
   +                        +                       +  <--  0.0701  L2
    \ -------------------------------------------- /   
                    \               /
                     \             /
                      \-----+-----/                    <--  0.0000  ARP / BPA   

   <--                   0.3396                  -->


   ARP: Antenna Reference Point
   L1 : L1 Phase Center                   L2 : L2 Phase Center
   TCR: Top of Chokering                  BCR: Bottom of Chokering
   TGP: Top of Ground Plane               BGP: Bottom of Ground Plane
   TPA: Top of Preamplifier               BPA: Bottom of Preamplifier