CPDP Site Information
     IGEF-UNAM Instituto de Geofisica. 
     Department of Seismology  

0.   Form

     Prepared by (full name)  : Jose Antonio Santiago Santiago
     Date Prepared            : 08-JUN-2006
     Report Type              : 
     Prepared Using           : 


1.   Site Identification of the GPS Monument

     Site Name                : CERRO DE PIEDRA
     Four Character ID        : CPDP
     Monument Inscription     : 
     IERS DOMES Number        : SCIGN
     CDP Number               : (XXXX)               
     Monument Description     : (PILLAR/BRASS PLATE/STEEL MAST/etc)
       Height of the Monument : (m)
       Monument Foundation    : (STEEL RODS, CONCRETE BLOCK, ROOF, etc)
       Foundation Depth       : (m)
     Marker Description       : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc)
     Date Installed           : 29-MAY-2003
     Geologic Characteristic  : 
      Bedrock Type            : 
      Bedrock Condition       : 
      Fracture Spacing        : 
     Notes                    : 
     Additional Information   : 
                                                   
                             
2.   Site Location Information

     City or Town             : CERRO DE PIEDRA
     State or Province        : Guerrero
     Country                  : Mexico
     Tectonic Plate           : NA
     Approximate Position (ITRF)
       X coordinate (m)       : -1021813.661987
       Y coordinate (m)       : -6022344.905951
       Z coordinate (m)       : 1829236.1235937
       Latitude (N is +)      : +164637.20
       Longitude (E is +)     : -0993746.88
       Elevation (m,ellips.)  : 60
     Additional Information   :


3.   GPS Receiver Information

3.1  Receiver Type            : ASHTECH UZ-12
     Satellite System         : GPS
     Serial Number            : ZR520021810? sera este equipo y/o estas fechas?
     Firmware Version         : CJ12
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 29-MAY-2003
     Date Removed             : 05-JUL-2003?
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)


3.2  Receiver Type            : ASHTECH UZ-12
     Satellite System         : GPS
     Serial Number            : ZR520021810
     Firmware Version         : CJ12
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 10-JUL-2003?
     Date Removed             : 20-JUL-2003? 
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)


3.3  Receiver Type            : ASHTECH UZ-12
     Satellite System         : GPS
     Serial Number            : ZR520021810
     Firmware Version         : CJ12
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 21-JUL-2003
     Date Removed             : 
     Temperature Stabiliz.    : none
     Additional Information   :

3.4  Receiver Type            : ASHTECH UZ-12
     Satellite System         : GPS
     Serial Number            : ZR520021810
     Firmware Version         : CJ50
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 08-AUG-2003
     Date Removed             : 
     Temperature Stabiliz.    : none
     Additional Information   : UPDATE firmware
     
3.5  Receiver Type            : ASHTECH UZ-12
     Satellite System         : GPS
     Serial Number            : ZR520021807
     Firmware Version         : CN00
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 11-SEP-2003
     Date Removed             : 31-MAR-2005
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)


3.6  Receiver Type            : LEICA RS500
     Satellite System         : GPS
     Serial Number            : 82153
     Firmware Version         : 5.00
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 01-APR-2005
     Date Removed             : 03-MAR-2006
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines) 


3.7  Receiver Type            : ASHTECH UZ-12
     Satellite System         : GPS
     Serial Number            : ZR520021807
     Firmware Version         : 
     Elevation Cutoff Setting : 
     Date Installed           : 03-MAR-2006
     Date Removed             : (CCYY-MM-DDThh:mmZ)
     Temperature Stabiliz.    : none 
     Additional Information   : (multiple lines)


3.x  Receiver Type            : 
     Serial Number            : 
     Firmware Version         : 
     Date Installed           : 
     Date Removed             : 
     Satellite System         : (GPS/GLONASS/GPS+GLONASS)
     Temperature Stabiliz.    : (none or tolerance in degrees C)
     Additional Information   :



4.   GPS Antenna Information

4.1  Antenna Type             : ASH701945E_M    SCIT
     Serial Number            : CR620022302
     Antenna Height (m)       : 
     Antenna Reference Point  : 
     Degree Offset from North : 0
     Antenna Radome Type      : SCIGN radome tall SCIT
     Date Installed           : 29-MAY-2003
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : Monument is drilled-rod type, installed in a reinforced
			      : concrete corner on the top of a brick station building
                              : based in a bedrock

4.x  Antenna Type             : 
     Serial Number            : 
     Antenna Height (m)       : (m)
     Antenna Reference Point  : (ARP/BCR/BPA)
     Degree Offset from North : 
     Antenna Radome Type      : 
     Date Installed           : (dd-MMM-yyyy hh:mm UT)
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)


6.   Frequency Standard

6.1  Standard Type            : INTERNAL
       Input Frequency        :
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)

6.x  Standard Type            : (INTERNAL or EXTERNAL H-MASER/CESIUM/etc)
       Input Frequency        : (if external)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)


11.   On-Site, Point of Contact Agency Information

     Agency                   : Departamento de Sismologia
     Mailing Address          : Instituto de Geofisica - UNAM
                              : Universidad Nacional Autonoma de Mexico 
                              : Coyoacan, 04510 Mexico, D.F.
     Primary Contact          
       Contact Name           : Dr. Vladimir Kostoglodov
       Telephone (primary)    : 5622-4126
       Telephone (secondary)  : 5622-4127
       Fax                    : 5616-2547
       E-mail                 : vladi@servidor.unam.mx
     Secondary Contact        
       Contact Name           : Jose Antonio Santiago Santiago
       Telephone (primary)    : 5622-4126
       Telephone (secondary)  : 5622-4127
       Fax                    : 5616-2547
       E-mail                 : santiago@geofisica.unam.mx
     Additional Information   : santiago@ssn.ssn.unam.mx



11.  More Information

     URL For More Information : 
http://tlacaelel.igeofcu.unam.mx/~vladimir/gpsred/gpsred.html 
http://tlacaelel.igeofcu.unam.mx/~vladimir/gpsred/cerrodepiedra/cpdpgps.html 
     Hardcopy on File         
       Site Map               : (Y)
       Site Diagram           : (Y)
       Horizon Mask           : (Y)
       Monument Description   : (Y)
       Site Pictures          : (Y)
     Additional Information   : (multiple lines)


     Antenna Graphics with Dimensions


ASH701945B_M
ASH701945C_M
ASH701945D_M
ASH701945E_M

                         +-------+
                       /     +     \                        <--  0.1280 L2
                      |      +      |                       <--  0.1100 L1
    +-----------------+-------------+------------------+    <--  0.1006 TCR
    |                                                  |
    |                                                  |
    |                                                  |
    |                                                  |
  +-+--------------------------------------------------+-+  <--  0.0376
  +-------------------+-------------+--------------------+  <--  0.0346 BCR
                      |             |
                      |             |
                      +------x------+                       <--  0.0000 BPA=ARP

  <--                      0.3794                      -->

   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
   TOP: Top of Pole