ACAP Site Information
     IGEF-UNAM Instituto de Geofisica 
     Departmento de Sismología
     SSN - Servicio Sismológico Nacional

0.   Form

     Prepared by (full name)  : Jose Antonio Santiago Santiago
     Date Prepared            : 23-JAN-2001
     Report Type              : UPDATE 31-aug-2006
     Prepared Using           : 


1.   Site Identification of the GPS Monument

     Site Name                : ACAPULCO
     Four Character ID        : ACAP
     Monument Inscription     : 
     IERS DOMES Number        : Leica, no # 
     CDP Number               : (XXXX)               :
     Monument Description     : TRIPODE
       Height of the Monument : (m)
       Monument Foundation    : STEEL RODS
       Foundation Depth       : (m)
     Marker Description       : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc)
     Date Installed           : 01-DEC-1999 18:00 UT
     Geologic Characteristic  : BOULDER
      Bedrock Type            : Granit (Cuarzomonzonita)
      Bedrock Condition       : 
      Fracture Spacing        : Monolith
     Notes                    : 
     Additional Information   : IGEF-UNAM Instituto de Geofisica. 
                              : Department of Seismology  
                              : Monument is drilled-braced type
                              : Fixed antenna height is 1.25 m from the old pin mark
                                                   
                             
2.   Site Location Information

     City or Town             : ACAPULCO
     State or Province        : Guerrero
     Country                  : Mexico
     Tectonic Plate           : NA
     Approximate Position     
       X coordinate (m)       : -1045487.9104
       Y coordinate (m)       : -6017078.287
       Z coordinate (m)       :  1834112.376
       Latitude (deg)         :  16 49.335852 N (16.8222)
       Longitude (deg)        : 099 51.406618 W (-99.8567)
       Elevation (m)          : 355.19 m 
     Additional Information   : Located next to the Villa Mitchell house in 
                              : the exclusive, gated community of Las Brisas in 
                              : south-east Acapulco. 
                              : Coordinate system used is (WGS84).

3.   GPS Receiver Information

3.1  Receiver Type            : LEICA CRS1000
     Serial Number            : 23264
     Firmware Version         : v6.21 
     Date Installed           : 01-DEC-1999 20:47 UT
     Date Removed             : 02-FEB-2000 17:00 UT
     Satellite System         : GPS
     Temperature Stabiliz.    : none
     Additional Information   : Antenna cable ~30m
    			      	: 60MB Memory 
			      

3.2  Receiver Type            : LEICA CRS1000
     Serial Number            : 23263
     Firmware Version         : v6.21
     Date Installed           : 02-FEB-2000 18:00 UT
     Date Removed             : 18-MAY-2000 
     Satellite System         : GPS
     Temperature Stabiliz.    : none
     Additional Information   : last data file 05-MAY


3.3  Receiver Type            : LEICA CRS1000
     Serial Number            : 23271
     Firmware Version         : 
     Date Installed           : 18-MAY-2000
     Date Removed             : 
     Satellite System         : GPS
     Temperature Stabiliz.    : none
     Additional Information   :


3.4  Receiver Type            : LEICA CRS1000
     Serial Number            : 
     Firmware Version         : 
     Date Installed           : 04-JUN-2000
     Date Removed             : 13-JUN-2000
     Satellite System         : GPS
     Temperature Stabiliz.    : none
     Additional Information   : 


3.5  Receiver Type            : LEICA CRS1000
     Serial Number            : 
     Firmware Version         : 
     Date Installed           : 13-JUN-2000
     Date Removed             : 29-JUN-2000
     Satellite System         : GPS
     Temperature Stabiliz.    : none
     Additional Information   : last data file 23-JUN


3.6  Receiver Type            : LEICA CRS1000
     Serial Number            : 23271
     Firmware Version         : v8.02
     Date Installed           : 29-JUN-2000 18:00 UT
     Date Removed             : 11-AUG-2000
     Satellite System         : GPS
     Temperature Stabiliz.    : none
     Additional Information   : reset to receiver 7-JUL
			      : last data file 15-JUL
			      

3.7  Receiver Type            : LEICA CRS1000
     Serial Number            : 23241
     Firmware Version         : v8.02
     Date Installed           : 23-AUG-2000 18:00 UT
     Date Removed             : 19-SEP-2000
     Satellite System         : GPS
     Temperature Stabiliz.    : none
     Additional Information   : 


3.8  Receiver Type            : LEICA CRS1000
     Serial Number            : 23254
     Firmware Version         : v8.02
     Date Installed           : 19-SEP-2000 23:30 UT
     Date Removed             : 10-OCT-2000
     Satellite System         : GPS
     Temperature Stabiliz.    : none
     Additional Information   : 20 MB MEMORY


3.9  Receiver Type            : LEICA CRS1000
     Serial Number            : 23208
     Firmware Version         : v8.03
     Date Installed           : 10-OCT-2000 18:00 UT
     Date Removed             : 12-DEC-2000 
     Satellite System         : GPS
     Temperature Stabiliz.    : none
     Additional Information   : 20 MB MEMORY


3.10 Receiver Type            : LEICA CRS1000
     Serial Number            : 23241
     Firmware Version         : v8.03
     Date Installed           : 12-DEC-2000 
     Date Removed             : 9-MAR-2001
     Satellite System         : GPS
     Temperature Stabiliz.    : none
     Additional Information   : 20 MB MEMORY


3.11  Receiver Type           : LEICA CRS1000
     Serial Number            : 30055
     Firmware Version         : v8.03
     Date Installed           : 9-MAR-2001
     Date Removed             : 10-JAN-2004
     Satellite System         : GPS
     Temperature Stabiliz.    : none
     Additional Information   :


3.12 Receiver Type            : LEICA SR520
     Serial Number            : 20169
     Firmware Version         : 4.11
     Date Installed           : 10-JAN-2004
     Date Removed             : 12-JAN-2004
     Satellite System         : GPS
     Temperature Stabiliz.    : none
     Additional Information   :


3.13  Receiver Type           : LEICA CRS1000
     Serial Number            : 30055
     Firmware Version         : v8.03
     Date Installed           : 12-JAN-2004
     Date Removed             : 25-AUG-2004
     Satellite System         : GPS
     Temperature Stabiliz.    : none
     Additional Information   :


3.14  Receiver Type           : LEICA CRS1000
     Serial Number            : 23241
     Firmware Version         : v9.00
     Date Installed           : 25-AUG-2004
     Date Removed             : 02-JUL-2005
     Satellite System         : GPS
     Temperature Stabiliz.    : none
     Additional Information   :


3.15 Receiver Type            : LEICA RS500
     Serial Number            : 82148
     Firmware Version         : 4.20
     Date Installed           : 02-JUL-2005
     Date Removed             : 
     Satellite System         : GPS
     Temperature Stabiliz.    : none
     Additional Information   :256MB memory


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             : LEICA CHOKE RING AT504
     Serial Number            : 342
     Antenna Height (m)       : 1.25
     Antenna Reference Point  : 
     Degree Offset from North : 0
     Antenna Radome Type      : LEICA dome
     Date Installed           : 01-DEC-1999 18:00 UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : Antenna height is fixed, and measured from the
                              : lower surface of the antenna plate to the old 
                              : stainless steel pin mark 
                              : 

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)


9.   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)    : 525 5622-4138
       Telephone (secondary)  : 525 5622-4127
       Fax                    : 525 5616-2547
       E-mail                 : vladi@servidor.unam.mx
     Secondary Contact        
       Contact Name           : Jose Antonio Santiago Santiago
       Telephone (primary)    : 525 5622-4126
       Telephone (secondary)  : 525 5622-4127
       Fax                    : 525 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/acapulco/acapgps.html 
http://tlacaelel.igeofcu.unam.mx/~vladimir/GUERRERO/Guerro%20Recon/acap/acap.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
                               

LEIAT504
L1/L2 Dorne Margolin antenna with chokerings
(designed after DORNE MARGOLIN T) 
                       +-------+                          <-- 0.1393
                     /     +     \                        <-- 0.1282 L2
                    |      +      |                       <-- 0.1093 L1
  +-----------------+-------------+------------------+    <-- 0.1020 TCR
  |                                                  | 
  |                                                  |
  |                                                  |
  |                                                  |
+-+--------------------------------------------------+-+  <-- 0.0380
+-------------------+-------------+--------------------+  <-- 0.1020 BCR
                    |             |
                    |             |
                    +------x------+                       <-- 0.000  BPA=ARP

<--                      0.3794                      -->


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