CHUR Site Information Form
     International GPS Service for Geodynamics


0.   Form

     Prepared by (full name)  : Robert Duval
     Date Prepared            : 17-JAN-1997
     Report Type              : UPDATE
     Prepared Using           :


1.   Site Identification of the GPS Monument

     Site Name                : Churchill
     Four Character ID        : CHUR
     Monument Inscription     : 924001
     IERS DOMES Number        : (XXXXXXXXX)
     CDP Number               : (XXXX)
     Date Installed           : 13-APR-1994 hh:mm UT
     Geologic Characteristic  : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc)
       Bedrock Type           : (IGNEOUS/METAMORPHIC/SEDIMENTARY)
       Bedrock Condition      : (FRESH/JOINTED/WEATHERED)
       Fracture Spacing       : (1-10 cm/10-50 cm/50-200 cm/over 200 cm)
       Notes                  : (multiple lines)
     Additional Information   : Monument is a concrete pillar on bedrock with
                              : force centering plate. Horizon is clear of
                              : obstructions.


2.   Site Location Information

     City or Town             : CHURCHILL
     State or Province        : MANITOBA
     Country                  : CANADA
     Tectonic Plate           : NOAM
     Approximate Position
       X coordinate (m)       : (m)
       Y coordinate (m)       : (m)
       Z coordinate (m)       : (m)
       Latitude (deg)         : ( dd.dddd N/S)
       Longitude (deg)        : (ddd.dddd E/W)
       Elevation (m)          : (m)
     Additional Information   : At GSC-NRCan Seismic Station
                              : (multiple lines)


3.   GPS Receiver Information

3.1  Receiver Type            : ROGUE SNR-8000
     Serial Number            : T305
     Firmware Version         : 2.8.32.1
     Date Installed           : 13-APR-1994 20:04 UT
     Date Removed             : 05-OCT-1995 18:10 UT
     Additional Information   : (multiple lines)

3.2  Receiver Type            : ROGUE SNR-8000
     Serial Number            : T305
     Firmware Version         : 3.2.32.1
     Date Installed           : 05-OCT-1995 04:00 UT
     Date Removed             : 04-SEP-1996 04:00 UT
     Additional Information   : (multiple lines)

3.3  Receiver Type            : ROGUE SNR-8000
     Serial Number            : T230
     Firmware Version         : 3.2.32.1
     Date Installed           : 17-SEP-1996 19:07 UT
     Date Removed             : 14-DEC-1996 00:00 UT
     Additional Information   : (multiple lines)

3.4  Receiver Type            : ROGUE SNR-8000
     Serial Number            : T230
     Firmware Version         : 3.2.32.5x
     Date Installed           : 14-DEC-1996 00:00 UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)

3.x  Receiver Type            :
     Serial Number            :
     Firmware Version         :
     Date Installed           : (dd-MMM-yyyy hh:mm UT)
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)


4.   GPS Antenna Information

4.1  Antenna Type             : DORNE MARGOLIN T
     Serial Number            : 387
     Antenna Height (m)       : 0.000
     Antenna Reference Point  : BOTTOM OF ANTENNA ASSEMBLY
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 13-APR-1994 20:04 UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)

4.x  Antenna Type             :
     Serial Number            :
     Antenna Height (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)


5.   Local Site Ties

5.x  Monument Name            :
     Site Ref CDP Number      : (XXXX)
     Site Ref Domes Number    : (XXXXXXXXX)
     Differential Components from GPS Mark to Site Reference (ITRS)
       dx (m)                 : (m)
       dy (m)                 : (m)
       dz (m)                 : (m)
     Accuracy (mm)            : (mm)
     Date Measured            : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)


6.   Frequency Standard

6.1  Standard Type            : RUBIDIUM
       Frequency              :
       Effective Dates        : 13-APR-1994 - dd-MMM-yyyy
       Notes                  : (multiple lines)

6.2  Standard Type            : CESIUM
       Frequency              :
       Effective Dates        : 02-DEC-1996 - dd-MMM-yyyy
       Notes                  : (multiple lines)

6.x  Standard Type            : (H-MASER/CESIUM/QUARTZ/INTERNAL/RUBIDIUM)
       Frequency              :
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)


7.   Collocation Information

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


8.   Meteorological Instrumentation

8.1  Humidity Sensor Model    :
       Manufacturer           :
       Data Frequency         :
       Accuracy (% rel h)     : (% rel h)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

8.2  Pressure Sensor Model    :
       Manufacturer           :
       Data Frequency         :
       Accuracy (mbar)        : (mbar)
       Height Diff to GPS (m) : (m)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

8.3  Temperature Sensor Model :
       Manufacturer           :
       Data Frequency         :
       Accuracy (deg C)       : (deg C)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

8.4  Water Vapor Radiometer   :
       Manufacturer           :
       Distance to GPS (m)    : (m)
       Elev Diff to GPS (m)   : (m)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

8.5  Other Instrumentation    : (multiple lines)


9.   On-Site, Point of Contact Agency Information

     Agency                   : Geodetic Suryey of Canada
     Mailing Address          : 615 Booth St., Ottawa, Ont.,
                              : Canada, K1A 0E9
     Primary Contact
       Contact Name           : Robert Duval
       Telephone (primary)    : 613-947-2786
       Telephone (secondary)  :
       Fax                    : 613-995-3215
       E-mail                 : duval@geod.nrcan.gc.ca
     Secondary Contact
       Contact Name           :
       Telephone (primary)    :
       Telephone (secondary)  :
       Fax                    :
       E-mail                 :
     Additional Information   : (multiple lines)


10.  Responsible Agency (if different from 9.)

     Agency                   : (multiple lines)
     Mailing Address          : (multiple lines)
     Primary Contact
       Contact Name           :
       Telephone (primary)    :
       Telephone (secondary)  :
       Fax                    :
       E-mail                 :
     Secondary Contact
       Contact Name           :
       Telephone (primary)    :
       Telephone (secondary)  :
       Fax                    :
       E-mail                 :
     Additional Information   : (multiple lines)


11.  More Information

     URL for More Information :
     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


ANTENNA CONFIGURATION ON SITE SINCE 13-APR-94:

       Type: DORNE MARGOLIN T

                                      ---
       L2 Phase Center =>         /    +    \             <---------------+
       L1 Phase Center =>        |     +     |            <---------+     |
                +----------------------------------------------+    |     |
                |                                              |    |     |
                |                                              |    |     |
                |                                              |    |   0.128m
                |                                              |  0.110m  |     |
               ==================================================   |     |
                                 |           |                      |     |
                                 |    +-+    |                      |     |
  Antenna   =>  +----------------+====| |====+-----------------+ <--+-----+
  Ref. Point    |                                              |
  (ARP)         |                                              |
                |                                              |
                |               Concrete pillar                |
                |                                              |
                |                                              |
                |                                              |


   ARP: Antenna Reference Point
   L1 : L1 Phase Center                   L2 : L2 Phase Center