TAEJ Site Information Form
     International GPS Service for Geodynamics


0.   Form

     Prepared by (full name)  : Pil-Ho Park
     Date Prepared            : 19-MAR-1997
     Report Type              : UPDATE
     Prepared Using           :


1.   Site Identification of the GPS Monument

     Site Name                : Taejon
     Four Character ID        : TAEJ
     Monument Inscription     : KAO GPS STATION
     IERS DOMES Number        : 23902M001
     CDP Number               : Not Assigned
     Date Installed           : 20-NOV-1995 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   : Mark Type - Stainless Steel Rod
                              : Condition - Mark Solid in Setting
                              : Mark Setting - In Poured Concrete Post with
                              : Ground Surface
                              : Soil Type - Alluvium


2.   Site Location Information

     City or Town             : Taejon
     State or Province        :
     Country                  : Korea
     Tectonic Plate           : Eurasian
     Approximate Position
       X coordinate (m)       : (m)
       Y coordinate (m)       : (m)
       Z coordinate (m)       : (m)
       Latitude (deg)         :  36.3744 N
       Longitude (deg)        : 127.3661 E
       Elevation (m)          :  77.6
     Additional Information   : No obstruction above 10 degrees
                              : Located at Taedok Science Town
                              : (multiple lines)


3.   GPS Receiver Information

3.1  Receiver Type            : TRIMBLE 4000SSE
     Serial Number            : 3411A05491
     Firmware Version         : 6.10
     Date Installed           : 26-OCT-1994 hh:mm UT
     Date Removed             : 31-DEC-1996 00:00 UT
     Additional Information   : (multiple lines)

3.2  Receiver Type            : TRIMBLE 4000SSI
     Serial Number            : 3634A16781
     Firmware Version         : 7.21
     Date Installed           : 31-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             : TR GEOD L1/L2 GP
     Serial Number            : 9372
     Antenna Height (m)       : 0.6604
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 26-OCT-1994 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)

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)


5.   Local Site Ties

5.1  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            : INTERNAL
       Frequency              :
       Effective Dates        : 26-OCT-1994 - dd-MMM-yyyy
       Notes                  : (multiple lines)

6.2  Standard Type            : CESIUM
       Frequency              : 5 MHz
       Effective Dates        : 31-DEC-1996 - dd-MMM-yyyy
       Notes                  : FTS 4060(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                   : Korea Astronomy Obsevatory (KAO)
     Mailing Address          : 36-1, Whaam-dong, Yusong-gu, Taejon 305-348
                              : KOREA
     Primary Contact
       Contact Name           : Pil-Ho Park
       Telephone (primary)    : 82-42-862-2526
       Telephone (secondary)  :
       Fax                    : 82-42-861-5610
       E-mail                 : phpark@daen.kaist.ac.kr
     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


                             _____
                          ___|___|___ TR GEOD L1/L2 GP
                             |___|    ___________________________ARP=BPA
                              | |
        Stainless Steel Rod =>| | +:Monument Ref. Point   0.6604m
        (radius=25mm)  _______|+|_______     ____________________
                       |      | |      |      0.3m
                       |      |_|      |     ______
                       |               |                    1.8m
                       |Poured Concrete|
        _______________|_______________|_______________     _____
        Ground Surface |               | Ground Surface
                       |               |
                       |Poured Concrete|                    5.0m
                       |               |
           ____________|               |_____________       _____
           |________________________________________|       _____ 0.5 m
                       |--0.5m x 0.5m--|
           |------------- 2.0m x 2.0m --------------|


        TRIMBLE: TR GEOD L1/L2 GP       (compact, with groundplane)

                       ----+----
                    /      +      \                       <--  0.0625 L1/L2
++----------------+-----------------+-----------------++  <--  0.0591 TGP
++---------------+-------------------+----------------++  <--  0.0556 BGP
                 |                   |
                  |                 |
                   |               |
                    +------x------+                       <--  0.000  ARP=BPA

 <--                     0.467                      -->               NOTCHES
<--                      0.483                       -->              EDGE


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