MTKA Site Information Form
     GPS/GLONASS Campaign IGEX98

0.   Form
     Prepared by (full name)  : Naoki ARAI
     Date Prepared            : 30-AUG-1999
     Report Type              : UPDATE
     Prepared Using           :

1.   Site Identification of the GPS/GLONASS Monument
     Site Name                : Mitaka A Site
     Four Character ID        : MTKA
     Monument Inscription     : NONE
     IERS DOMES Number        : 21741S002
     CDP Number               :
     Monument Description     : NONE (Antenna Reference Point)
     Date Installed           : (dd-MMM-yyyy 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                  : Our antenna location was determined in
relation to the Tsukuba ROGUE site (IERS DOMES Number 21730S005)
     Additional Information   : (multiple lines)

2.   Site Location Information
     City or Town             : Mitaka
     State or Province        : Tokyo
     Country                  : Japan
     Tectonic Plate           : North American
     Approximate Position
       X coordinate (m)       : -3947762.751
       Y coordinate (m)       :  3364399.812
       Z coordinate (m)       :  3699428.518
       Latitude (deg)         :  35.6795 N
       Longitude (deg)        : 139.5614 E
       Elevation (m)          : 108.98
     Additional Information   : ITRF96

3.   Receiver Information
3.1  Receiver Type            : ASHTECH Z18
     Satellite System         : GPS+GLONASS
     Serial Number            : ZX00120
     Firmware Version         : ZT15 0064
     Date Installed           : 13-OCT-1998
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)

4.   Antenna Information
4.1  Antenna Type             : ASHTECH 701073 RADOME
     Serial Number            : CRG0118
     Antenna Height (m)       : 0.0
     Antenna Reference Point  : (ARP/BCR/BPA)
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 13-OCT-1998
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : Site location information means
position of antenna phase canter.

5.   Local Site Ties
5.1  Monument Name            : Tsukuba ROGUE site
     Site Ref CDP Number      : 7311
     Site Ref Domes Number    : 21730S005
     Differential Components from GPS/GLONASS Marker to Site Reference(ITRS)
       dx (m)                 :  -9436.488
       dy (m)                 : -54200.142
       dz (m)                 :  38283.162
     Accuracy (mm)            : (mm)
     Date Measured            : 01-JAN-1999
     Additional Information   :

6.   Frequency Standard
6.1  Standard Type            : INTERNAL
       Frequency              :
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

7.   Collocation Information
7.1  Instrumentation Type     : GPS
       Status                 : PERMANENT
       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 Ant (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 Antenna (m): (m)
       Elev Diff to Ant (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                   : Electronic Navigation Research Institute
(ENRI)
     Mailing Address          : 6-38-1, Shinkawa, Mitaka, Tokyo 1810004
JAPAN
     Primary Contact
       Contact Name           : Naoki ARAI
       Telephone (primary)    : 81-422-41-3196
       Telephone (secondary)  :
       Fax                    : 81-422-41-3199
       E-mail                 : naoki@enri.go.jp
     Secondary Contact
       Contact Name           : Kazuaki HOSHINOO
       Telephone (primary)    : 81-422-41-3196
       Telephone (secondary)  :
       Fax                    : 81-422-41-3199
       E-mail                 : hoshinoo@enri.go.jp
     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               : N
       Site Diagram           : N
       Horizon Mask           : N
       Monument Description   : N
       Site Pictures          : N
     Additional Information   : (multiple lines)
     Antenna Graphics with Dimensions

              Ashtech: 701073 RADOME
                        . --- .                           <--  0.420
                     .           .
                    /             \
                   .               .
                 /                   \
                .                     .
               /                       \
              .                         .
             /                           \
            .                             .
           /                               \
          .                                 .

         /                                   \
        .                                     .
       /                                       \
      .                                         .
     /                                           \
    .                                             .

   /                                               \
  .                      .---.                      .     <--  0.140
                       /       \
 +                   /     +     \                   +    <--  0.128  L2
 .                  |      +      |                  .    <--  0.110  L1
 |+-------------------------------------------------+|    <--  0.101  TCR
 .|                                                 |.
 ||                                                 ||
 .|                                                 |.
 +|                                                 |+
+-+-------------------------------------------------+-+   <--  0.038
+-------------------+-------------+-------------------+   <--  0.035  BCR
                    |             |
                   =|             |
                    +------x------+                       <--  0.000  ARP
                    <--  0.120  -->                                   Preamp
  <--                    0.360                    -->
Ch.Ring
 <--                     0.374                     -->                Dome
<--                      0.380                      -->
Gr.Plate



12.  Local Events Possibly Affecting Computed Position
12.1  Date                    : (dd-MMM-yyyy hh:mm UT)
      Event                   : (multiple lines)