TOW2 Site Information Form
     International GPS Service for Geodynamics


0.   Form

     Prepared by (full name)  : Bob Twilley
     Date Prepared            : 16-Mar-99
     Report Type              : UPDATE
     Prepared Using           :


1.   Site Identification of the GPS Monument

     Site Name                : Townsville AU028
     Four Character ID        : TOW2
     Monument Inscription     : National Geodetic Fiducial Network AUSLIG AU028
     IERS DOMES Number        : 50140M001
     CDP Number               : Not Available
     Date Installed           : 17 Jan 1995
     Geologic Characteristic  : BEDROCK
       Bedrock Type           : METAMORPHIC
       Bedrock Condition      : Weathered
       Fracture Spacing       :
       Notes                  :
     Additional Information   : Monument is a 500mm Stainless Steel Plate
                              : fixed to large rock outcrop.


2.   Site Location Information

     City or Town             : Cape Ferguson
     State or Province        : Queensland
     Country                  : Australia
     Tectonic Plate           : Australian
     Approximate Position
       X coordinate (m)       : -5054582.008
       Y coordinate (m)       :  3275504.136
       Z coordinate (m)       : -2091539.606
       Latitude (deg)         :  19.2693 S
       Longitude (deg)        : 147.0557 E
       Elevation (m)          : 87.386
     Additional Information   : ARGN (Australian Regional GPS Network) -
                              : Permanent GPS Tracking Network
                              : Located at the Australian Institute of
                              : Marine Science (AIMS) Cape Ferguson.


3.   GPS Receiver Information

3.1  Receiver Type            : Turborogue SNR-8100
     Serial Number            : C122
     Firmware Version         : 3.0.33.2
     Date Installed           : 17-JAN-1995
     Date Removed             : 11-AUG-1999  0630 UT
     Additional Information   :

3.2  Receiver Type            : Turborogue SNR-8100
     Serial Number            : C122
     Firmware Version         : 3.2.32.9
     Date Installed           : 11-AUG-1999  0630 UT
     Date Removed             :
     Additional Information   : An additional GPS receiver has been
                              : installed at this site, split off the
                              : same antenna. The receiver is an
                              : Ashtech Z12 Model 700751-6 (E)
                              : firmware version CB00, s/n 02090.
                              : Data from this receiver is not available
                              : unless requried.

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             : AOAD/M_T
     Serial Number            : 326
     Antenna Height (m)       : 0.0035 m
     Antenna Reference Point  : ARP Base of Antenna (see Diagram below)
     Degree Offset from North :
     Antenna Radome Type      : Acrylic dome
     Date Installed           : 17-JAN-1995
     Date Removed             :
     Additional Information   :


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            : RM1
     Site Ref CDP Number      : N/A
     Site Ref Domes Number    : N/A
     Differential Components from GPS Mark to Site Reference (ITRS)
       dx (m)                 : -11.718
       dy (m)                 : -30.625
       dz (m)                 : 8.529
     Accuracy (mm)            : +-1mm
     Date Measured            : 1-Jan-1995
     Additional Information   : (multiple lines)

5.2  Monument Name            : RM2
     Site Ref CDP Number      : N/A
     Site Ref Domes Number    : N/A
     Differential Components from GPS Mark to Site Reference (ITRS)
       dx (m)                 : -3.603
       dy (m)                 : -14.161
       dz (m)                 : -5.062
     Accuracy (mm)            : +-1mm
     Date Measured            : 1-Jan-1995
     Additional Information   : (multiple lines)

5.3  Monument Name            : RM3
     Site Ref CDP Number      : N/A
     Site Ref Domes Number    : N/A
     Differential Components from GPS Mark to Site Reference (ITRS)
       dx (m)                 : 30.066
       dy (m)                 : 45.958
       dz (m)                 : 17.795
     Accuracy (mm)            : +-1mm
     Date Measured            : 1-Jan-1995
     Additional Information   : (multiple lines)


6.   Frequency Standard

6.1  Standard Type            : (H-MASER/CESIUM/QUARTZ/INTERNAL/RUBIDIUM)
       Frequency              :
       Effective Dates        : (dd-MMM-yyyy - 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                   : Australian Surveying & Land Information Group (AUSLIG)
     Mailing Address          : AUSLIG
                                 P.O. Box 2
                                 Belconnen ACT 2616
                                 AUSTRALIA
     Primary Contact
       Contact Name           : Bob Twilley
       Telephone (primary)    : +61 2 62014346
       Telephone (secondary)  : 0413 604180 (mobile)
       Fax                    : +61 2 62014366
       E-mail                 : bobtwilley@auslig.gov.au
     Secondary Contact
       Contact Name           : Paul Digney
       Telephone (primary)    : +61 2 62014369
       Telephone (secondary)  :
       Fax                    : +61 2 62014366
       E-mail                 : pauldigney@auslig.gov.au
     Additional Information   :


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

Please insert here the character graphics corresponding to the
antenna type. Check, complete or change if necessary the antenna
dimensions.


             TurboRogue: DORNE MARGOLIN T

                         -----
                     /     +     \                        <-- 0.128  L2
                    |      +      |                       <-- 0.110  L1
  +--------------------------------------------------+    <-- 0.102  TCR
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
+-+--------------------------------------------------+-+  <-- 0.038
+-------------------+-------------+--------------------+  <-- 0.035  BCR
                    |             |
                   =|             |
                    +------x------+                       <-- 0.000  ARP

<--                      0.381                       -->


   ARP: Antenna Reference Point   BPA: Bottom of Preamplifier