HRAO Site Information Form International GPS Service for Geodynamics 0. Form Prepared by (full name) : Ludwig Combrinck Date Prepared : 08-APR-1998 Report Type : UPDATE Prepared Using : 1. Site Identification of the GPS Monument Site Name : Hartebeesthoek RAO Four Character ID : HRAO Monument Inscription : IERS DOMES Number : 30302M004 CDP Number : (XXXX) Date Installed : 05-SEP-1996 hh:mm UT Geologic Characteristic : BEDROCK Bedrock Type : IGNEOUS Bedrock Condition : JOINTED Fracture Spacing : 1-10 cm Notes : (multiple lines) Additional Information : HartRAO is located on the Pretoria Series of the : Transvaal System. The territory occupied or else : underlain by the System embraces the greater : part of the Central Transvaal. The Transvaal : System is of Precambrian age. The antenna and : buildings are situated on Ongeluk Lava : (Andesite). : Geological information from "NASA Space Geodesy : Program: Catalogue of Site Information", : Technical Memorandum 4482, March 1993, p196. : Interlocking steel rod 25 meters deep grouted on : the bottom 10 meters and isolated in PVC for the : next 15 meters. 2. Site Location Information City or Town : Krugersdorp State or Province : Country : South Africa Tectonic Plate : Africa plate, Kaapvaal Craton Approximate Position X coordinate (m) : 5085352.500 Y coordinate (m) : 2668395.681 Z coordinate (m) : -2768731.692 Latitude (deg) : -25.89010634 Longitude (deg) : 27.68697900 Elevation (m) : 1414.1877 Additional Information : Latitude, Longitude and Elevation derived from : ITRF96 coordinates at epoch 1997.0, from Z. : Altamimi/IGN. : HartRAO is situated 60 km NW of Johannesburg. : HartRao is a National Research Facility which : operates within the foundation for Research : Development. : Site information from "NASA Space Geodesy : Program: Catalogue of Site Information", : Technical Memorandum 4482, March 1993, p196. 3. GPS Receiver Information 3.1 Receiver Type : ROGUE SNR-8000 Serial Number : T365 Firmware Version : 3.2 link 03/09/95 Date Installed : 05-SEP-1996 hh:mm UT Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : (multiple lines) 3.2 Receiver Type : ROGUE SNR-12RM Serial Number : 254 Firmware Version : Date Installed : 14-JAN-1998 hh:mm UT Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : replaced SNR 8 with SNR 12 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 : 200 Antenna Height (m) : 0.0814 (m) Antenna Reference Point : ARP Degree Offset from North : Antenna Radome Type : Date Installed : 05-SEP-1996 hh:mm UT Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : SS6TRI monument 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.x Monument Name : 26 m VLBI antenna Site Ref CDP Number : (XXXX) Site Ref Domes Number : 30302S001 Differential Components from GPS Mark to Site Reference (ITRS) dx (m) : 90.280 dy (m) : -132.198 dz (m) : 34.658 Accuracy (mm) : 10 Date Measured : ITRF96 coordinates epoch 1997 Additional Information : for HRAO and VLBI points differential : components : The SLR/VLBI/HRAO/HART/DORIS differential : components will be determined in a high : precision GPS survey later this year 6. Frequency Standard 6.1 Standard Type : INTERNAL 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 : VLBI Status : PERMANENT Effective Dates : Notes : The VLBI telescope routinely participates in IRIS, CORE-A and Syowa experiments) 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 : JPL Mailing Address : 4800 Oak Grove Drive : Pasadena, CA 91109 USA Primary Contact Contact Name : David A. Stowers Telephone (primary) : 818-354-7055 Telephone (secondary) : Fax : 818-393-4965 E-mail : dstowers@jpl.nasa.gov Secondary Contact Contact Name : Jim Normandeau/UNAVCO Telephone (primary) : 303-497-8008 Telephone (secondary) : 303-497-8002 Fax : 303-497-8028 E-mail : normando@unavco.ucar.edu Additional Information : (multiple lines) 10. Responsible Agency (if different from 9.) Agency : HartRAO Mailing Address : PO BOX 443 : Krugersdorp : 1740 : South Africa Primary Contact Contact Name : Ludwig Combrinck Telephone (primary) : 27-12-3260742 Telephone (secondary) : Fax : 27-12-3260756 E-mail : ludwig@bootes.hartrao.ac : ludwig@ludwig.hartrao.ac.za Secondary Contact Contact Name : Natasja van Heerden Telephone (primary) : 27-12-3260742 Telephone (secondary) : Fax : E-mail : natasja@bootes.hartrao.ac.za 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 TURBOROGUE: DORNE MARGOLIN T ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | =| | +------x------+ <-- 0.000 ARP ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering