HARK00ZAF Site Information Form (site log) International GNSS Service See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr_v2.0.txt 0. Form Prepared by (full name) : Louis Duquesne Date Prepared : 2025-11-07 Report Type : UPDATE If Update: Previous Site Log : hark_19991201.log Modified/Added Sections : 1. Site Identification of the GNSS Monument Site Name : Hartebeesthoek Nine Character ID : HARK00ZAF Monument Inscription : Engraved plate IERS DOMES Number : 30302M007 CDP Number : Monument Description : Engraved plate Height of the Monument : Monument Foundation : Foundation Depth : Marker Description : Date Installed : 1997-05-26T00:00Z Geologic Characteristic : Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : Station located at the site : of the 2-GHz CNES Tracking Station. 2. Site Location Information City or Town : Pretoria State or Province : Country or Region : ZAF Tectonic Plate : AFRICAN Approximate Position (ITRF) X coordinate (m) : 5084625.4250 Y coordinate (m) : 2670366.9160 Z coordinate (m) : -2768494.0360 Latitude (N is +) : -255313.57 Longitude (E is +) : +0274227.95 Elevation (m) : 1555.5 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T 367 Firmware Version : 3.2.32.1 Elevation Cutoff Setting : Date Installed : 1997-05-26T00:00Z Date Removed : 1999-05-27T00:00Z Temperature Stabiliz. : Additional Information : 3.2 Receiver Type : TRIMBLE 4000SSI Satellite System : GPS Serial Number : 3844A24813 Firmware Version : 7.29 Elevation Cutoff Setting : Date Installed : 1999-06-01T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : Additional Information : 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS+GLO+GAL+BDS+QZSS+SBAS) Serial Number : (A20, but note the first A5 is used in SINEX) Firmware Version : (A11) Elevation Cutoff Setting : (deg) Date Installed : (CCYY-MM-DDThh:mmZ) Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 4. GNSS Antenna Information 4.1 Antenna Type : AOAD/M_T NONE Serial Number : 153 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 9.8030 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1997-05-26T00:00Z Date Removed : 1999-05-27T00:00Z Additional Information : 4.2 Antenna Type : TRM29659.00 NONE Serial Number : 0220136820 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 9.8030 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1999-06-01T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : 4.x Antenna Type : (A20, from rcvr_ant.tab; see instructions) Serial Number : (A*, but note the first A5 is used in SINEX) Antenna Reference Point : (BPA/BCR/XXX from "antenna.gra"; see instr.) Marker->ARP Up Ecc. (m) : (F8.4) Marker->ARP North Ecc(m) : (F8.4) Marker->ARP East Ecc(m) : (F8.4) Alignment from True N : (deg; + is clockwise/east) Antenna Radome Type : (A4 from rcvr_ant.tab; see instructions) Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : (CCYY-MM-DDThh:mmZ) Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : (multiple lines) 5. Surveyed Local Ties 5.1 Tied Marker Name : 26-meter VLBI antenna Tied Marker Usage : VLBI Tied Marker CDP Number : 7232 Tied Marker DOMES Number : 30302S001 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : dy (m) : dz (m) : Accuracy (mm) : Survey method : Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : 5.2 Tied Marker Name : DORIS antenna Tied Marker Usage : Tied Marker CDP Number : Tied Marker DOMES Number : Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : dy (m) : dz (m) : Accuracy (mm) : Survey method : Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : 5.3 Tied Marker Name : GPS antenna (HART) Tied Marker Usage : Tied Marker CDP Number : 7232 Tied Marker DOMES Number : none Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : dy (m) : dz (m) : Accuracy (mm) : Survey method : Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : 5.x Tied Marker Name : Tied Marker Usage : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc) Tied Marker CDP Number : (A4) Tied Marker DOMES Number : (A9) Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : (m) dy (m) : (m) dz (m) : (m) Accuracy (mm) : (mm) Survey method : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc) Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : (multiple lines) 6. Frequency Standard 6.1 Standard Type : EXTERNAL Input Frequency : 5.0 MHz Effective Dates : 1999-11-23/CCYY-MM-DD Notes : 6.x Standard Type : (INTERNAL or EXTERNAL H-MASER/CESIUM/etc) Input Frequency : (if external) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 7. Collocation Information 7.1 Instrumentation Type : DORIS Status : PERMANENT Effective Dates : CCYY-MM-DD/CCYY-MM-DD Notes : 7.2 Instrumentation Type : VLBI Status : PERMANENT Effective Dates : CCYY-MM-DD/CCYY-MM-DD Notes : 7.x Instrumentation Type : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/TIME/etc) Status : (PERMANENT/MOBILE) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8. Meteorological Instrumentation 8.1.x Humidity Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy (% rel h) : (% rel h) Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.2.x Pressure Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy : (hPa) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.3.x Temp. Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy : (deg C) Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.4.x Water Vapor Radiometer : Manufacturer : Serial Number : Distance to Antenna : (m) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.5.x Other Instrumentation : (multiple lines) 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.x Radio Interferences : (TV/CELL PHONE ANTENNA/RADAR/etc) Observed Degradations : (SN RATIO/DATA GAPS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.2.x Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.3.x Signal Obstructions : (TREES/BUILDINGS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 10. Local Episodic Effects Possibly Affecting Data Quality 10.x Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : CSIR Preferred Abbreviation : CSIR Mailing Address : (multiple lines) Primary Contact Contact Name : IAN SHILSHOM - Satellite Applications Center Telephone (primary) : 27.12.326.5271 Telephone (secondary) : Fax : 27.11.642.2446 E-mail : IChislol@sac.csir.za Secondary Contact Contact Name : Pierre PICARD - Satellite Application Center Telephone (primary) : 27.12.326.5271 Telephone (secondary) : Fax : 27.11.642.2446 E-mail : PPicard@csir.za Additional Information : 12. Responsible Agency (if different from 11.) Agency : Centre National d'Etudes Spatiales Preferred Abbreviation : CNES Mailing Address : EO/ST/SC - 18, avenue Edouard Belin : 31401 - Toulouse - France Primary Contact Contact Name : Louis Duquesne Telephone (primary) : (33) 5 61 28 19 62 Telephone (secondary) : Fax : (33) 5 61 28 15 36 E-mail : gpscnes@cst.cnes.fr Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 13. More Information Primary Data Center : Secondary Data Center : URL for More Information : Hardcopy on File Site Map : Y Site Diagram : Y Horizon Mask : Monument Description : Y Site Pictures : 03-DEC-1993 Additional Information : Antenna Graphics with Dimensions TURBOROGUE: DORNE MARGOLIN T ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +---------------------+-------------+------------------+ <-- 0.035 BCR | | =| | Antenne Ref. Point (ARP) -> +-----|-|-----+ <------------+ <-- 0.000 ARP Forced centering device -> =============== | | | | | | | | | | 9.803 m | | | Mark | ---------------------- + ------------- <------------+ Ground (Engraved plate) ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering