TDOU00ZAF Site Information Form (site log) International GNSS Service See Instructions at: https://ftp.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Albertus van der Merwe Date Prepared : 2021-12-15 Report Type : UPDATE If Update: Previous Site Log : tdou_20201030.log Modified/Added Sections : 2,3.5,3.6,11 1. Site Identification of the GNSS Monument Site Name : THOHOYANDOU Four Character ID : TDOU Monument Inscription : IERS DOMES Number : 30319M001 CDP Number : Monument Description : CONCRETE BEACON BUILT ON GRAVELSAND/CLAY Height of the Monument : 2.4 m Monument Foundation : CONCRETE Foundation Depth : 0.5 m Marker Description : BOTTOM OF ANTENNA MOUNT Date Installed : 2001-02-23T00:00Z Geologic Characteristic : SAND/CLAY Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : 2. Site Location Information City or Town : THOHOYANDOU State or Province : LIMPOPO PROVINCE Country : South Africa Tectonic Plate : AFRICAN Approximate Position (ITRF) X coordinate (m) : 5064840.8313 Y coordinate (m) : 2969624.4192 Z coordinate (m) : -2485110.0433 Latitude (N is +) : -230447.67 Longitude (E is +) : +0302302.42 Elevation (m,ellips.) : 630.2 Additional Information : ITRF 2005 (2008-01-09 12:00:00) 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4603204347 Firmware Version : Nav 1.2 / Boot 1.16 Elevation Cutoff Setting : 5 deg Date Installed : 2006-08-26T00:00Z Date Removed : 2016-11-25T00:00Z Temperature Stabiliz. : NONE Additional Information : 3.2 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4603204335 Firmware Version : Nav 1.2 / Boot 1.16 Elevation Cutoff Setting : 5 deg Date Installed : 2016-11-26T00:00Z Date Removed : 2017-01-03T00:00Z Temperature Stabiliz. : NONE Additional Information : 3.3 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4603204347 Firmware Version : Nav 1.2 / Boot 1.16 Elevation Cutoff Setting : 5 deg Date Installed : 2017-01-04T00:00Z Date Removed : 2019-03-30T00:00Z Temperature Stabiliz. : NONE Additional Information : 3.4 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4603204347 Firmware Version : Nav 1.3-2 / Boot 1.16 Elevation Cutoff Setting : 5 deg Date Installed : 2019-03-30T00:00Z Date Removed : 2020-10-24T00:00Z Temperature Stabiliz. : NONE Additional Information : 3.5 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4603204501 Firmware Version : Nav 1.3-2 / Boot 1.16 Elevation Cutoff Setting : 5 deg Date Installed : 2020-10-24T10:27Z Date Removed : 2021-11-16T23:59Z Temperature Stabiliz. : NONE Additional Information : 3.6 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO Serial Number : 6042R40128 Firmware Version : Nav 5.44 / Boot 5.44 Elevation Cutoff Setting : 5 deg Date Installed : 2021-11-17T00:00Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : NONE 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 : LEIAT504 LEIS Serial Number : 102704 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0.0 Marker->ARP East Ecc(m) : 0.0 Alignment from True N : 0 deg Antenna Radome Type : LEIS Radome Serial Number : NONE Antenna Cable Type : Suhner RG 214 Hiflex Antenna Cable Length : 50 m Date Installed : 2008-02-14T00:00Z 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 : 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.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 : INTERNAL Input Frequency : Effective Dates : (CCYY-MM-DD/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.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 : CHIEF DIR.: NATIONAL GEOSPATIAL INFORMATION Preferred Abbreviation : NGI Mailing Address : PRIVATE BAG X10,Mowbray,7705,SOUTH AFRICA Primary Contact Contact Name : ALBERTUS VAN DER MERWE Telephone (primary) : +27 21 658 4364 Telephone (secondary) : +27 21 658 4300 Fax : +27 21 658 4357 E-mail : Albertus.vandermerwe@dalrrd.gov.za Secondary Contact Contact Name : TRIGNET CONTROL ROOM Telephone (primary) : +27 21 658 4363 Telephone (secondary) : Fax : +27 21 658 4357 E-mail : trignet@dalrrd.gov.za Additional Information : 12. Responsible Agency (if different from 11.) Agency : Preferred Abbreviation : Mailing Address : Primary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 13. More Information Primary Data Center : ftp://igs.ign.fr/ Secondary Data Center : ftp://igs.ensg.eu/ URL for More Information : www.trignet.co.za Hardcopy on File Site Map : URL Site Diagram : NONE Horizon Mask : Monument Description : CONCRETE PILLAR BUILT ON GRAVELSAND/CLAY Site Pictures : Additional Information : Antenna Graphics with Dimensions (insert text graphic from file antenna.gra) LEIAT504 +-------+ <-- 0.1393 / + \ | + | +-----------------+-------------+------------------+ <-- 0.1012 TCR | | | | | | | | +-+--------------------------------------------------+-+ +-------------------+-------------+--------------------+ <-- 0.0345 BCR | | | | +------x------+ <-- 0.000 BPA=ARP <-- 0.3794 -->