YKRO00CIV Site Information Form (site log) International GNSS Service See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Tatevik Shakhbandaryan Date Prepared : 2024-04-22 Report Type : UPDATE If Update: Previous Site Log : ykro_20210812.log Modified/Added Sections : 3.9, 3.10, 12 1. Site Identification of the GNSS Monument Site Name : Yamoussoukro Tracking Station Four Character ID : YKRO Monument Inscription : IERS DOMES Number : 32601M001 CDP Number : Monument Description : CONCRETE PILLAR Height of the Monument : 5.0 m Monument Foundation : Hardened clay Foundation Depth : 1.5 m Marker Description : Raised metal nob on Wild survey plate. Date Installed : 1999-07-18T00:00Z Geologic Characteristic : Bedrock Type : Bedrock Condition : Fracture Spacing : (1-10 cm/10-50 cm/50-200 Fault zones nearby : Distance/activity : Additional Information : The mark is a 3mm raised nob on the Wild : survey plate. The plate is encased on top : of the concrete pillar. : The pillar rests on hardened clay. 2. Site Location Information City or Town : Yamoussoukro State or Province : Country : Cote d'Ivorie Tectonic Plate : AFRICAN Approximate Position (ITRF) X coordinate (m) : 6306439.8970 Y coordinate (m) : -578380.7830 Z coordinate (m) : 757956.4810 Latitude (N is +) : +065214.02 Longitude (E is +) : -0051424.33 Elevation (m,ellips.) : 270.0 Additional Information : The GPS station is located in Yamoussoukro : about 250 km NNW of Abidjan in the Republic : of Ivory Coast. The marker is encased on : top of a prominent 5 m concrete pillar : across from the ENESTP, about 5 km NNE of : the downtown area. The pillar is adjacent : to an enclosed building housing the GPS : receiver and ancillary equipment. The base : computer is located in the FHB Fondation : building. The mark is atop a 3 mm nob : physically present on the surface of the : plate. 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T-358 Firmware Version : 3.2.32.8 Elevation Cutoff Setting : 4 deg Date Installed : 1999-07-18T00:00Z Date Removed : 2004-05-04T00:00Z Temperature Stabiliz. : none Additional Information : Serial port B connected to radio modem. : P/N 7490543. 3.2 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T-354 Firmware Version : 3.2.32.11 Elevation Cutoff Setting : 4 deg Date Installed : 2004-05-04T00:00Z Date Removed : 2004-09-23T23:59Z Temperature Stabiliz. : none Additional Information : 3.3 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : ZR220014901 Firmware Version : CQ00 Elevation Cutoff Setting : 4 deg Date Installed : 2008-09-30T00:00Z Date Removed : 2018-03-15T00:00Z Temperature Stabiliz. : none Additional Information : 3.4 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL Serial Number : 02329 Firmware Version : 3.6.7 Elevation Cutoff Setting : 0 deg Date Installed : 2018-03-15T00:00Z Date Removed : 2019-07-11T00:00Z Temperature Stabiliz. : none Additional Information : 3.5 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL+BDS Serial Number : 02329 Firmware Version : 3.7.6 Elevation Cutoff Setting : 0 deg Date Installed : 2019-07-11T00:00Z Date Removed : 2020-07-08T01:07Z Temperature Stabiliz. : none Additional Information : 3.6 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL+BDS+QZSS+IRNSS Serial Number : 02329 Firmware Version : 3.7.9 Elevation Cutoff Setting : 0 deg Date Installed : 2020-07-08T01:07Z Date Removed : 2021-01-29T01:00Z Temperature Stabiliz. : none Additional Information : 3.7 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL+BDS Serial Number : 02329 Firmware Version : 3.7.9 Elevation Cutoff Setting : 0 deg Date Installed : 2021-01-29T01:00Z Date Removed : 2021-03-17T00:54Z Temperature Stabiliz. : none Additional Information : 3.8 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL+BDS Serial Number : 02329 Firmware Version : 4.0.02 Elevation Cutoff Setting : 0 deg Date Installed : 2021-03-17T00:54Z Date Removed : 2021-08-12T17:17Z Temperature Stabiliz. : none Additional Information : 3.9 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL+BDS Serial Number : 02329 Firmware Version : 4.1.01 Elevation Cutoff Setting : 0 deg Date Installed : 2021-08-12T17:17Z Date Removed : 2024-04-18T22:26Z Temperature Stabiliz. : none Additional Information : 3.10 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL+BDS Serial Number : 02329 Firmware Version : 4.3.00 Elevation Cutoff Setting : 0 deg Date Installed : 2024-04-18T22:26Z 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 : AOAD/M_T NONE Serial Number : T-426 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1245 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1999-07-18T00:00Z Date Removed : 2004-09-23T23:59Z Additional Information : UNAVCO #70108. Antenna is screwed onto the : antenna bolt of a SCIGN adapter and thread : converter which is set on a heavy Wild : surveying plate making contact in three : places on a circular groove on the monument. : Three measurements were made for the distance : between the surface of the monument and the : antenna ARP. The surveying plate is held fixed : by three Z-brackets bolted into concrete near : the edge of the marker. 4.2 Antenna Type : ASH701945C_M NONE Serial Number : CR620012801 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0455 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2008-09-30T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : Antenna is now screwed directly onto 5/8" : bolt in the heavy Wild surveying plate making : contact in three places on a circular groove : on the monument. The surveying plate is held : fixed by three Z-brackets bolted into : concrete near the edge of the marker. : Please note the new antenna height. 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.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 : 1999-07-18/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 : Bureau National D'Etudes Techniques Preferred Abbreviation : CCT/BNETD Mailing Address : Abidjan, Cocody Ambassade : 01 BP 3862 Abidjan 01 : Cote d'Ivoire Primary Contact Contact Name : Philippe KOUAKOU Telephone (primary) : (225) 22 44 22 04 Telephone (secondary) : Fax : (225) 22 44 28 86 E-mail : kouakou_philippe@yahoo.fr Secondary Contact Contact Name : Dr.Konan Kouadio,Directeur du CCT/BNETD Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 12. Responsible Agency (if different from 11.) Agency : Jet Propulsion Laboratory Preferred Abbreviation : JPL Mailing Address : 4800 Oak Grove Drive : Pasadena, CA 91109 USA Primary Contact Contact Name : JPL Point of Contact Telephone (primary) : +1 (818) 354-7055 Telephone (secondary) : Fax : E-mail : ggnops@jpl.nasa.gov Secondary Contact Contact Name : EarthScope Network Engineer Telephone (primary) : Telephone (secondary) : Fax : E-mail : ggn-ops@earthscope.org Additional Information : 13. More Information Primary Data Center : JPL Secondary Data Center : CDDIS URL for More Information : Hardcopy on File Site Map : Y Site Diagram : Y Horizon Mask : Y Monument Description : Y Site Pictures : Y Additional Information : Antenna Graphics with Dimensions ASH701945B_M ASH701945C_M ASH701945D_M ASH701945E_M ASH701945G_M +-------+ / + \ <-- 0.1280 L2 | + | <-- 0.1100 L1 +-----------------+-------------+------------------+ <-- 0.1006 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.0376 +-------------------+-------------+--------------------+ <-- 0.0346 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.3794 --> ARP: Antenna Reference Point BPA: Bottom of Preamplifier L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering