STHL00GBR 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) : Tatevik Shakhbandaryan Date Prepared : 2024-04-22 Report Type : UPDATE If Update: Previous Site Log : sthl_20210803.log Modified/Added Sections : 3.9, 3.10, 11, 12 1. Site Identification of the GNSS Monument Site Name : Saint Helena Nine Character ID : STHL00GBR Monument Inscription : IERS DOMES Number : 30606M003 CDP Number : Monument Description : PILLAR Height of the Monument : 1.312 m Monument Foundation : CONCRETE BLOCK Foundation Depth : 0.9 m Marker Description : SCIGN mount Date Installed : 2010-03-02T17:00Z Geologic Characteristic : COMPACT SOIL Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : NO Distance/activity : Additional Information : Site is located at MET office 2. Site Location Information City or Town : Longwood State or Province : Saint Helena Country or Region : Tectonic Plate : NUBIA Approximate Position (ITRF) X coordinate (m) : 6104817.3080 Y coordinate (m) : -605827.9960 Z coordinate (m) : -1740738.8650 Latitude (N is +) : -155633.12 Longitude (E is +) : -0054002.44 Elevation (m,ellips.) : 453.3 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : TPS NET-G3A Satellite System : GPS+GLO Serial Number : 618-00321 Firmware Version : 3.4p1 Elevation Cutoff Setting : 4 deg Date Installed : 2010-03-03T00:00Z Date Removed : 2017-02-03T17:14Z Temperature Stabiliz. : none Additional Information : 3.2 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO Serial Number : 02219 Firmware Version : 3.6.4 Elevation Cutoff Setting : 0 deg Date Installed : 2017-02-03T17:15Z Date Removed : 2018-08-30T19:37Z Temperature Stabiliz. : none Additional Information : 3.3 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL Serial Number : 02219 Firmware Version : 3.7.2 Elevation Cutoff Setting : 0 deg Date Installed : 2018-08-30T19:52Z Date Removed : 2018-12-07T18:30Z Temperature Stabiliz. : none Additional Information : 3.4 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL+BDS Serial Number : 02219 Firmware Version : 3.7.4 Elevation Cutoff Setting : 0 deg Date Installed : 2018-12-07T18:30Z Date Removed : 2019-09-12T23:27Z Temperature Stabiliz. : none Additional Information : 3.5 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL+BDS Serial Number : 02219 Firmware Version : 3.7.6 Elevation Cutoff Setting : 0 deg Date Installed : 2019-09-12T23:27Z Date Removed : 2020-03-31T18:44Z Temperature Stabiliz. : none Additional Information : 3.6 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 02219 Firmware Version : 3.7.9 Elevation Cutoff Setting : 0 deg Date Installed : 2020-03-31T18:44Z 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 : 02219 Firmware Version : 3.7.9 Elevation Cutoff Setting : 0 deg Date Installed : 2021-01-29T01:00Z Date Removed : 2021-03-12T23:46Z Temperature Stabiliz. : none Additional Information : 3.8 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL+BDS Serial Number : 02219 Firmware Version : 4.0.02 Elevation Cutoff Setting : 0 deg Date Installed : 2021-03-12T23:46Z Date Removed : 2021-08-03T17:58Z Temperature Stabiliz. : none Additional Information : 3.9 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL+BDS Serial Number : 02219 Firmware Version : 4.1.01 Elevation Cutoff Setting : 0 deg Date Installed : 2021-08-03T17:58Z Date Removed : 2024-04-16T20:07Z Temperature Stabiliz. : none Additional Information : 3.10 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL+BDS Serial Number : 02219 Firmware Version : 4.3.00 Elevation Cutoff Setting : 0 deg Date Installed : 2024-04-16T20:07Z 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 : TPSCR.G3 SCIS Serial Number : 383-0150 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0083 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : SCIS Radome Serial Number : 1137 Antenna Cable Type : TIMES LMR 400 Antenna Cable Length : 30 m Date Installed : 2010-03-03T00:00Z 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.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 : 2010-03-03/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 : 1997-04-09/CCYY-MM-DD Notes : DORIS STATION HAS MORE THAN 17 YEARS LONG TIME : SERIES PERIOD, COVERING THE 3 DIFFERENT : POSITIONS HELA, HELB, AND HEMD FOR WHICH THERE : IS A PRECISE INTRA-TECHNIQUE LOCAL TIE SURVEY. : http://ids-doris.org/documents/doris/stations : /log/archive/HEMB200812.LOG 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 : 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 : 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 : Monument Description : Y Site Pictures : Y Additional Information : Antenna Graphics with Dimensions TPSCR.G3 +-------+ / + \ | + | +-----------------+-------------+------------------+ <-- 0.1015 TCR | | | | | | | | +-+--------------------------------------------------+-+ +-------------------+-------------+--------------------+ <-- 0.0345 BCR | | | | +------x------+ <-- 0.0 BPA=ARP <-- 0.2380 --> <-- 0.3800 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering TGP: Top of Ground Plane BGP: Bottom of Ground Plane TPA: Top of Preamplifier BPA: Bottom of Preamplifer