THU200GRL 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) : DTU Space GNSS Team Date Prepared : 2023-10-20 Report Type : UPDATE If Update: Previous Site Log : thu2_20220908.log Modified/Added Sections : 5.3, 5.5, 8.1.1, 8.1.2, 8.2.1, 8.2.2, 8.3.1, : 8.3.2, 13 1. Site Identification of the GNSS Monument Site Name : Thule Four Character ID : THU2 Monument Inscription : IERS DOMES Number : 43001M002 CDP Number : Monument Description : Pillar Height of the Monument : 1.5 m Monument Foundation : Steel rods Foundation Depth : 1.5 m Marker Description : Date Installed : 1998-10-26T00:00Z Geologic Characteristic : Bedrock Bedrock Type : METAMORPHIC Bedrock Condition : JOINTED Fracture Spacing : 51-200 cm Fault zones nearby : NO Distance/activity : Additional Information : Monument+antenna shared with IGS station THU3 2. Site Location Information City or Town : Thule Airbase State or Province : Greenland Country : Greenland Tectonic Plate : NORTH AMERICAN Approximate Position (ITRF) X coordinate (m) : 538093.193 Y coordinate (m) : -1389088.13 Z coordinate (m) : 6180979.36 Latitude (N is +) : +763213.37 Longitude (E is +) : -0684930.18 Elevation (m,ellips.) : 36.2 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLO Serial Number : 00121 Firmware Version : 0057ZT12 Elevation Cutoff Setting : 5 deg Date Installed : 1998-10-26T00:00Z Date Removed : 2000-11-07T00:00Z Temperature Stabiliz. : none Additional Information : 3.2 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLO Serial Number : 00121 Firmware Version : 0064ZT12 Elevation Cutoff Setting : 5 deg Date Installed : 2000-11-07T00:00Z Date Removed : 2002-05-08T00:00Z Temperature Stabiliz. : none Additional Information : Date removed changed to 2002-05-08T00:00Z : on 2021-02-14 3.3 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLO Serial Number : 00109 Firmware Version : 0065ZT12 Elevation Cutoff Setting : 5 deg Date Installed : 2002-05-08T00:00Z Date Removed : 2002-09-25T00:00Z Temperature Stabiliz. : none Additional Information : 3.4 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLO Serial Number : 00121 Firmware Version : 0065ZT12 Elevation Cutoff Setting : 5 deg Date Installed : 2002-09-25T00:00Z Date Removed : 2003-11-12T10:59Z Temperature Stabiliz. : none Additional Information : 3.5 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLO Serial Number : 00121 Firmware Version : 0065ZT17 Elevation Cutoff Setting : 5 deg Date Installed : 2003-11-12T11:38Z Date Removed : 2006-03-09T23:59Z Temperature Stabiliz. : none Additional Information : 3.6 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : MT310930514 Firmware Version : 2.3 Elevation Cutoff Setting : 5 deg Date Installed : 2006-03-10T00:00Z Date Removed : 2008-04-06T15:00Z Temperature Stabiliz. : none Additional Information : 3.7 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : MT310131707 Firmware Version : 2.6 Elevation Cutoff Setting : 0 deg Date Installed : 2008-04-06T15:31Z Date Removed : 2013-03-19T00:00Z Temperature Stabiliz. : none Additional Information : 3.8 Receiver Type : LEICA GRX1200+GNSS Satellite System : GPS+GLO Serial Number : 96095 Firmware Version : 8.51 Elevation Cutoff Setting : 0 deg Date Installed : 2013-03-19T00:00Z Date Removed : 2013-05-29T14:00Z Temperature Stabiliz. : none Additional Information : 3.9 Receiver Type : LEICA GRX1200+GNSS Satellite System : GPS+GLO Serial Number : 96095 Firmware Version : 8.71 Elevation Cutoff Setting : 0 deg Date Installed : 2013-05-29T14:00Z Date Removed : 2016-03-16T10:00Z Temperature Stabiliz. : none Additional Information : 3.10 Receiver Type : LEICA GRX1200+GNSS Satellite System : GPS+GLO Serial Number : 96095 Firmware Version : 8.71/6.110 Elevation Cutoff Setting : 0 deg Date Installed : 2016-03-16T10:00Z Date Removed : 2016-10-07T10:00Z Temperature Stabiliz. : none Additional Information : 3.11 Receiver Type : LEICA GRX1200+GNSS Satellite System : GPS+GLO Serial Number : 96095 Firmware Version : 9.20/6.405 Elevation Cutoff Setting : 0 deg Date Installed : 2016-10-07T10:00Z Date Removed : 2018-08-27T23:59Z Temperature Stabiliz. : none Additional Information : 3.12 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL Serial Number : 1830369 Firmware Version : 4.30/6.525 Elevation Cutoff Setting : 0 deg Date Installed : 2018-08-28T04:00Z Date Removed : 2019-05-03T23:59Z Temperature Stabiliz. : none Additional Information : 3.13 Receiver Type : JAVAD TRE_G3T SIGMA Satellite System : GPS+GLO+SBAS Serial Number : 00812 Firmware Version : 3.6.15 Feb,05,2019 Elevation Cutoff Setting : 0 deg Date Installed : 2019-05-04T00:00Z Date Removed : 2020-02-05T11:30Z Temperature Stabiliz. : none Additional Information : 3.14 Receiver Type : JAVAD TRE_G3T SIGMA Satellite System : GPS+GLO+SBAS Serial Number : 00812 Firmware Version : 3.6.16 Jan,21,2020 Elevation Cutoff Setting : 0 deg Date Installed : 2020-02-05T11:35Z Date Removed : 2020-03-20T15:45Z Temperature Stabiliz. : none Additional Information : 3.15 Receiver Type : JAVAD TRE_G3T SIGMA Satellite System : GPS+GLO+SBAS Serial Number : 00812 Firmware Version : 3.7.9 Dec,30,2019 Elevation Cutoff Setting : 0 deg Date Installed : 2020-03-20T15:55Z Date Removed : 2020-10-16T23:59Z Temperature Stabiliz. : none Additional Information : 3.16 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3234350 Firmware Version : 5.3.2 Elevation Cutoff Setting : 0 deg Date Installed : 2020-10-17T00:00Z Date Removed : 2021-01-13T18:45Z Temperature Stabiliz. : none Additional Information : 3.17 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3234350 Firmware Version : 5.4.0 Elevation Cutoff Setting : 0 deg Date Installed : 2021-01-13T18:45Z Date Removed : 2021-07-26T23:59Z Temperature Stabiliz. : none Additional Information : 3.18 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3234350 Firmware Version : 5.4.0-patch1 Elevation Cutoff Setting : 0 deg Date Installed : 2021-07-26T23:59Z Date Removed : 2022-09-08T12:24Z Temperature Stabiliz. : none Additional Information : 3.19 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3234350 Firmware Version : 5.5.0 Elevation Cutoff Setting : 0 deg Date Installed : 2022-09-08T12:24Z 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 : ASH701073.1 DOME Serial Number : G0111 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1002 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : DOME Radome Serial Number : Antenna Cable Type : Andrew Heliax LDF4-50A Antenna Cable Length : 75 m Date Installed : 1998-10-26T00:00Z Date Removed : 2000-11-17T18:00Z Additional Information : 4.2 Antenna Type : ASH701073.1 SCIS Serial Number : G0111 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1002 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 : Antenna Cable Type : Andrew Heliax LDF4-50A Antenna Cable Length : 75 m Date Installed : 2000-11-17T18:00Z 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 : THU1 Tied Marker Usage : IGS global station Tied Marker CDP Number : Tied Marker DOMES Number : 43001M001 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 887.691 dy (m) : 373.240 dz (m) : 25.840 Accuracy (mm) : Survey method : GPS CAMPAIGN Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : one year of daily files 5.2 Tied Marker Name : THU3 Tied Marker Usage : IGS global station Tied Marker CDP Number : Tied Marker DOMES Number : 43001M002 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 0.000 dy (m) : 0.000 dz (m) : 0.000 Accuracy (mm) : Survey method : GPS CAMPAIGN Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : Same antenna for THU2 and THU3 5.3 Tied Marker Name : THU1 Tied Marker Usage : IGS global station Tied Marker CDP Number : Tied Marker DOMES Number : 43001M001 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 887.699 dy (m) : 373.219 dz (m) : 25.937 Accuracy (mm) : Survey method : GPS CAMPAIGN Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : Differential components in section 5.1 have : been found erroneous. Two years of daily files : have been processed. 5.4 Tied Marker Name : THUB Tied Marker Usage : DORIS station Tied Marker CDP Number : Tied Marker DOMES Number : 43001S005 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 16.946 dy (m) : 56.670 dz (m) : 15.283 Accuracy (mm) : 1 Survey method : GPS Date Measured : 2002-09-28T00:00Z Additional Information : 20 hours of GPS observations 5.5 Tied Marker Name : THUB Tied Marker Usage : DORIS station Tied Marker CDP Number : Tied Marker DOMES Number : 43001S005 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 16.954 dy (m) : 56.685 dz (m) : 15.270 Accuracy (mm) : 1 Survey method : GPS, directions and distances, levelling Date Measured : 2008-08-01T00:00Z Additional Information : First re-measurement since monument was : damaged and rebuilt 2002-10-14 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 : 1998-10-26/2000-01-07 Notes : 6.2 Standard Type : EXTERNAL RUBIDIUM Input Frequency : 5.0 MHz Effective Dates : 2000-01-07/2013-03-19 Notes : FRK-LLN P/N:80104736 S/N: 19087 6.3 Standard Type : EXTERNAL RUBIDIUM Input Frequency : 10.0 MHz Effective Dates : 2013-03-19/2019-05-04 Notes : Symmetricom 8040C p/n: 15230-101 s/n:0652013964 6.4 Standard Type : INTERNAL Input Frequency : Effective Dates : 2019-05-04/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 : 2002-09-30/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 8.1.1 Humidity Sensor Model : HMP45D Manufacturer : VAISALA Serial Number : Data Sampling Interval : 300 sec Accuracy (% rel h) : 2 Aspiration : UNASPIRATED Height Diff to Ant : 5.1 m Calibration date : Effective Dates : 2001-09-01/2023-09-04 Notes : Serial U5020003 8.1.2 Humidity Sensor Model : PTU303 Manufacturer : VAISALA Serial Number : V0660128 Data Sampling Interval : 1 sec Accuracy (% rel h) : 2 Aspiration : UNASPIRATED Height Diff to Ant : 5.042 m Calibration date : 2023-02-01 Effective Dates : 2023-09-04/CCYY-MM-DD Notes : Height measured from air pressure intake to : marker 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) 8.2.1 Pressure Sensor Model : PTU200 Class A Manufacturer : VAISALA Serial Number : Data Sampling Interval : 300 sec Accuracy : 0.15 hPa Height Diff to Ant : 5.1 m Calibration date : Effective Dates : 2001-09-01/2023-09-04 Notes : Serial U5120003 8.2.2 Pressure Sensor Model : PTU303 Manufacturer : VAISALA Serial Number : V0660128 Data Sampling Interval : 1 sec Accuracy : 0.3 hPa Height Diff to Ant : 5.042 m Calibration date : 2023-02-01 Effective Dates : 2023-09-04/CCYY-MM-DD Notes : Height measured from air pressure intake to : marker 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) 8.3.1 Temp. Sensor Model : PTU200 Manufacturer : VAISALA Serial Number : Data Sampling Interval : 300 sec Accuracy : 0.2 deg C Aspiration : UNASPIRATED Height Diff to Ant : 5.1 m Calibration date : Effective Dates : 2001-09-01/2023-09-04 Notes : Serial U5120003 8.3.2 Temp. Sensor Model : PTU303 Manufacturer : VAISALA Serial Number : V0660128 Data Sampling Interval : 1 sec Accuracy : 0.2 deg C Aspiration : UNASPIRATED Height Diff to Ant : 5.042 m Calibration date : 2023-02-01 Effective Dates : 2023-09-04/CCYY-MM-DD Notes : Height measured from air pressure intake to : marker 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 : National Space Institute : Technical University of Denmark Preferred Abbreviation : DTU Space Mailing Address : Elektrovej bldg. 328 : DK-2800 Kongens Lyngby : Denmark Primary Contact Contact Name : DTU Space GNSS Team Telephone (primary) : Telephone (secondary) : Fax : E-mail : DTUSpace-GNSS@space.dtu.dk Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 12. Responsible Agency (if different from 11.) Agency : (multiple lines) Preferred Abbreviation : (A10) Mailing Address : (multiple lines) 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 : CDDIS Secondary Data Center : BKG URL for More Information : Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Site Pictures : Additional Information : Antenna Graphics with Dimensions ASH701073.1 ASH701073.3 +-------+ / + \ <-- 0.1280 L2 | + | <-- 0.1100 L1 +-----------------+-------------+------------------+ <-- 0.1020 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.0380 +-------------------+-------------+--------------------+ <-- 0.0350 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- ? -->