NUUK00GRL Site Information Form (site log v2.0) International GNSS Service See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr_v2.0.txt 0. Form Prepared by (full name) : KDS GNSS Team (gnss@kds.dk) Date Prepared : 2026-02-23 Report Type : UPDATE If Update: Previous Site Log : nuuk00grl_20260126.log Modified/Added Sections : 3.15, 3.16 1. Site Identification of the GNSS Monument Site Name : Nuuk Nine Character ID : NUUK00GRL Monument Inscription : IERS DOMES Number : 43013M001 CDP Number : (A4) Monument Description : Top center of 1.5 m aluminium mast boltet to Height of the Monument : 1.5 m Monument Foundation : (STEEL RODS, CONCRETE BLOCK, ROOF, etc Foundation Depth : (m) Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 2008-10-01 Geologic Characteristic : BEDROCK Bedrock Type : METAMORPHIC Bedrock Condition : FRESH Fracture Spacing : (0 cm/1-10 cm/11-50 cm/51-200 cm/over 200 cm) Fault zones nearby : (YES/NO/Name of the zone) Distance/activity : (multiple lines) Additional Information : (multiple lines) 2. Site Location Information City or Town : Nuuk State or Province : GREENLAND Country or Region : GRL Tectonic Plate : NORTH AMERICAN Approximate Position (ITRF) X coordinate (m) : 1725034.383 Y coordinate (m) : -2186716.669 Z coordinate (m) : 5718754.018 Latitude (N is +) : +641100.79 Longitude (E is +) : -0514352.19 Elevation (m,ellips.) : 109.4 Additional Information : (multiple lines) 3. GNSS Receiver Information 3.1 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355455 Firmware Version : 6.00 Elevation Cutoff Setting : 0 deg Date Installed : 2008-10-01T00:00Z Date Removed : 2009-07-09T16:32Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.2 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355455 Firmware Version : 7.53 Elevation Cutoff Setting : 0 deg Date Installed : 2009-07-09T16:32Z Date Removed : 2010-03-25T12:53Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.3 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355455 Firmware Version : 7.80 Elevation Cutoff Setting : 0 deg Date Installed : 2010-03-28T08:35Z Date Removed : 2010-04-21T08:35Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.4 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355455 Firmware Version : 7.81 Elevation Cutoff Setting : 0 deg Date Installed : 2010-04-22T00:00Z Date Removed : 2010-11-29T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.5 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355455 Firmware Version : 8.01 Elevation Cutoff Setting : 0 deg Date Installed : 2010-11-30T00:00Z Date Removed : 2011-07-14T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.6 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355455 Firmware Version : 8.20 Elevation Cutoff Setting : 0 deg Date Installed : 2011-07-15T00:00Z Date Removed : 2012-04-10T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.7 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355455 Firmware Version : 8.51 Elevation Cutoff Setting : 0 deg Date Installed : 2012-04-11T00:00Z Date Removed : 2013-05-30T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.8 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355455 Firmware Version : 8.71 Elevation Cutoff Setting : 0 deg Date Installed : 2013-05-31T00:00Z Date Removed : 2016-10-07T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.9 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355455 Firmware Version : 9.20 Elevation Cutoff Setting : 0 deg Date Installed : 2016-10-08T00:00Z Date Removed : 2020-08-11T14:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.10 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS Serial Number : 3234331 Firmware Version : 5.3.2 Elevation Cutoff Setting : 0 deg Date Installed : 2020-08-11T16:30Z Date Removed : 2020-10-05T07:45Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.11 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3234331 Firmware Version : 5.3.2 Elevation Cutoff Setting : 0 deg Date Installed : 2020-10-05T08:00Z Date Removed : 2021-01-12T17:15Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.12 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3234331 Firmware Version : 5.4.0 Elevation Cutoff Setting : 0 deg Date Installed : 2021-01-12T17:15Z Date Removed : 2021-07-21T15:20Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.13 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3234331 Firmware Version : 5.4.0-patch1 Elevation Cutoff Setting : 0 deg Date Installed : 2021-07-21T15:20Z Date Removed : 2022-09-07T15:01Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.14 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3234331 Firmware Version : 5.5.0 Elevation Cutoff Setting : 0 deg Date Installed : 2022-09-07T15:01Z Date Removed : 2025-06-04T11:44Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.15 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3234331 Firmware Version : 5.6.0 Elevation Cutoff Setting : 0 deg Date Installed : 2025-06-04T11:44Z Date Removed : 2026-02-23T22:52Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.16 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3234331 Firmware Version : 5.7.0 Elevation Cutoff Setting : 0 deg Date Installed : 2026-02-23T22:52Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : none Additional Information : New Firmware 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS+GLO+GAL+BDS+QZSS+IRNSS+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 : TRM29659.00 SCIS Serial Number : 37999 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0000 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 LDF4-50A Antenna Cable Length : 80 m Date Installed : 2008-10-01 Date Removed : 2009-06-20 Additional Information : (multiple lines) 4.2 Antenna Type : LEIAR25 LEIT Serial Number : 00014 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0000 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : LEIT Radome Serial Number : Antenna Cable Type : Andrew LDF4-50A Antenna Cable Length : 80 m Date Installed : 2009-06-20 Date Removed : 2010-09-09T14:11Z Additional Information : (multiple lines) 4.3 Antenna Type : LEIAR25.R3 LEIT Serial Number : 31014 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0000 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : LEIT Radome Serial Number : Antenna Cable Type : Andrew LDF4-50A Antenna Cable Length : 80 m Date Installed : 2010-09-09T15:50Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : (multiple lines) 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 : (if external) Effective Dates : 2008-10-01/CCYY-MM-DD Notes : (multiple lines) 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 : National Space Institute : Technical University of Denmark Preferred Abbreviation : DTU Space Mailing Address : Elektrovej Building 328 : Denmark DK-2800 Kongens Lyngby : Denmark Primary Contact Contact Name : DTU Space GNSS Team Telephone (primary) : +45 45 25 95 00 Telephone (secondary) : Fax : E-mail : dtuspace-gnss@space.dtu.dk Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : The Danish Agency for Climate Data Preferred Abbreviation : KDS Mailing Address : Sankt Kjelds Plads 11 : DK-2100 Copenhagen Ø : Denmark Primary Contact Contact Name : KDS GNSS Team Telephone (primary) : Telephone (secondary) : Fax : E-mail : gnss@kds.dk Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 13. More Information Primary Data Center : The Danish Agency for Climate Data (KDS) Secondary Data Center : DTU Space URL for More Information : Hardcopy on File Site Map : (Y or URL) Site Diagram : (Y) Horizon Mask : (Y) Monument Description : (Y) Site Pictures : (Y) Additional Information : (multiple lines) Antenna Graphics with Dimensions LEIAR25.R3/LEIAR25.R4 +-------+ <-- 0.1995 / \ +---+-------------+---+ <-- 0.1606 TCR | | |---------------------------| |---------------------------------| |---------------------------------------| +---------------------------------------------+ | | | | +-+---------------------------------------------+-+ +-----------------+-------------+-----------------+ <-- 0.0320 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.3802 --> 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 Preamplifier TOP: Top of Pole