XXXX Site Information Form (site log) International GNSS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Ole Bjerregaard Hansen Date Prepared : 2020-02-05 Report Type : UPDATE If Update: Previous Site Log : qaq2_20191024.log Modified/Added Sections : 3.7, 3.8 1. Site Identification of the GNSS Monument Site Name : Qaqortoq Four Character ID : QAQ2 Monument Inscription : IERS DOMES Number : 43007M002 CDP Number : (A4) Monument Description : 2 m aluminium mast boltet to bedrock Height of the Monument : 2.0(m) Monument Foundation : STEEL RODS Foundation Depth : (m) Marker Description : Top center of antenna mount Date Installed : 2012-08-17 Geologic Characteristic : Bedrock Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY) Bedrock Condition : (FRESH/JOINTED/WEATHERED) Fracture Spacing : (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 : Qaqortoq State or Province : Greenland Country : Greenland/Denmark Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : 2170932.75 Y coordinate (m) : -2251832.50 Z coordinate (m) : 5539991.15 Latitude (N is +) : +604255.12 Longitude (E is +) : -0460252.51 Elevation (m,ellips.) : 00110.6 Additional Information : IGb08 404 days PPP 2015 and 2016 3. GNSS Receiver Information 3.1 Receiver Type : JAVAD TRE_G3TH SIGMA Satellite System : GPS+GLO Serial Number : 00813 Firmware Version : 3.5.1 Elevation Cutoff Setting : 0 Date Installed : 2012-08-17 Date Removed : 2014-10-04 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.2 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+SBAS Serial Number : 1831023 Firmware Version : 3.10/6.403 Elevation Cutoff Setting : 0 Date Installed : 2014-10-05 Date Removed : 2014-11-04T11:59:59Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.3 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+SBAS Serial Number : 1831023 Firmware Version : 3.11/6.403 Elevation Cutoff Setting : 0 Date Installed : 2014-11-04T12:23:30Z Date Removed : 2015-09-10T23:59:59Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.4 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+SBAS Serial Number : 1831023 Firmware Version : 3.21/6.403 Elevation Cutoff Setting : 0 Date Installed : 2015-09-11T00:00:00Z Date Removed : 2015-12-07T23:59:59Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.5 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+SBAS Serial Number : 1831023 Firmware Version : 3.21/6.521 Elevation Cutoff Setting : 0 Date Installed : 2015-12-08T00:00Z Date Removed : 2018-07-13T15:54 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.6 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+SBAS Serial Number : 3023005 Firmware Version : 5.2 Elevation Cutoff Setting : 0 Date Installed : 2018-07-14 Date Removed : 2019-03-11 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.7 Receiver Type : SEPT POLARX5S Satellite System : GPS+GLO+GAL+SBAS Serial Number : 3048404 Firmware Version : 5.3 Elevation Cutoff Setting : 0 Date Installed : 2019-10-24 Date Removed : 2020-02-05T15:15Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.8 Receiver Type : SEPT POLARX5S Satellite System : GPS+GLO+GAL+SBAS Serial Number : 3048404 Firmware Version : 5.3.2 Elevation Cutoff Setting : 0 Date Installed : 2020-02-05T15:30Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 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 : LEIAR25.R4 Serial Number : 725246 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.0000 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : (deg; + is clockwise/east) Antenna Radome Type : LEIT Radome Serial Number : Antenna Cable Type : Andrew LDF4-50A Antenna Cable Length : 60 m Date Installed : 2012-08-17 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 5.1 Tied Marker Name : QAQ1 Tied Marker Usage : GNSS Tied Marker CDP Number : (A4) Tied Marker DOMES Number : 43007M001 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 9.1591(m) dy (m) : 2.4878(m) dz (m) : -2.6864(m) Accuracy (mm) : (mm) Survey method : GPS CAMPAIGN Date Measured : 2015-02-13 - 2016-05-27 Additional Information : Mean of 404 days of PPP differences 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 : EXTERNAL RUBIDIUM Input Frequency : 10 MHz Effective Dates : 2012-08-17 Notes : Symmetricom 8040C 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 : GPS/GLONASS/PRARE/SLR/VLBI/TIME/etc) Status : (PERMANENT/MOBILE) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 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 : 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) 8.1.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 : 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) 8.2.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 : 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) 8.3.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) 8.4.1 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) 8.4.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) 8.5.1 Other Instrumentation : (multiple lines) 8.5.x Other Instrumentation : (multiple lines) 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.1 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) 9.1.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) 9.2.1 Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/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) 9.3.1 Signal Obstructions : (TREES/BUILDINGS/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 10.1 Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 10.x Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : DTU Space Preferred Abbreviation : DTU Space Mailing Address : (multiple lines) Primary Contact Contact Name : Finn Bo Madsen Telephone (primary) : +45 4525 9784 Telephone (secondary) : +45 4015 2276 Fax : E-mail : bm@space.dtu.dk Secondary Contact Contact Name : Ole Bjerregaard hansen Telephone (primary) : +45 4525 9738 Telephone (secondary) : +45 2683 2284 Fax : E-mail : obh@space.dtu.dk Additional Information : (multiple lines) 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 : (multiple lines) 13. More Information Primary Data Center : Secondary Data Center : URL for More Information : Hardcopy on File Site Map : (Y or URL) Site Diagram : (Y or URL) Horizon Mask : (Y or URL) Monument Description : (Y or URL) Site Pictures : (Y or URL) Additional Information : (multiple lines) Antenna Graphics with Dimensions (insert text graphic from file antenna.gra) LEIAR25.R3 LEIAR25.R4 +-------+ <-- 0.1995 / \ +---+-------------+---+ <-- 0.1606 TCR | | |---------------------------| |---------------------------------| |---------------------------------------| +---------------------------------------------+ | | | | +-+---------------------------------------------+-+ +-----------------+-------------+-----------------+ <-- 0.0320 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP (5/8" thread might differ from BPA!) <-- 0.3802 --> NOM=NRP