QAQ100GRL 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 : 2023-01-10 Report Type : UPDATE If Update: Previous Site Log : qaq100grl_20220909.log Modified/Added Sections : 3.22, 3.23 1. Site Identification of the GNSS Monument Site Name : Qaqortoq Four Character ID : QAQ1 Monument Inscription : IERS DOMES Number : 43007M001 CDP Number : (A4) Monument Description : 2.5 meter concrete pillar with brass nail Height of the Monument : (m) Monument Foundation : (STEEL RODS, CONCRETE BLOCK, ROOF, etc) Foundation Depth : (m) Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 2001-10-15T00:00Z Geologic Characteristic : BEDROCK Bedrock Type : METAMORPHIC Bedrock Condition : JOINTED Fracture Spacing : over 200 cm Fault zones nearby : (YES/NO/Name of the zone) Distance/activity : (multiple lines) Additional Information : 2002-08-20 Format issues, antenna eccentricity, : elevation cutoff setting and datacenter : information has been corrected/added. 2. Site Location Information City or Town : Qaqortoq / Julianehaab State or Province : Greenland Country : Greenland Tectonic Plate : NORTH AMERICAN Approximate Position (ITRF) X coordinate (m) : 2170942.180 Y coordinate (m) : -2251829.950 Z coordinate (m) : 5539988.290 Latitude (N is +) : +604254.95 Longitude (E is +) : -0460251.94 Elevation (m,ellips.) : 110.4 Additional Information : Position origins from one week processing : (GPS week 1136) 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : ZR20012301 Firmware Version : CJ00 Elevation Cutoff Setting : 5 deg Date Installed : 2001-10-15T00:00Z Date Removed : 2005-08-01T19:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.2 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 02259 Firmware Version : 1L00 Elevation Cutoff Setting : 5 deg Date Installed : 2005-08-01T19:07Z Date Removed : 2006-02-23T13:59Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.3 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : ZR20012301 Firmware Version : CJ00 Elevation Cutoff Setting : 5 deg Date Installed : 2006-02-23T14:00Z Date Removed : 2014-10-05T18:59Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.4 Receiver Type : JAVAD TRE_G3T SIGMA Satellite System : GPS+GLO Serial Number : 00813 Firmware Version : 3.5.1 Mar,04,2013 Elevation Cutoff Setting : 0 deg Date Installed : 2014-10-05T20:00Z Date Removed : 2015-04-23T11:08Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.5 Receiver Type : JAVAD TRE_G3T SIGMA Satellite System : GPS+GLO Serial Number : 00813 Firmware Version : 3.5.9 Apr,21,2015 Elevation Cutoff Setting : 0 deg Date Installed : 2015-04-23T11:08Z Date Removed : 2015-10-08T12:10Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.6 Receiver Type : JAVAD TRE_G3T SIGMA Satellite System : GPS+GLO+SBAS Serial Number : 00813 Firmware Version : 3.5.9 Apr,21,2015 Elevation Cutoff Setting : 0 deg Date Installed : 2015-10-08T12:10Z Date Removed : 2015-11-13T10:31Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.7 Receiver Type : JAVAD TRE_G3T SIGMA Satellite System : GPS+GLO+SBAS Serial Number : 00813 Firmware Version : 3.5.12 Nov,12,2015 Elevation Cutoff Setting : 0 deg Date Installed : 2015-11-13T10:31Z Date Removed : 2016-06-02T13:05Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.8 Receiver Type : JAVAD TRE_G3T SIGMA Satellite System : GPS+GLO+SBAS Serial Number : 00813 Firmware Version : 3.5.13 May,18,2016 Elevation Cutoff Setting : 0 deg Date Installed : 2016-06-02T13:05Z Date Removed : 2016-09-26T12:08Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.9 Receiver Type : JAVAD TRE_G3T SIGMA Satellite System : GPS+GLO+SBAS Serial Number : 00813 Firmware Version : 3.5.14 Sep,22,2016 Elevation Cutoff Setting : 0 deg Date Installed : 2016-09-26T12:12Z Date Removed : 2017-03-07T11:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.10 Receiver Type : JAVAD TRE_G3T SIGMA Satellite System : GPS+GLO+SBAS Serial Number : 00813 Firmware Version : 3.6.9 Nov,28,2016 Elevation Cutoff Setting : 0 deg Date Installed : 2017-03-07T11:00Z Date Removed : 2017-06-22T11:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.11 Receiver Type : JAVAD TRE_G3T SIGMA Satellite System : GPS+GLO Serial Number : 00813 Firmware Version : 3.6.9 Nov,28,2016 Elevation Cutoff Setting : 0 deg Date Installed : 2017-06-22T11:00Z Date Removed : 2017-08-14T11:20Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.12 Receiver Type : JAVAD TRE_G3T SIGMA Satellite System : GPS+GLO+SBAS Serial Number : 00813 Firmware Version : 3.6.9 Nov,28,2016 Elevation Cutoff Setting : 0 deg Date Installed : 2017-08-14T11:22Z Date Removed : 2018-11-05T10:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.13 Receiver Type : JAVAD TRE_G3T SIGMA Satellite System : GPS+GLO+SBAS Serial Number : 00813 Firmware Version : 3.6.13 Feb,12,2018 Elevation Cutoff Setting : 0 deg Date Installed : 2018-11-05T14:10Z Date Removed : 2019-06-21T11:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.14 Receiver Type : SEPT POLARX5S Satellite System : GPS+GLO+GAL+SBAS Serial Number : 3048404 Firmware Version : 5.2.0 Elevation Cutoff Setting : 0 deg Date Installed : 2019-06-21T12:00Z Date Removed : 2019-09-26T09:30Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.15 Receiver Type : SEPT POLARX5S Satellite System : GPS+GLO+GAL+SBAS Serial Number : 3048404 Firmware Version : 5.3.0 Elevation Cutoff Setting : 0 deg Date Installed : 2019-09-26T09:35Z Date Removed : 2019-10-24T11:21Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.16 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+SBAS Serial Number : 3023005 Firmware Version : 5.3.0 Elevation Cutoff Setting : 0 deg Date Installed : 2019-10-24T12:00Z Date Removed : 2020-02-05T08:40Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.17 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+SBAS Serial Number : 3023005 Firmware Version : 5.3.2 Elevation Cutoff Setting : 0 deg Date Installed : 2020-02-05T08:45Z Date Removed : 2020-06-08T23:59Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.18 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 3023005 Firmware Version : 5.3.2 Elevation Cutoff Setting : 0 deg Date Installed : 2020-06-09T00:00Z Date Removed : 2020-10-06T08:30Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.19 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3023005 Firmware Version : 5.3.2 Elevation Cutoff Setting : 0 deg Date Installed : 2020-10-06T08:30Z Date Removed : 2021-01-13T16:45Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.20 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3023005 Firmware Version : 5.4.0 Elevation Cutoff Setting : 0 deg Date Installed : 2021-01-13T16:45Z Date Removed : 2021-07-26T23:24Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.21 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3023005 Firmware Version : 5.4.0-patch1 Elevation Cutoff Setting : 0 deg Date Installed : 2021-07-26T23:24Z Date Removed : 2022-09-09T09:55Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.22 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3023005 Firmware Version : 5.5.0 Elevation Cutoff Setting : 0 deg Date Installed : 2022-09-09T09:55Z Date Removed : 2023-01-10T17:25Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.23 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS Serial Number : 3023005 Firmware Version : 5.5.0 Elevation Cutoff Setting : 0 deg Date Installed : 2023-01-10T17:25Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : none Additional Information : QZSS SVs not in view 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 : ASH701941.B SCIS Serial Number : 13301 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1206 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 : 55 m Date Installed : 2001-10-15T00:00Z Date Removed : 2003-08-26T14:12Z Additional Information : (multiple lines) 4.2 Antenna Type : ASH701941.B NONE Serial Number : 13301 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1206 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 : Andrew LDF4-50A Antenna Cable Length : 55 m Date Installed : 2003-09-05T12:00Z Date Removed : 2003-09-29T11:20Z Additional Information : (multiple lines) 4.3 Antenna Type : ASH701941.B SCIS Serial Number : 13301 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1206 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 : 55 m Date Installed : 2003-09-29T11:21Z Date Removed : 2003-12-30T17:08Z Additional Information : (multiple lines) 4.4 Antenna Type : ASH701945E_M SCIS Serial Number : 24206 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1206 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 : 55 m Date Installed : 2003-12-30T17:09Z 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 : EXTERNAL RUBIDIUM Input Frequency : 5 MHz Effective Dates : 2001-11-11/2005-09-04 Notes : DATUM EFRATOM FRK-LLN S/N 18676 6.2 Standard Type : INTERNAL Input Frequency : (if external) Effective Dates : 2005-09-05/2006-01-11 Notes : receiver not locked to external frequency 6.3 Standard Type : EXTERNAL RUBIDIUM Input Frequency : 5 MHz Effective Dates : 2006-01-11/2019-06-21 Notes : DATUM EFRATOM FRK-LLN S/N 18676 6.4 Standard Type : INTERNAL Input Frequency : (if external) Effective Dates : 2019-06-21/CCYY-MM-DD Notes : NONE 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 8.1.1 Humidity Sensor Model : HMP45D Manufacturer : VAISALA Serial Number : Data Sampling Interval : 300 sec Accuracy (% rel h) : 2 % rel h Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : 5.578 m Calibration date : (CCYY-MM-DD) Effective Dates : 2001-11-15/2019-06-21 Notes : Serial U5020002 8.1.2 Humidity Sensor Model : HUMICAP180 Manufacturer : VAISALA Serial Number : Data Sampling Interval : 300 sec Accuracy (% rel h) : 1 % rel h Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : 5.578 m Calibration date : 2018-12-01 Effective Dates : 2019-06-21/CCYY-MM-DD Notes : Serial P5240847 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 : 5.578 m Calibration date : (CCYY-MM-DD) Effective Dates : 2001-11-15/2019-06-21 Notes : Serial U5120002 8.2.2 Pressure Sensor Model : PTU303 Manufacturer : VAISALA Serial Number : Data Sampling Interval : 300 sec Accuracy : 0.3 hPa Height Diff to Ant : 5.578 m Calibration date : 2018-12-01 Effective Dates : 2019-06-21/CCYY-MM-DD Notes : Serial P5240847 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/NATURAL/FAN/etc) Height Diff to Ant : 5.578 m Calibration date : (CCYY-MM-DD) Effective Dates : 2001-11-15/2019-06-21 Notes : Serial U5120002 8.3.2 Temp. Sensor Model : PTU303 Manufacturer : VAISALA Serial Number : Data Sampling Interval : 300 sec Accuracy : 0.2 deg C Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : 5.578 m Calibration date : 2018-12-01 Effective Dates : 2019-06-21/CCYY-MM-DD Notes : Serial P5240847 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 : (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 : CDDIS Secondary Data Center : BKG 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 ASH701945B_M ASH701945C_M ASH701945D_M ASH701945E_M +-------+ / + \ <-- 0.1280 L2 | + | <-- 0.1100 L1 +-----------------+-------------+------------------+ <-- 0.1006 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.0376 +-------------------+-------------+--------------------+ <-- 0.0346 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.3794 -->