     QEQE00GRL 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            : 2026-02-25
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : qeqe00grl_20260126.log
      Modified/Added Sections : 3.18, 3.19


1.   Site Identification of the GNSS Monument

     Site Name                : Qeqertarsuaq
     Nine Character ID        : QEQE00GRL
     Monument Inscription     : 
     IERS DOMES Number        : 43008M001
     CDP Number               : (A4)
     Monument Description     : Top center of steel plate on 1.5 m concrete
       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           : 2005-07-10
     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             : Qeqertarsuaq (Godhavn)
     State or Province        : Disko Island
     Country or Region        : GRL
     Tectonic Plate           : NORTH AMERICAN
     Approximate Position (ITRF)
       X coordinate (m)       : 1347219.834
       Y coordinate (m)       : -1822147.882
       Z coordinate (m)       : 5942059.668
       Latitude (N is +)      : +691509.46
       Longitude (E is +)     : -0533120.39
       Elevation (m,ellips.)  : 48.8
     Additional Information   : ITRF14 2020-10-09 for the qeqe2830_15s.20o


3.   GNSS Receiver Information

3.1  Receiver Type            : ASHTECH UZ-12
     Satellite System         : GPS
     Serial Number            : 02001
     Firmware Version         : CQ00
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2005-07-10T00:00Z
     Date Removed             : 2006-06-01T00:00Z
     Temperature Stabiliz.    : none
     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           : 2006-06-01T00:00Z
     Date Removed             : 2007-02-20T00:00Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.3  Receiver Type            : ASHTECH Z-XII3
     Satellite System         : GPS
     Serial Number            : 00974
     Firmware Version         : CC00
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2007-02-20T00:00Z
     Date Removed             : 2013-04-26T13:00Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.4  Receiver Type            : JAVAD TRE_G3TH SIGMA
     Satellite System         : GPS+GLO+GAL
     Serial Number            : 00811
     Firmware Version         : 3.5.1
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2013-04-26T15:00Z
     Date Removed             : 2015-04-23T00:00Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.5  Receiver Type            : JAVAD TRE_G3TH SIGMA
     Satellite System         : GPS+GLO+GAL
     Serial Number            : 00811
     Firmware Version         : 3.5.9
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2015-04-24T00:00Z
     Date Removed             : 2015-11-13T00:00Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.6  Receiver Type            : JAVAD TRE_G3TH SIGMA
     Satellite System         : GPS+GLO+GAL
     Serial Number            : 00811
     Firmware Version         : 3.5.12
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2015-11-14T00:00Z
     Date Removed             : 2016-10-11T00:00Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.7  Receiver Type            : JAVAD TRE_G3TH SIGMA
     Satellite System         : GPS+GLO+GAL
     Serial Number            : 00811
     Firmware Version         : 3.5.14
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-10-12T00:00Z
     Date Removed             : 2017-03-07T00:00Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.8  Receiver Type            : JAVAD TRE_G3TH SIGMA
     Satellite System         : GPS+GLO+GAL
     Serial Number            : 00811
     Firmware Version         : 3.6.9
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2017-03-08T00:00Z
     Date Removed             : 2018-11-05T00:00Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.9  Receiver Type            : JAVAD TRE_G3TH SIGMA
     Satellite System         : GPS+GLO+GAL
     Serial Number            : 00811
     Firmware Version         : 3.6.13
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2018-11-06T00:00Z
     Date Removed             : 2019-09-25T00:00Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.10 Receiver Type            : JAVAD TRE_G3TH SIGMA
     Satellite System         : GPS+GLO+GAL
     Serial Number            : 00811
     Firmware Version         : 3.6.15
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2019-09-26T00:00Z
     Date Removed             : 2020-02-06T00:00Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.11 Receiver Type            : JAVAD TRE_G3TH SIGMA
     Satellite System         : GPS+GLO+GAL
     Serial Number            : 00811
     Firmware Version         : 3.6.16
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2020-02-07T00:00Z
     Date Removed             : 2020-03-20T15:00Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.12 Receiver Type            : JAVAD TRE_G3TH SIGMA
     Satellite System         : GPS+GLO+GAL
     Serial Number            : 00811
     Firmware Version         : 3.7.9 Dec,30,2019
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2020-03-20T15:10Z
     Date Removed             : 2020-08-12T13:00Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.13 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+SBAS
     Serial Number            : 3234819
     Firmware Version         : 5.3.2
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2020-08-12T14:15Z
     Date Removed             : 2020-10-05T08:45Z
     Temperature Stabiliz.    : none
     Additional Information   : swap receiver

3.14 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS
     Serial Number            : 3234819
     Firmware Version         : 5.3.2
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2020-10-05T09:00Z
     Date Removed             : 2021-01-12T22:30Z
     Temperature Stabiliz.    : none
     Additional Information   : remove SBAS

3.15 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS
     Serial Number            : 3234819
     Firmware Version         : 5.4.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2021-01-12T22:30Z
     Date Removed             : 2021-07-21T17:52Z
     Temperature Stabiliz.    : none
     Additional Information   : upgrade firmware

3.16 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS
     Serial Number            : 3234819
     Firmware Version         : 5.4.0-patch1
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2021-07-21T17:52Z
     Date Removed             : 2022-09-07T15:31Z
     Temperature Stabiliz.    : none
     Additional Information   : upgrade firmware

3.17 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS
     Serial Number            : 3234819
     Firmware Version         : 5.5.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2022-09-07T15:31Z
     Date Removed             : 2025-06-04T12:27Z
     Temperature Stabiliz.    : none
     Additional Information   : upgrade firmware

3.18 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS
     Serial Number            : 3234819
     Firmware Version         : 5.6.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2025-06-04T12:27Z
     Date Removed             : 2026-02-25T16:45Z
     Temperature Stabiliz.    : none
     Additional Information   : upgrade firmware

3.19 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS
     Serial Number            : 3234819
     Firmware Version         : 5.7.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2026-02-25T16:45Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Temperature Stabiliz.    : none
     Additional Information   : upgrade 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             : ASH701945E_M    SCIS
     Serial Number            : 03056
     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 LDF4-50
     Antenna Cable Length     : 80 m
     Date Installed           : 2005-07-10T00:00Z
     Date Removed             : 2013-04-26T13:00Z
     Additional Information   : (multiple lines)

4.2  Antenna Type             : LEIAR25.R4      LEIT
     Serial Number            : 25566
     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     : N/N
     Antenna Cable Type       : Andrew LDF4-50
     Antenna Cable Length     : 80 m
     Date Installed           : 2013-04-26T15:00Z
     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        : 2005-07-10/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
