ILUL00GRL 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            : 2023-05-22
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : ilul00grl_20220921.log
      Modified/Added Sections : 11, 12, 13


1.   Site Identification of the GNSS Monument

     Site Name                : Ilulissat
     Four Character ID        : ILUL
     Monument Inscription     : 
     IERS DOMES Number        : 43009M001
     CDP Number               : 
     Monument Description     : 0.2153 m base plate on steel rods
       Height of the Monument : 0.215 m
       Monument Foundation    : steel rods
       Foundation Depth       : 0.30 m
     Marker Description       : steel bolt
     Date Installed           : 2005-09-25
     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             : Ilulissat
     State or Province        : 
     Country                  : Greenland
     Tectonic Plate           : NORTH AMERICAN
     Approximate Position (ITRF)
       X coordinate (m)       : 1425038.930
       Y coordinate (m)       : -1763597.227
       Z coordinate (m)       : 5941583.402
       Latitude (N is +)      : +691425.50
       Longitude (E is +)     : -0510338.73 
       Elevation (m,ellips.)  : 55.4
     Additional Information   : MSL height 32.5 m


3.   GNSS Receiver Information

3.1  Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 459351
     Firmware Version         : 2.14
     Elevation Cutoff Setting : 10
     Date Installed           : 2005-09-27
     Date Removed             : 2005-12-16
     Temperature Stabiliz.    : none
     Additional Information   : 

3.2  Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 459352
     Firmware Version         : 3.00
     Elevation Cutoff Setting : 10
     Date Installed           : 2006-02-01T17:00Z
     Date Removed             : 2006-05-23T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   :  

3.3  Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 459340
     Firmware Version         : 3.00
     Elevation Cutoff Setting : 10
     Date Installed           : 2006-05-31T14:49Z
     Date Removed             : 2008-09-09T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   :  

3.4  Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 459340
     Firmware Version         : 6.00
     Elevation Cutoff Setting : 10
     Date Installed           : 2008-09-10T14:03Z
     Date Removed             : 2009-07-10T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   :  

3.5  Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 459340
     Firmware Version         : 7.53
     Elevation Cutoff Setting : 10
     Date Installed           : 2009-07-11T00:00Z
     Date Removed             : 2010-03-25T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   :  

3.6  Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 459340
     Firmware Version         : 7.80
     Elevation Cutoff Setting : 10
     Date Installed           : 2010-03-31T10:18Z
     Date Removed             : 2010-04-14T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   :  

3.7  Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 459340
     Firmware Version         : 7.81
     Elevation Cutoff Setting : 10
     Date Installed           : 2010-04-15T14:00Z
     Date Removed             : 2010-11-16T10:06Z
     Temperature Stabiliz.    : none
     Additional Information   :  

3.8  Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 459340
     Firmware Version         : 8.01
     Elevation Cutoff Setting : 10
     Date Installed           : 2010-11-16T13:07Z
     Date Removed             : 2011-04-11T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   :  

3.9  Receiver Type            : LEICA GRX1200+GNSS
     Satellite System         : GPS
     Serial Number            : 495031
     Firmware Version         : 8.20
     Elevation Cutoff Setting : 10
     Date Installed           : 2011-06-27T17:16Z
     Date Removed             : 2012-03-28T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   :  

3.10 Receiver Type            : LEICA GRX1200+GNSS
     Satellite System         : GPS
     Serial Number            : 495031
     Firmware Version         : 8.51
     Elevation Cutoff Setting : 10
     Date Installed           : 2012-03-29T00:00Z
     Date Removed             : 2013-05-30T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   :  

3.11 Receiver Type            : LEICA GRX1200+GNSS
     Satellite System         : GPS
     Serial Number            : 495031
     Firmware Version         : 8.71
     Elevation Cutoff Setting : 10
     Date Installed           : 2013-05-31T00:00Z
     Date Removed             : 2016-10-06T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   :  

3.12 Receiver Type            : LEICA GRX1200+GNSS
     Satellite System         : GPS
     Serial Number            : 495031
     Firmware Version         : 9.20
     Elevation Cutoff Setting : 10
     Date Installed           : 2016-10-07T00:00Z
     Date Removed             : 2019-08-27T23:39Z
     Temperature Stabiliz.    : none
     Additional Information   :  

3.13 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS
     Serial Number            : 3047908
     Firmware Version         : 5.2.0
     Elevation Cutoff Setting : 0
     Date Installed           : 2019-08-29T00:00Z
     Date Removed             : 2020-02-05T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   :  

3.14 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS
     Serial Number            : 3047908
     Firmware Version         : 5.3.2
     Elevation Cutoff Setting : 0
     Date Installed           : 2020-02-06T00:00Z
     Date Removed             : 2020-07-07T15:00Z
     Temperature Stabiliz.    : none
     Additional Information   :  

3.15 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS
     Serial Number            : 3227843
     Firmware Version         : 5.3.2
     Elevation Cutoff Setting : 0
     Date Installed           : 2020-07-07T15:10Z
     Date Removed             : 2020-10-02T11:15Z
     Temperature Stabiliz.    : none
     Additional Information   :  

3.16 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+IRNSS
     Serial Number            : 3227843
     Firmware Version         : 5.3.2
     Elevation Cutoff Setting : 0
     Date Installed           : 2020-10-02T11:30Z
     Date Removed             : 2021-01-12T11:00Z
     Temperature Stabiliz.    : none
     Additional Information   :  

3.17 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+IRNSS
     Serial Number            : 3227843
     Firmware Version         : 5.4.0
     Elevation Cutoff Setting : 0
     Date Installed           : 2021-01-12T11:00Z
     Date Removed             : 2021-03-12T11:58Z
     Temperature Stabiliz.    : none
     Additional Information   :  

3.18 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+IRNSS
     Serial Number            : 3069150
     Firmware Version         : 5.4.0
     Elevation Cutoff Setting : 0
     Date Installed           : 2021-03-12T11:58Z
     Date Removed             : 2021-07-18T15:02Z
     Temperature Stabiliz.    : none
     Additional Information   : swap receivers 

3.19 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+IRNSS
     Serial Number            : 3069150
     Firmware Version         : 5.4.0-patch1
     Elevation Cutoff Setting : 0
     Date Installed           : 2021-07-18T15:02Z
     Date Removed             : 2022-09-07T12:43Z
     Temperature Stabiliz.    : none
     Additional Information   : 

3.20 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+IRNSS
     Serial Number            : 3069150
     Firmware Version         : 5.5.0
     Elevation Cutoff Setting : 0
     Date Installed           : 2022-09-07T12:43Z
     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/GLONASS/GPS+GLONASS)
     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
     Additional Information   : (multiple lines)


4.   GNSS Antenna Information

4.1  Antenna Type             : LEIAT504        LEIS
     Serial Number            : 1285
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.2153
     Marker->ARP North Ecc(m) : 0.0000
     Marker->ARP East Ecc(m)  : 0.0000
     Alignment from True N    : 0
     Antenna Radome Type      : LEIS
     Radome Serial Number     : 
     Antenna Cable Type       : SUHNER SUCOFEED 3/8" HF-FR-UL CMR-FT4 10AWG75
     Antenna Cable Length     : 30 m
     Date Installed           : 2005-09-27
     Date Removed             : CCYY-MM-DDThh:mmZ
     Additional Information   : Replace BRC by BPA in ILUL00GRL_20201015.log

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        : 2005-09-27/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/BUILDLINGS/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                   : Agency for Data Supply and Infrastructure
     Preferred Abbreviation   : SDFI
     Mailing Address          : Rentemestervej 8
                              : DK-2400 Copenhagen NV
                              : Denmark
     Primary Contact
       Contact Name           : SDFI GNSS Team
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : gnss@sdfi.dk
     Secondary Contact
       Contact Name           : 
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : 
     Additional Information   : (multiple lines)


13.  More Information

     Primary Data Center      : Agency for Data Supply and Infrastructure (SDFI)
     Secondary Data Center    : 
     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

LEIAT504

                         +-------+                          <-- 0.1393
                       /     +     \                        <-- 0.1282 L2
                      |      +      |                       <-- 0.1093 L1
    +-----------------+-------------+------------------+    <-- 0.1012 TCR
    |                                                  |
    |                                                  |
    |                                                  |
    |                                                  |
  +-+--------------------------------------------------+-+  
  +-------------------+-------------+--------------------+  <-- 0.0345 BCR
                      |             |
                      |             |
                      +------x------+                       <-- 0.000  BPA=ARP

  <--                      0.3794                      -->

   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                        

All dimensions are in meters.