GMMA00GRL 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)  : SDFI GNSS Team (gnss@sdfi.dk)
     Date Prepared            : 2023-08-08
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : gmma00grl_20230703.log
      Modified/Added Sections : 3.8, 3.9, 4.1, 13


1.   Site Identification of the GNSS Monument

     Site Name                : Gamma ?
     Nine Character ID        : GMMA00GRL
     Monument Inscription     : 
     IERS DOMES Number        : 43038M001
     CDP Number               : (A4)
     Monument Description     : BEDROCK-BOLTED MAST
       Height of the Monument : (m)
       Monument Foundation    : (STEEL RODS, CONCRETE BLOCK, ROOF, etc)
       Foundation Depth       : (m)
     Marker Description       : PLATE
     Date Installed           : 2009-08-19
     Geologic Characteristic  : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc)
       Bedrock Type           : (IGNEOUS/METAMORPHIC/SEDIMENTARY)
       Bedrock Condition      : (FRESH/JOINTED/WEATHERED)
       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   : Tech2000 design 1m mast with 4 rock bolts. ARP
                              : is top of cap plate.


2.   Site Location Information

     City or Town             : N/A
     State or Province        : N/A
     Country or Region        : GRL
     Tectonic Plate           : NORTH AMERICAN
     Approximate Position (ITRF)
       X coordinate (m)       : 1272561.940
       Y coordinate (m)       : -454443.733
       Z coordinate (m)       : 6212988.396
       Latitude (N is +)      : +774833.94
       Longitude (E is +)     : -0193907.63
       Elevation (m,ellips.)  : 521.9
     Additional Information   : (multiple lines)


3.   GNSS Receiver Information

3.1  Receiver Type            : TRIMBLE NETRS
     Satellite System         : GPS
     Serial Number            : 4752143412
     Firmware Version         : 1.1-5
     Elevation Cutoff Setting : 7 deg
     Date Installed           : 2009-08-19T00:00Z
     Date Removed             : 2011-08-20T12:00Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.2  Receiver Type            : TRIMBLE NETRS
     Satellite System         : GPS
     Serial Number            : 4752143412
     Firmware Version         : 1.3-1
     Elevation Cutoff Setting : 7 deg
     Date Installed           : 2011-08-20T14:00Z
     Date Removed             : 2013-08-10T06:00Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.3  Receiver Type            : TRIMBLE NETRS
     Satellite System         : GPS
     Serial Number            : 4808145632
     Firmware Version         : 1.3-1
     Elevation Cutoff Setting : 7 deg
     Date Installed           : 2013-08-10T06:00Z
     Date Removed             : 2014-08-21T08:00Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.4  Receiver Type            : TRIMBLE NETRS
     Satellite System         : GPS
     Serial Number            : 4808145632
     Firmware Version         : 1.3-2
     Elevation Cutoff Setting : 7 deg
     Date Installed           : 2014-08-21T08:00Z
     Date Removed             : 2019-08-18T14:01Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.5  Receiver Type            : ALERTGEO RESOLUTE
     Satellite System         : GPS+GAL
     Serial Number            : 0266
     Firmware Version         : 5488
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2019-08-18T14:01Z
     Date Removed             : 2020-01-15T20:01Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.6  Receiver Type            : ALERTGEO RESOLUTE
     Satellite System         : GPS+GAL
     Serial Number            : 0266
     Firmware Version         : 6099
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2020-01-15T20:01Z
     Date Removed             : 2021-08-12T12:27Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.7  Receiver Type            : ALERTGEO RESOLUTE
     Satellite System         : GPS+GAL
     Serial Number            : 0266
     Firmware Version         : 7047
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2021-08-12T12:27Z
     Date Removed             : 2023-07-03T07:55Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.8  Receiver Type            : ALERTGEO RESOLUTE
     Satellite System         : GPS+GAL
     Serial Number            : 0266
     Firmware Version         : 7047
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2023-07-03T07:55Z
     Date Removed             : 2023-08-08T11:53Z
     Temperature Stabiliz.    : none
     Additional Information   : 0 elevation mask

3.9  Receiver Type            : ALERTGEO RESOLUTE
     Satellite System         : GPS+GAL
     Serial Number            : 0266
     Firmware Version         : 8882
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2023-08-08T11:53Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Temperature Stabiliz.    : none
     Additional Information   : Raw format now SBF Meas3

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             : TRM59800.00     SCIS
     Serial Number            : 58403
     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     : 0331
     Antenna Cable Type       : LMR400
     Antenna Cable Length     : 50 m
     Date Installed           : 2009-08-19T00:00Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Additional Information   : SN: 4838A58403

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        : 2009-08-19/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                   : 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    : 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

TRM29659.00
TRM59800.00
TRM59800.80
TRM59900.00

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  +-------------------------------------------------+     <--  0.1020  TCR
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+-+-------------------------------------------------+-+   <--  0.0381
+-------------------+-------------+-------------------+   <--  0.0350  BCR
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                    +------x------+                       <--  0.0000  BPA=ARP

<--                      0.3810                     -->