THU300GRL Site Information Form (site log)
International GNSS Service
See Instructions at:
https://files.igscb.org/pub/station/general/sitelog_instr.txt
0. Form
Prepared by (full name) : Mr. Ole Bjerregaard Hansen
Date Prepared : 2021-12-15
Report Type : UPDATE
If Update:
Previous Site Log : thu300grl_20191029.log
Modified/Added Sections : 11
1. Site Identification of the GNSS Monument
Site Name : THULE
Four Character ID : THU3
Monument Inscription :
IERS DOMES Number : 43001M002
CDP Number : (A4)
Monument Description : Bolt in 1.5 meter concrete pillar
Height of the Monument : (m)
Monument Foundation : Steel rods
Foundation Depth : (m)
Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc)
Date Installed : 2001-09-01
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 : MONUMENT+ANTENNA SHARED WITH IGLOS STATION THU2
: 2002-08-20 Format issues, antenna eccentricity,
: elevation cutoff setting and datacenter
: information has been corrected/added.
2. Site Location Information
City or Town : Thule Airbase
State or Province : Greenland
Country : Greenland
Tectonic Plate : NORTH AMERICAN
Approximate Position (ITRF)
X coordinate (m) : 538093.700
Y coordinate (m) : -1389088.000
Z coordinate (m) : 6180979.300
Latitude (N is +) : +763213.37
Longitude (E is +) : -0684930.11
Elevation (m,ellips.) : 36.2
Additional Information : 00018.9
3. GNSS Receiver Information
3.1 Receiver Type : ASHTECH UZ-12
Satellite System : GPS
Serial Number : ZR20011104
Firmware Version : CJ00
Elevation Cutoff Setting : 5 deg
Date Installed : 2001-09-01T00:00Z
Date Removed : 2003-11-13
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.2 Receiver Type : ASHTECH UZ-12
Satellite System : GPS
Serial Number : 11104
Firmware Version : CJ00
Elevation Cutoff Setting : 5 deg
Date Installed : 2003-11-13
Date Removed : 2006-08-29T00:00Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.3 Receiver Type : ASHTECH UZ-12
Satellite System : GPS
Serial Number : 11104
Firmware Version : CJ00
Elevation Cutoff Setting : 0 deg
Date Installed : 2006-08-29T00:00Z
Date Removed : 2008-02-15T14:06Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.4 Receiver Type : ASHTECH Z-XII3
Satellite System : GPS
Serial Number : 02259
Firmware Version : 1L00
Elevation Cutoff Setting : 0 deg
Date Installed : 2008-02-15T14:07Z
Date Removed : 2009-04-30T19:11Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.5 Receiver Type : ASHTECH UZ-12
Satellite System : GPS
Serial Number : 11104
Firmware Version : CK00
Elevation Cutoff Setting : 0 deg
Date Installed : 2009-04-30T19:11Z
Date Removed : 2019-05-23T23:59Z
Temperature Stabiliz. : none
Additional Information : THU2 continues on the same MARKER
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 : ASH701073.1 SCIS
Serial Number : CRG0111
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.1002
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 : 70 m
Date Installed : 2000-11-17
Date Removed : 2003-11-13
Additional Information : (multiple lines)
4.2 Antenna Type : ASH701073.1 SCIS
Serial Number : G0111
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.1002
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 : 70 m
Date Installed : 2003-11-13
Date Removed : 2019-05-23
Additional Information : Serial Number changed in order to conform with
: SINEX
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 : THU1
Tied Marker Usage : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc)
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : 43001M001
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : 887.691 m
dy (m) : 373.240 m
dz (m) : 25.840 m
Accuracy (mm) :
Survey method : GPS CAMPAIGN
Date Measured : (CCYY-MM-DDThh:mmZ)
Additional Information : ONE YEAR OF DAILY FILES
5.2 Tied Marker Name : THU2
Tied Marker Usage : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc)
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : 43001M002
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : 0.000 m
dy (m) : 0.000 m
dz (m) : 0.000 m
Accuracy (mm) :
Survey method : UNKNOWN
Date Measured : (CCYY-MM-DDThh:mmZ)
Additional Information : (multiple lines)
5.3 Tied Marker Name : THU1
Tied Marker Usage : IGS global station
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : 43001M001
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : 887.699 m
dy (m) : 373.219 m
dz (m) : 25.937 m
Accuracy (mm) : 0.5 mm
Survey method : GPS CAMPAIGN
Date Measured : (CCYY-MM-DDThh:mmZ)
Additional Information : Differential components in section 5.1 have
: been found erroneous. Two years of daily files
: have been processed.
5.4 Tied Marker Name : THUB
Tied Marker Usage : DORIS station
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : 43001S005
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : 16.946 m
dy (m) : 56.670 m
dz (m) : 15.283 m
Accuracy (mm) : 1 mm
Survey method : GPS
Date Measured : 2002-09-28
Additional Information : 20 hours of GPS observations
5.5 Tied Marker Name : THUB
Tied Marker Usage : DORIS station
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : 43001S005
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : 16.954 m
dy (m) : 56.685 m
dz (m) : 15.270 m
Accuracy (mm) : 1 mm
Survey method : GPS, directions and distances, levelling
Date Measured : 2008-08-01
Additional Information : First re-measurement since monument was
: damaged and rebuilt 2002-10-14
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 : 2001-09-01/2002-09-24
Notes : (multiple lines)
6.2 Standard Type : EXTERNAL RUBIDIUM
Input Frequency : 5 MHz
Effective Dates : 2002-09-25/CCYY-MM-DD
Notes : DATUM FRK-LLN P/N: 80104736 S/N: 19087
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 : 5.1 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 2001-09-01/2005-09-15
Notes : Serial U5020003
8.1.2 Humidity Sensor Model : HMP45DSP
Manufacturer : VAISALA
Serial Number :
Data Sampling Interval : 300 sec
Accuracy (% rel h) : 2 % rel h
Aspiration : (UNASPIRATED/NATURAL/FAN/etc)
Height Diff to Ant : 5.1 m
Calibration date : 2005-08-15
Effective Dates : 2005-09-15/CCYY-MM-DD
Notes : Serial A3310004
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 : (sec)
Accuracy : 0.15 hPa
Height Diff to Ant : 5.1 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 2001-09-01/CCYY-MM-DD
Notes : Serial U5120003
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 : 5.1 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 2001-09-01/2005-09-15
Notes : Serial U5120003
8.3.2 Temp. Sensor Model : HMP45DSP
Manufacturer : VAISALA
Serial Number :
Data Sampling Interval : 300 sec
Accuracy : 0.2 deg C
Aspiration : (UNASPIRATED/NATURAL/FAN/etc)
Height Diff to Ant : 5.1 m
Calibration date : 2005-08-15
Effective Dates : 2005-09-15/CCYY-MM-DD
Notes : Serial A3310004
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 : Mr. Finn Bo Madsen
Telephone (primary) : +45 45 25 97 84
Telephone (secondary) : +45 40 15 22 76
Fax : +45 45 25 95 75
E-mail : bm@space.dtu.dk
Secondary Contact
Contact Name : Mr. Ole Bjerregaard Hansen
Telephone (primary) : +45 45 25 97 38
Telephone (secondary) : +45 45 25 97 38
Fax : +45 45 25 95 75
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 : CDDIS
Secondary Data Center : BKG
URL for More Information : geodesy.spacecenter.dk/~geod/REFSTA/ref.html
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
ASH701073.1
ASH701073.3
+-------+
/ + \ <-- 0.1280 L2
| + | <-- 0.1100 L1
+-----------------+-------------+------------------+ <-- 0.1020 TCR
| |
| |
| |
| |
+-+--------------------------------------------------+-+ <-- 0.0380
+-------------------+-------------+--------------------+ <-- 0.0350 BCR
| |
| |
+------x------+ <-- 0.0 BPA=ARP
