WSRA00NLD 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) : TU Delft GNSS team (gnss-citg@tudelft.nl) Date Prepared : 2024-08-16 Report Type : UPDATE If Update: Previous Site Log : wsra00nld_20231207.log Modified/Added Sections : 1 1. Site Identification of the GNSS Monument Site Name : Westerbork Four Character ID : WSRA Monument Inscription : GPS Mast IERS DOMES Number : 13506M005 CDP Number : (A4) Monument Description : STEEL MAST WITH INVAR WIRE STABILIZATION Height of the Monument : 24 m Monument Foundation : CONCRETE BLOCK Foundation Depth : (m) Marker Description : CENTER OF BALL ON INVAR WIRE Date Installed : 1997-05-16T12:00Z Geologic Characteristic : CLAY/SAND GROUND MORAINE Bedrock Type : SEDIMENTARY Bedrock Condition : FRESH Fracture Spacing : 0 cm Fault zones nearby : NO Distance/activity : (multiple lines) Additional Information : (multiple lines) 2. Site Location Information City or Town : Westerbork State or Province : N/A Country : Netherlands (the) Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 3828736.147 Y coordinate (m) : 443304.741 Z coordinate (m) : 5064884.500 Latitude (N is +) : +525452.59 Longitude (E is +) : +0063616.21 Elevation (m,ellips.) : 82.3 Additional Information : (multiple lines) 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-12 RM Satellite System : GPS Serial Number : 223 Firmware Version : 3.2.32.1 Elevation Cutoff Setting : 0 deg Date Installed : 1997-05-16T12:55Z Date Removed : 1999-08-11T07:35Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.2 Receiver Type : ROGUE SNR-12 RM Satellite System : GPS Serial Number : 223 Firmware Version : 3.2.32.9 Elevation Cutoff Setting : 0 deg Date Installed : 1999-08-11T08:30Z Date Removed : 1999-09-01T00:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.3 Receiver Type : ROGUE SNR-12 RM Satellite System : GPS Serial Number : 209 Firmware Version : 3.2.32.9 Elevation Cutoff Setting : 0 deg Date Installed : 1999-09-01T05:50Z Date Removed : 2000-01-05T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.4 Receiver Type : AOA SNR-12 ACT Satellite System : GPS Serial Number : 225 Firmware Version : 3.3.32.3 Elevation Cutoff Setting : 0 deg Date Installed : 2000-01-06T00:00Z Date Removed : 2000-04-27T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.5 Receiver Type : TRIMBLE 4700 Satellite System : GPS Serial Number : 96521 Firmware Version : 1.20 Elevation Cutoff Setting : 0 deg Date Installed : 2000-04-28T00:00Z Date Removed : 2002-11-19T09:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.6 Receiver Type : TRIMBLE 4700 Satellite System : GPS Serial Number : 96521 Firmware Version : N1.30/S0.00 Elevation Cutoff Setting : 0 deg Date Installed : 2002-11-19T11:27Z Date Removed : 2015-02-10T14:47Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.7 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 5302K41643 Firmware Version : 4.81 Elevation Cutoff Setting : 0 deg Date Installed : 2015-02-10T15:00Z Date Removed : 2015-06-18T08:18Z Temperature Stabiliz. : none Additional Information : The receiver is capable of tracking L5 (lower : part of L-band), but the antenna LNA is not : optimized for L5 and therefore we do not : recommend using the L5 band signals for serious : work. 3.8 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 5302K41643 Firmware Version : 5.01 Elevation Cutoff Setting : 0 deg Date Installed : 2015-06-18T08:18Z Date Removed : 2016-12-21T19:28Z Temperature Stabiliz. : none Additional Information : The receiver is capable of tracking L5 (lower : part of L-band), but the antenna LNA is not : optimized for L5 and therefore we do not : recommend using the L5 band signals for serious : work. 3.9 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 5302K41643 Firmware Version : 5.15 Elevation Cutoff Setting : 0 deg Date Installed : 2016-12-21T19:28Z Date Removed : 2017-04-22T07:59Z Temperature Stabiliz. : none Additional Information : The receiver is capable of tracking L5 (lower : part of L-band), but the antenna LNA is not : optimized for L5 and therefore we do not : recommend using the L5 band signals for serious : work. 3.10 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 5302K41643 Firmware Version : 5.22 Elevation Cutoff Setting : 0 deg Date Installed : 2017-04-22T18:00Z Date Removed : 2018-12-17T13:12Z Temperature Stabiliz. : none Additional Information : The receiver is capable of tracking L5 (lower : part of L-band), but the antenna LNA is not : optimized for L5 and therefore we do not : recommend using the L5 band signals for serious : work. 3.11 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 5302K41643 Firmware Version : 5.37 Elevation Cutoff Setting : 0 deg Date Installed : 2018-12-17T13:20Z Date Removed : 2020-05-16T17:15Z Temperature Stabiliz. : none Additional Information : The receiver is capable of tracking L5 (lower : part of L-band), but the antenna LNA is not : optimized for L5 and therefore we do not : recommend using the L5 band signals for serious : work. 3.12 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 5302K41643 Firmware Version : 5.45 Elevation Cutoff Setting : 0 deg Date Installed : 2020-05-16T17:15Z Date Removed : 2023-04-17T15:24Z Temperature Stabiliz. : none Additional Information : The receiver is capable of tracking L5 (lower : part of L-band), but the antenna LNA is not : optimized for L5 and therefore we do not : recommend using the L5 band signals for serious : work. 3.13 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 5302K41643 Firmware Version : 5.60 Elevation Cutoff Setting : 0 deg Date Installed : 2023-04-17T15:24Z Date Removed : 2023-12-07T09:45Z Temperature Stabiliz. : none Additional Information : The receiver is capable of tracking L5 (lower : part of L-band), but the antenna LNA is not : optimized for L5 and therefore we do not : recommend using the L5 band signals for serious : work. 3.14 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 6235R40318 Firmware Version : 6.21 Elevation Cutoff Setting : 0 deg Date Installed : 2023-12-07T14:00Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : none Additional Information : (multiple lines) 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 : AOAD/M_T DUTD Serial Number : 273 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.3795 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : DUTD Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : 80 m Date Installed : 1997-05-16T12:00Z Date Removed : 1998-03-17T09:14Z Additional Information : DUTD = polyester cone 4.2 Antenna Type : AOAD/M_T DUTD Serial Number : 273 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.3888 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : DUTD Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : 90 m Date Installed : 1998-03-17T15:09Z Date Removed : 2023-12-07T09:45Z Additional Information : DUTD = polyester cone 4.3 Antenna Type : LEIAR25.R4 LEIT Serial Number : 726840 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.3754 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 : 765734 Antenna Cable Type : (vendor & type number) Antenna Cable Length : 90 m Date Installed : 2023-12-07T14:00Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : The antenna change involved replacing a metal : adapter with a newly fabricated one. The new : adapter did not introduce noticeable changes in : the horizontal position: any differences, if : they exist, should be below the millimeter. In : the vertical, the ARP of the new antenna is 13.4 : mm below the old ARP, as a consequence the : antenna height is changed. 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 H-MASER Input Frequency : 5 MHz Effective Dates : 1997-06-01/1998-02-28 Notes : Oscilloquartz Neuchatel Type LSRH H3 6.2 Standard Type : EXTERNAL QUARTZ Input Frequency : 5 MHz Effective Dates : 1998-02-28/1998-03-26 Notes : Oscilloquartz Neuchatel Type LSRH H3 6.3 Standard Type : EXTERNAL RUBIDIUM Input Frequency : 5 MHz Effective Dates : 1998-03-26/1999-05-18 Notes : HP Rubidium standard,type 5065A,S/N 1736 A 0811 6.4 Standard Type : EXTERNAL H-MASER Input Frequency : 5 MHz Effective Dates : 1999-05-18/2000-01-06 Notes : SIGMA TAU HYDROGEN MASER, : model MHM - 2010 S/N 0204 6.5 Standard Type : INTERNAL Input Frequency : (if external) Effective Dates : 2000-01-06/2015-02-10 Notes : (multiple lines) 6.6 Standard Type : INTERNAL Input Frequency : (if external) Effective Dates : 2015-02-10/2015-07-13 Notes : (multiple lines) 6.7 Standard Type : EXTERNAL H-MASER Input Frequency : 10 MHz Effective Dates : 2015-07-13/2018-11-19 Notes : (multiple lines) 6.8 Standard Type : EXTERNAL RUBIDIUM Input Frequency : 10 MHz Effective Dates : 2018-11-19/2019-02-12 Notes : (multiple lines) 6.9 Standard Type : INTERNAL Input Frequency : (if external) Effective Dates : 2019-02-13/2023-12-07 Notes : On 2019-02-12 the 10 MHz external frequency from : Rubibium was switched back to the the Sigma TAU : MHM2010 MASER, but this resulted in immediate : problems with the tracking due to unknown : causes. The next day, the external frequency, : was disconnected from the receiver, and the : receiver is running on the internal oscillator. : Data from 2019-02-12 12:03 until 2019-02-129:03 : is not usable. 6.10 Standard Type : EXTERNAL H-MASER Input Frequency : 10 MHz Effective Dates : 2023-12-07/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 7.1 Instrumentation Type : ABSOLUTE GRAVIMETERS Status : MOBILE Effective Dates : 1997-01-01/CCYY-MM-DD Notes : (multiple lines) 7.2 Instrumentation Type : RELATIVE GRAVIMETERS Status : MOBILE Effective Dates : 1997-01-01/CCYY-MM-DD Notes : (multiple lines) 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 : Delft University of Technology : Department of Geoscience and Remote Sensing : (GRS) Preferred Abbreviation : DUT Mailing Address : Stevinweg 1 : 2628 CN Delft : Netherlands (the) Primary Contact Contact Name : TU Delft GNSS team Telephone (primary) : +31 15 2784907 Telephone (secondary) : Fax : E-mail : gnss-citg@tudelft.nl Secondary Contact Contact Name : GI-RD Telephone (primary) : +31 6 52481939 Telephone (secondary) : Fax : E-mail : rd@kadaster.nl Additional Information : http://gnss1.tudelft.nl/dpga. 12. Responsible Agency (if different from 11.) Agency : Kadaster : Geodetische Infrastructuur - : Rijksdriehoeksmeting Preferred Abbreviation : KAD Mailing Address : Hofstraat 110 : 7311KZ Apeldoorn : Netherlands (the) Primary Contact Contact Name : GI-RD Telephone (primary) : +31 6 52481939 Telephone (secondary) : Fax : E-mail : rd@kadaster.nl Secondary Contact Contact Name : TU Delft GNSS team Telephone (primary) : Telephone (secondary) : Fax : E-mail : gnss-citg@tudelft.nl Additional Information : AGRS.NL is a collaborative effort by Kadaster, : Rijkswaterstaat and Delft University of : Technology (TUD). Kadaster is the primary : contact for all national activities. TUD is the : primary contact for all IGS and EPN related : matters. 13. More Information Primary Data Center : DUT Secondary Data Center : KAD URL for More Information : http://gnss1.tudelft.nl/dpga Hardcopy on File Site Map : (Y or URL) Site Diagram : (Y or URL) Horizon Mask : (Y or URL) Monument Description : (Y or URL) Site Pictures : (Y or URL) Additional Information : (multiple lines) Antenna Graphics with Dimensions AOAD/M_T ----- / \ | | +-------------------------------------------------+ <-- 0.1020 TCR | | | | | | | | +-+-------------------------------------------------+-+ <-- 0.0380 +-------------------+-------------+-------------------+ <-- 0.0350 BCR | | =| | +------x------+ <-- 0.0000 BPA=ARP RXC=NRP <-- 0.3810 -->