WSRT00NLD 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)  : TU Delft GNSS team (gnss-citg@tudelft.nl)
     Date Prepared            : 2023-12-07
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : wsrt00nld_20230417.log
      Modified/Added Sections : 4.2, 4.3, 6.8, 6.9


1.   Site Identification of the GNSS Monument

     Site Name                : Westerbork Synthesis Radio Telescope
     Nine Character ID        : WSRT00NLD
     Monument Inscription     : --
     IERS DOMES Number        : 13506M005
     CDP Number               : (A4)
     Monument Description     : Steel Mast w/ Invar wire/spring height stabiliz.
       Height of the Monument : 18 m
       Monument Foundation    : Concrete platform embedded on stable sand layer
       Foundation Depth       : (m)
     Marker Description       : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc)
     Date Installed           : 1997-05-23T12:00Z
     Geologic Characteristic  : SAND
       Bedrock Type           : SEDIMENTARY
       Bedrock Condition      : FRESH
       Fracture Spacing       : (0 cm/1-10 cm/11-50 cm/51-200 cm/over 200 cm)
       Fault zones nearby     : NO
         Distance/activity    : (multiple lines)
     Additional Information   : WSRT is operating under responsibility of
                              : the Institute for Earth-Oriented Space research
                              : (DEOS) of the Delft University of Technology.
                              : Netherlands Triangulation Network No. RD 179811
                              : Netherlands Height System No. NAP 0A-2628


2.   Site Location Information

     City or Town             : Westerbork
     State or Province        : Drente
     Country or Region        : NLD
     Tectonic Plate           : EURASIAN
     Approximate Position (ITRF)
       X coordinate (m)       : 3828739.000
       Y coordinate (m)       : 443305.000
       Z coordinate (m)       : 5064887.000
       Latitude (N is +)      : +525452.56
       Longitude (E is +)     : +0063616.20
       Elevation (m,ellips.)  : 86.0
     Additional Information   : (multiple lines)


3.   GNSS Receiver Information

3.1  Receiver Type            : ROGUE SNR-12 RM
     Satellite System         : GPS
     Serial Number            : T209
     Firmware Version         : 3.2.32.1
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 1997-06-01T12:00Z
     Date Removed             : 1999-08-12T10:02Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiples lines)

3.2  Receiver Type            : ROGUE SNR-12 RM
     Satellite System         : GPS
     Serial Number            : T209
     Firmware Version         : 3.2.32.9
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 1999-08-12T10:12Z
     Date Removed             : 2000-01-05T00:00Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiples lines)

3.3  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           : 2000-01-05T14:46Z
     Date Removed             : 2000-08-15T09:30Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiples lines)

3.4  Receiver Type            : AOA SNR-12 ACT
     Satellite System         : GPS
     Serial Number            : 225
     Firmware Version         : 3.3.32.4
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2000-08-15T10:02Z
     Date Removed             : 2001-05-31T08:57Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiples lines)

3.5  Receiver Type            : AOA SNR-12 ACT
     Satellite System         : GPS
     Serial Number            : 224
     Firmware Version         : 3.3.32.4
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2001-05-31T13:30Z
     Date Removed             : 2005-04-05T11:52Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiples lines)

3.6  Receiver Type            : AOA SNR-12 ACT
     Satellite System         : GPS
     Serial Number            : 251
     Firmware Version         : 3.3.32.4
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2005-04-12T11:30Z
     Date Removed             : 2007-03-05T10:20Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiples lines)

3.7  Receiver Type            : AOA SNR-12 ACT
     Satellite System         : GPS
     Serial Number            : 251
     Firmware Version         : 3.3.32.2N
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2007-03-05T14:00Z
     Date Removed             : 2010-07-18T13:02Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiples lines)

3.8  Receiver Type            : AOA SNR-12 ACT
     Satellite System         : GPS
     Serial Number            : 229
     Firmware Version         : 3.3.32.2N
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2010-07-22T11:36Z
     Date Removed             : 2012-04-20T10:45Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiples lines)

3.9  Receiver Type            : AOA SNR-12 ACT
     Satellite System         : GPS
     Serial Number            : 224
     Firmware Version         : 3.3.32.2N
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2012-04-20T11:00Z
     Date Removed             : 2012-04-23T13:00Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiples lines)

3.10 Receiver Type            : AOA SNR-12 ACT
     Satellite System         : GPS
     Serial Number            : 225
     Firmware Version         : 3.3.32.2N
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2012-04-23T13:00Z
     Date Removed             : 2012-05-01T14:20Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiples lines)

3.11 Receiver Type            : AOA SNR-12 ACT
     Satellite System         : GPS
     Serial Number            : 229
     Firmware Version         : 3.3.32.2N
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2012-05-01T14:20Z
     Date Removed             : 2017-11-27T16:42Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiples lines)

3.12 Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO
     Serial Number            : 5302K41643
     Firmware Version         : 5.22
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2017-11-27T17:00Z
     Date Removed             : 2018-12-16T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : As a temporary measure WSRT is the same receiver
                              : as WSRA (data is cloned). Although the receiver
                              : can provide Galileo and Beidou signals, the
                              : antenna does not support the L5 band, and
                              : therefore no Galileo or Beidou, or GPS L5, data
                              : is provided.

3.13 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS
     Serial Number            : 3024778
     Firmware Version         : 5.2.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2018-12-17T00:00Z
     Date Removed             : 2020-02-18T19:15Z
     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.

3.14 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS
     Serial Number            : 3024778
     Firmware Version         : 5.3.2
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2020-02-18T19:15Z
     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.

3.15 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS
     Serial Number            : 3024778
     Firmware Version         : 5.5.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2023-04-17T15:24Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     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.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           : 1997-06-01T12:00Z
     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     : 80 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     : 95 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        : 2000-01-06/2000-01-17
       Notes                  : (multiple lines)

6.6  Standard Type            : EXTERNAL H-MASER
       Input Frequency        : 5 MHz
       Effective Dates        : 2000-01-17/2018-11-19
       Notes                  : SIGMA TAU HYDROGEN MASER,
                              : model MHM - 2010 S/N 0204

6.7  Standard Type            : EXTERNAL RUBIDIUM
       Input Frequency        : 10 MHz
       Effective Dates        : 2018-11-19/2019-02-12
       Notes                  : standford research FS725

6.8  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.

6.9  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   : (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      : DUT
     Secondary Data Center    : BKG
     URL for More Information : http://gnss1.tudelft.nl/dpga
     Hardcopy on File
       Site Map               : (Y or URL)
       Site Diagram           : X
       Horizon Mask           : X
       Monument Description   : X
       Site Pictures          : X
     Additional Information   : (multiple lines)
     Antenna Graphics with Dimensions

TURBOROGUE: DORNE MARGOLIN T

                         -----
                     /     +     \                        <-- 0.128 L2
                    |      +      |                       <-- 0.110 L1
  +--------------------------------------------------+    <-- 0.102 TCR
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
+-+--------------------------------------------------+-+  <-- 0.038
+-------------------+-------------+--------------------+  <-- 0.035 BCR
                    |             |
                   =|             |
                    +------x------+                       <-- 0.000 ARP

<--                      0.381                       -->


   ARP: Antenna Reference Point
   L1 : L1 Phase Center                   L2 : L2 Phase Center
   TCR: Top of Chokering                  BCR: Bottom of Chokering
###########################################