TERS Site Information Form (site log) International GPS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Hans van der Marel Date Prepared : 2002-11-20 Report Type : UPDATE If Update: Previous Site Log : ters_20020610.log Modified/Added Sections : 3.4 1. Site Identification of the GNSS Monument Site Name : Terschelling Four Character ID : TERS Monument Inscription : Top of Mast (mark #02) IERS DOMES Number : 13534M001 CDP Number : Monument Description : STEEL MAST Height of the Monument : 12 m Monument Foundation : CONCRETE BLOCK FOUNDED ON 4 CONCRETE PILLARS Foundation Depth : 15 m Marker Description : ROUND HOLE FOR BRASS THREAD Date Installed : 1996-10-30T14:00Z Geologic Characteristic : SAND Bedrock Type : SEDIMENTARY Bedrock Condition : PLEISTOCENE Fracture Spacing : Fault zones nearby : NO Distance/activity : Additional Information : Point No. in National Triangulation:RD 059306 : Point No. in National Height System:NAP 0A-4038 : The station is operating under responsibility : of the AGRS.NL organisation (MD/KAD/TUD) 2. Site Location Information City or Town : West-Terschelling State or Province : Friesland Country : Netherlands Tectonic Plate : Eurasian Approximate Position (ITRF) X coordinate (m) : 3798580.870 Y coordinate (m) : 346993.832 Z coordinate (m) : 5094780.817 Latitude (N is +) : +532146.08 Longitude (E is +) : +0051309.84 Elevation (m,ellips.) : 00056.1 Additional Information : RIKZ Tide Gauge station (getijmeetstation : Terschelling), Terschelling harbour, North Sea : coast. : (14.69 m above sea level) 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-12 RM Satellite System : GPS Serial Number : 227 Firmware Version : 3.2.32.1 Elevation Cutoff Setting : 4 Date Installed : 1996-10-30T14:00Z Date Removed : 1999-07-13T14:05Z Temperature Stabiliz. : NONE Additional Information : Firmware change. 3.2 Receiver Type : ROGUE SNR-12 RM Satellite System : GPS Serial Number : 227 Firmware Version : 3.2.32.9 Elevation Cutoff Setting : 4 Date Installed : 1999-07-13T14:35Z Date Removed : 2000-04-26T15:00Z Temperature Stabiliz. : NONE Additional Information : 3.3 Receiver Type : TRIMBLE 4700 Satellite System : GPS Serial Number : 96518 Firmware Version : 1.20 Elevation Cutoff Setting : 0 Date Installed : 2000-04-27T10:50Z Date Removed : 2002-11-20T11:00Z Temperature Stabiliz. : NONE Additional Information : 3.4 Receiver Type : TRIMBLE 4700 Satellite System : GPS Serial Number : 96518 Firmware Version : NP 1.30 / S Elevation Cutoff Setting : 0 Date Installed : 2002-11-20T14:54Z 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 : (A5) 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 : 241 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.0000 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 Antenna Radome Type : DUTD Radome Serial Number : Antenna Cable Type : RG214/U TYPE 13 AWG TYPE CL2 (UL) E100316S Antenna Cable Length : 30 Date Installed : 1996-10-30T14:00Z Date Removed : 2000-04-26T15:00Z Additional Information : A conical polyester antenna radome is used on : the AOAD/M_T antenna. This is one of the : earlier radome designs, by Danny van Loon, in : 1991. For some time, it has also been used in : the Swedish network, but there it has been : phased out. 4.2 Antenna Type : TRM29659.00 UNAV Serial Number : 93243 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.0000 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 Antenna Radome Type : UNAV Radome Serial Number : Antenna Cable Type : TRIMBLE 14551-00-REVA DCA 0011 Antenna Cable Length : 30 Date Installed : 2000-04-27T10:50Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : 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 : Effective Dates : 1996-10-30/CCYY-MM-DD Notes : 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 : TIDE GAUGE Status : PERMANENT/MOBILE Effective Dates : 1996-10-30/CCYY-MM-DD Notes : 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 10.1 Date : 2000-04-27T10:50Z Event : Until 2000-06-05T15:40Z : A bug in the data logging software resulted : in double difference ambiguities that are : not integer. Hence, ambibuity fixed solutions : are not correct during this period, although : the ambiguity float solutions are okay. : For more information see EUREFMAIL 0549. 10.x Date : (CCYY-MM-DDThh:mmZ) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : Delft University of Technology (DUT) Preferred Abbreviation : MGP/DUT Mailing Address : Thijssweg 11 : 2629 JA Delft, The Netherlands Primary Contact Contact Name : Hans van der Marel Telephone (primary) : (0031) 15 278 4907 Telephone (secondary) : (0031) 15 262 1844 Fax : (0031) 15 278 3711 E-mail : H.vanderMarel@Geo.TUDelft.nl Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 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 : ftp://agrs3.geo.tudelft.nl Secondary Data Center : ftp://mgp1.geo.tudelft.nl URL for More Information : www.geo.tudelft.nl/mgp/agrs/station/terschelling Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Site Pictures : ./mgp/agrs/station/terschelling/tersch1.gif Additional Information : More pictures available on the web-site Antenna Graphics with Dimensions TRM29659.00 Trimble L1/L2 Dorne Margolin element with chokerings Model 29659.00 +-------+ / + \ <-- 0.1280 L2 | + | <-- 0.1100 L1 +--------------------------------------------------+ <-- 0.1020 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.0380 +-------------------+-------------+--------------------+ <-- 0.0350 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.3810 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering BPA: Bottom of Preamplifier A UNAVCO style spherical radome is placed on top of the Chokering.