DLF4 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 : 2004-09-14 Report Type : UPDATE If Update: Previous Site Log : dlf4_20011130.log Modified/Added Sections : 1 4.4 4.5 11 13 1. Site Identification of the GNSS Monument Site Name : Delft Four Character ID : DLF4 Monument Inscription : Delft-21 IERS DOMES Number : 13502M007 CDP Number : Monument Description : PVC PLATE/CONCRETE BALUSTRADE Height of the Monument : 0.07 m Monument Foundation : ROOF/CONCRETE BUILDING (30 m) Foundation Depth : 15 m Marker Description : BRASS THREAD/FIXED CENTERING Date Installed : 1994-12-30 Geologic Characteristic : SAND Bedrock Type : SEDIMENTARY Bedrock Condition : PLEISTOCENE Fracture Spacing : Fault zones nearby : NO Distance/activity : Additional Information : The station is operating in the framework of : the EGNOS System Test Bed (ESTB) data : collection project organised by Eurocontrol 2. Site Location Information City or Town : Delft State or Province : Zuid-Holland Country : Netherlands Tectonic Plate : Eurasian Approximate Position (ITRF) X coordinate (m) : 3924699.448 Y coordinate (m) : 301125.899 Z coordinate (m) : 5001901.884 Latitude (N is +) : +515909.55 Longitude (E is +) : +0042314.88 Elevation (m,ellips.) : 74.2 Additional Information : Geodesy building Thijsseweg 11, 5 km South of the center of town. Motorway A13, exit Delft Zuid / Technische Universiteit Delft 3. GNSS Receiver Information 3.1 Receiver Type : NOV MILLEN-OEM3 Satellite System : GPS/SBAS Serial Number : 00410049 Firmware Version : 4.52 Elevation Cutoff Setting : 5.0 Date Installed : 2001-11-15 Date Removed : Temperature Stabiliz. : 3.0 Additional Information : NovAtel MiLLennium WAAS receiver : ProPak II STDW (OEM3) H/W Rev: 3.03 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 : NOV600 Serial Number : 01340016 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0990 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0.0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : RG214/U TNC/TNC Antenna Cable Length : 30 m Date Installed : 2001-11-15 Date Removed : 2001-11-27 Additional Information : NovAtel PinWheel Antenna GPS-600 L1/L2 : Antenna performance on L2 has been decreasing : since the 20th of November 2001, and has been : replaced on the 27th. 4.2 Antenna Type : LEIAT504 Serial Number : 824 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0990 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0.0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : RG214/U TNC/TNC Antenna Cable Length : 30 m Date Installed : 2001-11-28 Date Removed : 2001-12-03T15:10Z Additional Information : Temporary antenna to replace faulty NOV600 : antenna, Leica Chokering antenna, matching : exactly impedance, LNA and input DC of : NovAtel antenna. 4.3 Antenna Type : NOV600 Serial Number : 01450040 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1010 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0.0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : RG214/U TNC/TNC Antenna Cable Length : 30 m Date Installed : 2001-12-03T15:10Z Date Removed : 2003-11-04Thh:mmZ Additional Information : NovAtel PinWheel Antenna GPS-600 L1/L2. During the month October 2003 the antenna was changed several times for multipath experiments 4.4 Antenna Type : LEIAT502 Serial Number : 10798 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1010 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0.0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : RG214/U TNC/TNC Antenna Cable Length : 30 m Date Installed : 2003-11-04Thh:mmZ Date Removed : 2004-09-14T12:00Z Additional Information : 4.5 Antenna Type : LEIAT504 Serial Number : 261 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0300 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0.0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Suhner sucofeed 3/8" HF-FR 03 06 TNC/TNC Antenna Cable Length : 30 m Date Installed : 2004-09-14T12:00Z Date Removed : Additional Information : Installation of chokering antenna with antenna splitter WR, Inc. HILDCBS1X2, connected to J2 DC BLOCK 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 : BIG ASTRON. PILLAR Tied Marker Usage : FOOTPRINT Tied Marker CDP Number : Tied Marker DOMES Number : 13502M001 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -10.190 dy (m) : 8.038 dz (m) : 7.489 Accuracy (mm) : 1 Survey method : TRILAT./TRIANG./LEVELLING/GPS CAMPAIGN Date Measured : 1994-04-19 Additional Information : The ties are checked twice per year using a : local survey, unless there are significant : changes the results are not reported here 5.2 Tied Marker Name : GPS (mark #15) Tied Marker Usage : FOOTPRINT Tied Marker CDP Number : Tied Marker DOMES Number : 13502M003 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -11.201 dy (m) : 5.332 dz (m) : 8.549 Accuracy (mm) : 1 Survey method : TRILAT./TRIANG./LEVELLING/GPS CAMPAIGN Date Measured : 1994-04-19 Additional Information : The ties are checked twice per year using a : local survey, unless there are significant : changes the results are not reported here 5.3 Tied Marker Name : GPS (mark #16) Tied Marker Usage : FOOTPRINT Tied Marker CDP Number : Tied Marker DOMES Number : 13502M004 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -12.008 dy (m) : 7.080 dz (m) : 9.073 Accuracy (mm) : 1 Survey method : TRILAT./TRIANG./LEVELLING/GPS CAMPAIGN Date Measured : 1994-04-19 Additional Information : The ties are checked twice per year using a : local survey, unless there are significant : changes the results are not reported here 5.4 Tied Marker Name : EUREF/GPS (mark #18) Tied Marker Usage : FOOTPRINT Tied Marker CDP Number : Tied Marker DOMES Number : 13502M002 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -10.412 dy (m) : 19.643 dz (m) : 6.952 Accuracy (mm) : 1 Survey method : TRILAT./TRIANG./LEVELLING/GPS CAMPAIGN Date Measured : 1994-04-19 Additional Information : The ties are checked twice per year using a : local survey, unless there are significant : changes the results are not reported here : This marker corresponds to EUREF point 0043. 5.5 Tied Marker Name : GPS (mark #19) Tied Marker Usage : FOOTPRINT Tied Marker CDP Number : Tied Marker DOMES Number : 13502M005 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -8.664 dy (m) : 17.571 dz (m) : 5.715 Accuracy (mm) : 1 Survey method : TRILAT./TRIANG./LEVELLING/GPS CAMPAIGN Date Measured : 1994-04-19 Additional Information : The ties are checked twice per year using a : local survey, unless there are significant : changes the results are not reported here 5.6 Tied Marker Name : GPS (mark #20) Tied Marker Usage : FOOTPRINT Tied Marker CDP Number : Tied Marker DOMES Number : 13502M006 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -2.517 dy (m) : 6.144 dz (m) : 1.593 Accuracy (mm) : 1 Survey method : TRILAT./TRIANG./LEVELLING/GPS CAMPAIGN Date Measured : 1994-04-19 Additional Information : The ties are checked twice per year using a : local survey, unless there are significant : changes the results are not reported here 5.7 Tied Marker Name : GPS (mark #22) Tied Marker Usage : FOOTPRINT Tied Marker CDP Number : Tied Marker DOMES Number : 13502M009 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -1.6185 dy (m) : -0.8827 dz (m) : 3.3228 Accuracy (mm) : 1 Survey method : TRILAT./TRIANG./LEVELLING/GPS CAMPAIGN Date Measured : 1994-04-19 Additional Information : The ties are checked twice per year using a : local survey, unless there are significant : changes the results are not reported here 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 : 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 : GPS Status : PERMANENT Effective Dates : 1994-12-30/CCYY-MM-DD Notes : Permanent GPS stations for the Active GPS : Reference System (AGRS) in the Netherlands : and the EUREF Permanent Network (EPN). 7.2 Instrumentation Type : GPS+GLONASS Status : PERMANENT Effective Dates : 1998-08-17/CYY-MM-DD Notes : Premanent stations for IGEX/IGLOS. Receivers: : 1. 17-AUG-1998 - 17-FEB-1999 ASHTECH GG24C : 2. 17-FEB-1999 - JPS LEGACY GGD 7.3 Instrumentation Type : GPS Status : PERMANENT Effective Dates : 2004-09-14/CCYY-MM-DD Notes : Septentrio POLARX2 operated on the same antenna through an antenna splitter. 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 : HUMICAP H-Sensor Manufacturer : Vaisala Oy, Finland Serial Number : P0120011 Data Sampling Interval : 60 sec Accuracy (% rel h) : 1% (0..90 % RH) 2% (90..100 % RH) Aspiration : NATURAL Height Diff to Ant : 1.60 m Calibration date : 1993-09-12 Effective Dates : 1994-04-19/CCYY-MM-DD Notes : Electronics: Vaisala Humidity and Temperature : Transmitter HMP233 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 : Vaisala Pressure Transmitter PTB 200A Manufacturer : Vaisala Oy, Finland Serial Number : 692620 Data Sampling Interval : 60 sec Accuracy : 0.12 hPa Height Diff to Ant : -2.65 m Calibration date : 1993-09-12 Effective Dates : 1994-04-14/CCYY-MM-DD Notes : Electronics: Vaisala Pressure Transmitter : PTB 200A; pressure sensor below GPS antenna 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 : Pt 100 RTD 1/3 DIN 43760B Manufacturer : Vaisala Oy, Finland Serial Number : P0120011 Data Sampling Interval : 60 sec Accuracy : 0.1 deg C Aspiration : NATURAL Height Diff to Ant : 1.60 m Calibration date : 1993-09-12 Effective Dates : 1994-04-14/CCYY-MM-DD Notes : Electronics: Vaisala Humidity and Temperature : Transmitter HMP233 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 9.1.1 Radio Interferences : CELL PHONE ANTENNA Observed Degradations : NONE Effective Dates : 1997-03-25/CCYY-MM-DD Additional Information : Located on South tower, 100 meters from GNSS : antennae, transmitting in a 240 degrees sector. : The GNSS antennae are located in a 120 degrees : sector not covered by the GSM system. Test at : 5 meters from the GSM antenna have shown no : degradation of the GPS, so it is very unlikely : that the GPS is affected. 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) 9.2.1 Multipath Sources : ROOF Effective Dates : 1994-12-30/CCYY-MM-DD Additional Information : Flat roof with concrete balustrade at right : angles with the roof, and several 90 degrees : corners. Medium multipath effects have been : observed. 9.2.x Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.3.1 Signal Obstructions : NONE Effective Dates : Additional Information : 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 : 1997-03-25T06:49Z Event : CELL PHONE TRANSMISSION STARTED (SEE 9.1.1) 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 : DUT/DEOS Mailing Address : Kluyverweg 1 : 2629 HS Delft, The Netherlands Primary Contact Contact Name : Rien Kremers Telephone (primary) : (0031) 15 278 2547 Telephone (secondary) : (0031) 15 278 3546 Fax : (0031) 15 278 3711 E-mail : M.J.M.Kremers@TUDelft.nl Secondary 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@TUDelft.nl 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://130.161.150.204/ Secondary Data Center : URL for More Information : http://gnss1.lr.tudelft.nl/dpga delft/ Hardcopy on File Site Map : ./station/Delft.html Site Diagram : ./station/Delft.html Horizon Mask : Y Monument Description : Y Site Pictures : ./station/Delft.html Additional Information : No obstacles above 0 degrees of elevation, : except for a small 1.5 mast 5 meters North of : the antenna Antenna Graphics with Dimensions Revision history: 30 November 2001 - Hans van der Marel * Initial version 12 October 2004 - Hans van der Marel * Update to changes in site log format * Contact information has changed * Antenna and receiver information update