DLFT Site Information Form (site log) International GPS Service 0. Form Prepared by (full name) : Hans van der Marel Date Prepared : 2004-07-22 Report Type : UPDATE If Update: Previous Site Log : dlft_20020320.log Modified/Added Sections : 1 3.9 4.4 6.2 11 1. Site Identification of the GNSS Monument Site Name : Delft Four Character ID : DLFT Monument Inscription : Delft-20 IERS DOMES Number : 13502M006 CDP Number : Monument Description : PVC PLATE/CONCRETE BALUSTRATE Height of the Monument : 0.07 m Monument Foundation : ROOF/CONCRETE TOWER (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 : Marker on top of concrete 30 meter high : building, founded on pleistocene sandlayers : using concrete pillars 2. Site Location Information City or Town : Delft State or Province : Zuid-Holland Country : Netherlands Tectonic Plate : Eurasian Approximate Position (ITRF) X coordinate (m) : 3924697.233 Y coordinate (m) : 301131.832 Z coordinate (m) : 5001903.318 Latitude (N is +) : +515909.63 Longitude (E is +) : +0042315.22 Elevation (m,ellips.) : 74.3 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 : ASHTECH GG24C Satellite System : GPS+GLONASS Serial Number : 00120 Firmware Version : GG00 Elevation Cutoff Setting : 5.0 Date Installed : 1998-08-17 Date Removed : 1998-10-15 Temperature Stabiliz. : 3.0 degrees C Additional Information : ASHTECH GG24C receiver with serial number : S/N GG00120 3.2 Receiver Type : ASHTECH GG24C Satellite System : GPS+GLONASS Serial Number : 00163 Firmware Version : GG00 Elevation Cutoff Setting : 5.0 Date Installed : 1998-10-15 Date Removed : 1999-02-17 Temperature Stabiliz. : 3.0 degrees C Additional Information : ASHTECH GG24C receiver with S/N GG00163 3.3 Receiver Type : JPS LEGACY Satellite System : GPS+GLONASS Serial Number : 00143 Firmware Version : 1.4 (Jan,22,1999) Elevation Cutoff Setting : 5.0 Date Installed : 1999-02-17 Date Removed : 1999-03-29 Temperature Stabiliz. : 3.0 degrees C Additional Information : JPS LEGACY receiver with serial number : L 00143 (MT311432153) replaced Ashtech 3.4 Receiver Type : JPS LEGACY Satellite System : GPS+GLONASS Serial Number : 00287 Firmware Version : 1.5 pl3 (Mar,18,1999) Elevation Cutoff Setting : 5.0 Date Installed : 1999-03-29 Date Removed : 1999-05-09 Temperature Stabiliz. : 3.0 degrees C Additional Information : JPS LEGACY receiver with serial number : L 00287 (MT302230847) replaced L 00143 3.5 Receiver Type : JPS LEGACY Satellite System : GPS+GLONASS Serial Number : 00287 Firmware Version : 1.6 pl2 (May, 5,1999) Elevation Cutoff Setting : 5.0 Date Installed : 1999-05-09 Date Removed : 1999-07-06 Temperature Stabiliz. : 3.0 degrees C Additional Information : Firmware version 1.6 pl2 installed 3.6 Receiver Type : JPS LEGACY Satellite System : GPS+GLONASS Serial Number : 00287 Firmware Version : 1.8 pl2 (Jun,17,1999) Elevation Cutoff Setting : 5.0 Date Installed : 1999-07-06 Date Removed : 1999-09-17 Temperature Stabiliz. : 3.0 degrees C Additional Information : Firmware version 1.8 pl2 installed 3.7 Receiver Type : JPS LEGACY Satellite System : GPS+GLONASS Serial Number : 00287 Firmware Version : 1.9 pl6 (Aug,31,1999) Elevation Cutoff Setting : 5.0 Date Installed : 1999-09-17 Date Removed : 2000-04-21 Temperature Stabiliz. : 3.0 degrees C Additional Information : Firmware version 1.9 pl6 installed 3.8 Receiver Type : JPS LEGACY Satellite System : GPS+GLONASS Serial Number : 00287 Firmware Version : 2.0 pl5 (Jan,24,1999) Elevation Cutoff Setting : 5.0 Date Installed : 2000-04-21 Date Removed : 2004-07-17T08:46Z Temperature Stabiliz. : 3.0 degrees C Additional Information : Firmware version 2.0 pl5 installed 3.9 Receiver Type : JPS LEGACY Satellite System : GPS+GLONASS Serial Number : 00286 Firmware Version : 2.3 Apr,28,2004 p4 Elevation Cutoff Setting : 1.0 Date Installed : 2004-07-22T13:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : 3.0 degrees C Additional Information : Receiver with s/n 286 replaced s/n 287 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 : ASH700699.L1 Serial Number : 13789 Antenna Reference Point : TOP Marker->ARP Up Ecc. (m) : 0.1018 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 : Antenna Cable Length : Date Installed : 1998-08-17 Date Removed : 1999-02-17 Additional Information : ASHTECH 700699 L1 700699B_Mar.III_L1 antenna 4.2 Antenna Type : JPSREGANT_SD_E Serial Number : 0043 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1000 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 : BELDEN 8214 BRAID RG8 / AWM 1354 Antenna Cable Length : 30 m Date Installed : 1999-02-17 Date Removed : 1999-03-29 Additional Information : 4.3 Antenna Type : JPSREGANT_DD_E Serial Number : 0077 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1000 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 : BELDEN 8214 BRAID RG8 / AWM 1354 Antenna Cable Length : 30 m Date Installed : 1999-03-29 Date Removed : 2004-03-08T15:00Z Additional Information : 4.4 Antenna Type : JPSREGANT_DD_E Serial Number : 0077 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1000 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 : LMR-400 Antenna Cable Length : 30 m Date Installed : 2004-03-08T15:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : Replaced antenna cable. 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) : -7.673 dy (m) : 1.894 dz (m) : 5.896 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) : -8.684 dy (m) : -0.812 dz (m) : 6.956 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) : -9.491 dy (m) : 0.936 dz (m) : 7.480 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) : -7.895 dy (m) : 13.499 dz (m) : 5.359 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) : -6.147 dy (m) : 11.427 dz (m) : 4.122 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 #21) Tied Marker Usage : FOOTPRINT Tied Marker CDP Number : Tied Marker DOMES Number : 13502M007 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.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 : 6.2 Standard Type : EXTERNAL OCX (OVEN CONTROLLED QUARTZ) Input Frequency : 5 MHz Effective Dates : 2004-07-22/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 : 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 Status : PERMANENT Effective Dates : 2001-11-30/CCYY-MM-DD Notes : Novatel Millenium GPS/WAAS receiver 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-DD/CCYY-MM-DD) 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 : 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@LR.TUDelft.nl Secondary 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@LR.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://igs.ifag.de Secondary Data Center : ftp://mgp1.geo.tudelft.nl URL for More Information : www.geo.tudelft.nl/mgp/agrs/station/delft Hardcopy on File Site Map : http://www.geo.tudelft.nl/maps/georoute.html Site Diagram : www.geo.tudelft.nl/mgp/agrs/station/delft/ : site_sketch.gif Horizon Mask : Y Monument Description : Y Site Pictures : www.geo.tudelft.nl/mgp/agrs/station/delft/ : geodesy_building.jpg Additional Information : No obstacles above 0 degrees of elevation, : except for two small 1.5 m masts 8 m West and : 11 m North-West of the antenna Antenna Graphics with Dimensions JPSREGANT_DD_E +-------------------------+ <--------------Plastic Housing for / ------------------- \ Antenna/Choke Ring / / + \ \ <-- 0.1186 L2 +---------+ | + | +---------+ <-- 0.1131 L1 | +-------------------------------------------------+ | <-- 0.xxxx TCR / | | \ | | | | | | | | | | | | \+-----------------------------------------------------+/ |+-----------------------------------------------------+| <-- 0.xxxx BCR \______________ | | ______________/ \ | | / \+---------x---------+/ <-- 0.0000 BPA=ARP ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering TGP: Top of Ground Plane BGP: Bottom of Ground Plane TPA: Top of Preamplifier BPA: Bottom of Preamplifier TOP: Top of Pole