KOSG Site Information Form International GPS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Lennard Huisman Date Prepared : 2008-08-28 Report Type : UPDATE If Update: Previous Site Log : kosg_20021212.log Modified/Added Sections : 0, 1, 3.9, 3.10, 6.6, 10.1, 10.2, 11, 13 1. Site Identification of the GNSS Monument Site Name : Kootwijk Observatory for Satellite Geodesy Four Character ID : KOSG Monument Inscription : KOSG-25 IERS DOMES Number : 13504M003 CDP Number : Monument Description : STEEL MAST Height of the Monument : 12 (m) Monument Foundation : CONCRETE BLOCK Foundation Depth : (m) Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 1991-01-01 Geologic Characteristic : SAND Bedrock Type : SEDIMENTARY, GLACIAL DEPOSITS Bedrock Condition : Fracture Spacing : Fault zones nearby : NO Distance/activity : Additional Information : The GPS receiver is located at the site of the : former Kootwijk Observatory for Satellite : Geodesy (KOSG). The buildings at the site were : vacated and pulled down in 2005, with the : exception of the GPS mast. Since 28 August 2008 : the receiver is running under solar power. The : receiver is operating under responsibility : of the Department of Earth Observation (DEOS) : of the Delft University of Technology. The : steel GPS mast has been in place since January : 1991 (exact date unknown). 2. Site Location Information City or Town : Kootwijk State or Province : Country : Netherlands Tectonic Plate : Eurasian Approximate Position (ITRF) X coordinate (m) : 3899225.2730 Y coordinate (m) : 396731.8010 Z coordinate (m) : 5015078.3320 Latitude (N is +) : +521042.24 Longitude (E is +) : +0054834.56 Elevation (m,ellips.) : 00097.9 Additional Information : Near Apeldoorn 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-8 Satellite System : GPS Serial Number : R117 Firmware Version : Meenix 7.8 Elevation Cutoff Setting : 5.0 Date Installed : 1994-06-13 Date Removed : 1994-08-23 Temperature Stabiliz. : 2.0 Additional Information : (multiple lines) 3.2 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T175 Firmware Version : 2.8 Elevation Cutoff Setting : 5.0 Date Installed : 1994-08-24 Date Removed : 1994-11-22 Temperature Stabiliz. : 2.0 Additional Information : (multiple lines) 3.3 Receiver Type : ROGUE SNR-8 Satellite System : GPS Serial Number : R117 Firmware Version : Meenix 7.8 Elevation Cutoff Setting : 0 Date Installed : 1994-11-23 Date Removed : 1996-01-25 Temperature Stabiliz. : 2.0 Additional Information : (multiple lines) 3.4 Receiver Type : ROGUE SNR-12 RM Satellite System : GPS Serial Number : T209 Firmware Version : 3.2.32.1 Elevation Cutoff Setting : 0 Date Installed : 1996-01-26 Date Removed : 1996-04-23 Temperature Stabiliz. : 2.0 Additional Information : (multiple lines) 3.5 Receiver Type : ROGUE SNR-12 RM Satellite System : GPS Serial Number : T229 Firmware Version : 3.2.32.1 Elevation Cutoff Setting : 0 Date Installed : 1996-04-24 Date Removed : 1999-02-28 Temperature Stabiliz. : 2.0 Additional Information : (multiple lines) 3.6 Receiver Type : ROGUE SNR-12 RM Satellite System : GPS Serial Number : T222 Firmware Version : 3.2.32.1 Elevation Cutoff Setting : 0 Date Installed : 1999-03-01 Date Removed : 1999-07-14T07:00Z Temperature Stabiliz. : 2.0 Additional Information : (multiple lines) 3.7 Receiver Type : ROGUE SNR-12 RM Satellite System : GPS Serial Number : T222 Firmware Version : 3.2.32.9 Elevation Cutoff Setting : 0 Date Installed : 1999-07-14T07:10Z Date Removed : 2000-11-23T00:00Z Temperature Stabiliz. : 2.0 Additional Information : (multiple lines) 3.8 Receiver Type : AOA SNR-12 ACT Satellite System : GPS Serial Number : 224 Firmware Version : 3.3.32.4 Elevation Cutoff Setting : 0 Date Installed : 2000-11-24T17:34Z Date Removed : 2000-11-26T00:00Z Temperature Stabiliz. : 2.0 Additional Information : (multiple lines) 3.9 Receiver Type : AOA SNR-12 ACT Satellite System : GPS Serial Number : 229 Firmware Version : 3.3.32.4 Elevation Cutoff Setting : 0 Date Installed : 2000-11-27T15:16Z Date Removed : 2008-08-28T08:00Z Temperature Stabiliz. : 5.0 Additional Information : (multiple lines) 3.10 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLONASS Serial Number : 356091 Firmware Version : 6.00/3.14 Elevation Cutoff Setting : 0 Date Installed : 2008-08-28T13:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : none Additional Information : The receiver has actually been installed on : 2008-07-31T08:00Z and has been collecting data : in parallel to KOSG as KOS2 until 2008-08-28, : at which time it became the official receiver : for this site. : Data for this parallel period is available : from the LDC at http://gnss1.lr.tudelft.nl 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_B DUTD Serial Number : 119 Antenna Reference Point : BCR Marker->ARP Up Ecc. (m) : 000.1050 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 : (vendor & type number) Antenna Cable Length : 30 Date Installed : 1991-01-01 Date Removed : CCYY-MM-DDThh:mmZ Additional Information : Model C146-6-1 : DUT design (polyester cone) : Power and Signal cable separated, power : submitted by original GPS-receiver : ROGUE SNR-8 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 : KOSG-23(SLR) Tied Marker Usage : SLR/LOCAL CONTROL/FOOTPRINT Tied Marker CDP Number : 8833 Tied Marker DOMES Number : 13504M002 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 12.458 dy (m) : 37.501 dz (m) : -23.025 Accuracy (mm) : 3 Survey method : GPS CAMPAIGN/TRILATERATION/TRIANGULATION Date Measured : 1993-04-14 Additional Information : KOSG-23 Mobile SLR Reference Point 5.2 Tied Marker Name : KOSG-28 Tied Marker Usage : LOCAL CONTROL/FOOTPRINT/GPS Tied Marker CDP Number : 8833 Tied Marker DOMES Number : 13504M002 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -17.115 dy (m) : 32.379 dz (m) : 1.144 Accuracy (mm) : 3 Survey method : GPS CAMPAIGN/TRILATERATION/TRIANGULATION Date Measured : 1993-04-14 Additional Information : KOSG-28 Mobile GPS Reference Point, also : EUREF reference marker 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) : dy (m) : dz (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 : RUBIDIUM Input Frequency : 5 MHz Effective Dates : 1991-01-01/1996-01-26 Notes : 5065A Rubidium Vapor Frequency Standard 6.2 Standard Type : QUARTZ Input Frequency : 5 MHz Effective Dates : 1996-01-27/1996-02-14 Notes : Frequency Crystal Oscillator 6.3 Standard Type : RUBIDIUM Input Frequency : 5 MHz Effective Dates : 1996-02-14/2000-11-23 Notes : 5065A Rubidium Vapor Frequency Standard 6.4 Standard Type : INTERNAL Input Frequency : Effective Dates : 2000-11-24/2000-11-27 Notes : 6.5 Standard Type : QUARTZ Input Frequency : 5 MHZ Effective Dates : 2000-11-27/2008-08-27 Notes : OSCILLOQUARTZ Oven Controlled Crystal Oscillator : OCXO 8600 6.6 Standard Type : INTERNAL Input Frequency : Effective Dates : 2008-08-28/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 : SLR Status : MOBILE Effective Dates : 1984-01-01/1996-12-31 Notes : Regular occupations by MTLRS-2 7.2 Instrumentation Type : Absolute gravimeters Status : MOBILE Effective Dates : 1973-01-01/CCYY-MM-DD Notes : (multiple lines) 7.3 Instrumentation Type : Relative gravimeters Status : MOBILE Effective Dates : 1973-01-01/CCYY-MM-DD Notes : (multiple lines) 7.4 Instrumentation Type : Seismometer Status : PERMANENT Effective Dates : 1973-01-01/1995-12-31 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 : (hPa) 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 : 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.x Radio Interferences : (TV/CELL PHONE ANTENNA/RADAR/etc) Observed Degredations : (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 : 2003-03-17 Event : On March 17, 2003, about 8:00 UTC, a guy wire : steadying the antenna mast was hit by a JCB, : resulting in a shift of the antenna position. : Two different analysis of the GPS data show : the following shifts: -0.0082 in N and -0.0021 : in E (EPN timeseries by Ambrus Keyneres), : respectively -0.0083 in N and -0.0033 in E :(JPL timeseries). Local measurements indicate : a shift of 5 mm to the South 10.2 Date : 2008-07-17 Event : MINOR CONSTRUCTION (FOUNDATION FOR SOLAR PANELS) 10.x Date : 2008-CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : Delft University of Technology Preferred Abbreviation : DUT Mailing Address : Faculty of Aerospace Engineering TU Delft : Earth Observation and Space Systems (DEOS) : Kluyverweg 1, NL-2629 HS Delft Primary Contact Contact Name : Lennard Huisman Telephone (primary) : +31 15 2788139 Telephone (secondary) : +31 15 2783546 Fax : +31 15 2783711 E-mail : L.Huisman@tudelft.nl Secondary Contact Contact Name : Hans van der Marel Telephone (primary) : +31 15 2784907 Telephone (secondary) : +31 15 2783546 Fax : +31 15 2783711 E-mail : H.vanderMarel@tudelft.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 : BKGI Secondary Data Center : IGNI URL for More Information : http://gnss1.lr.tudelft.nl/dpga/ Hardcopy on File Site Map : ./dpga/station/Kootwijk.html Site Diagram : X Horizon Mask : X Monument Description : X Site Pictures : ./dpga/station/Kootwijk.html Additional Information : (multiple lines) Antenna Graphics with Dimensions ROGUE: DORNE MARGOLIN B (Allen Osborne Design) S/N 119 according to general figures. ----- / + \ <-- 0.096 L2 | + | <-- 0.078 L1 +-----------------+-------------+------------------+ <-- 0.070 TCR | | | | | | | | | | +-----------------+------x------+------------------+ <-- 0.000 ARP | | +-------------+ <-- -0.011 || || <-- 0.351 --> ROGUE: DORNE MARGOLIN B (Allen Osborne Design) S/N 119 calibrated by DUT/KOSG in cooperation with ESA/ESTEC. ----- / + \ <-- 0.101 L2 | + | <-- 0.077 L1 +--------------------------------------------------+ <-- 0.070 TCR | | | | | | | | | | +------------------------x-------------------------+ <-- 0.000 ARP | | +-------------+ <-- -0.010 || || <-- 0.351 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering