KOS100NLD Site Information Form (site log) International GNSS Service See Instructions at: https://files.igscb.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : TU Delft GNSS team Date Prepared : 2022-12-06 Report Type : UPDATE If Update: Previous Site Log : kos100nld_20201220.log Modified/Added Sections : 3.9, 3.10 1. Site Identification of the GNSS Monument Site Name : Kootwijk Observatory for Satellite Geodesy Four Character ID : KOS1 Monument Inscription : None IERS DOMES Number : 13504M005 CDP Number : (A4) Monument Description : STEEL MAST Height of the Monument : 1.5 m Monument Foundation : CONCRETE BUILDING Foundation Depth : (m) Marker Description : Bottom of the pin under the antenna mount Date Installed : 2013-05-23 Geologic Characteristic : SAND Bedrock Type : SEDIMENTARY Bedrock Condition : (FRESH/JOINTED/WEATHERED) 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 : The GNSS antenna is mounted on a short mast on : the roof of Radio Kootwijk (nickname : 'Cathedral'), nearby, and in sight of, the : former Kootwijk Observatory for Satellite : Geodesy (KOSG). The building is a very sturdy : concrete structure build in the 1930's to : house long wave long distance radio : transmitters (now removed). The building is : nowadays a protected monument. : The station is operating under responsibility : of the AGRS.NL organisation (RWS/KAD/TUD) : Dutch triangulation RD site+marker 339352-02 2. Site Location Information City or Town : Kootwijk State or Province : Gelderland Country : Netherlands (the) Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 3899613.948 Y coordinate (m) : 397361.592 Z coordinate (m) : 5014738.666 Latitude (N is +) : +521024.08 Longitude (E is +) : +0054905.61 Elevation (m,ellips.) : 104.8 Additional Information : Near Apeldoorn 3. GNSS Receiver Information 3.1 Receiver Type : SEPT POLARX4 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 3002129 Firmware Version : 2.3.4 Elevation Cutoff Setting : 0 deg Date Installed : 2013-06-18T12:20Z Date Removed : 2013-09-09T02:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.2 Receiver Type : SEPT POLARX4 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 3002129 Firmware Version : 2.5.2 Elevation Cutoff Setting : 0 deg Date Installed : 2013-09-10T09:58Z Date Removed : 2015-02-18T15:32Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.3 Receiver Type : SEPT POLARX4 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 3002129 Firmware Version : 2.7-beta1 Elevation Cutoff Setting : 0 deg Date Installed : 2015-02-18T15:33Z Date Removed : 2015-06-18T08:43Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.4 Receiver Type : SEPT POLARX4 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 3002129 Firmware Version : 2.9.0 Elevation Cutoff Setting : 0 deg Date Installed : 2015-06-18T08:45Z Date Removed : 2017-01-18T15:04Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.5 Receiver Type : SEPT POLARX4 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 3002129 Firmware Version : 2.9.5 Elevation Cutoff Setting : 0 deg Date Installed : 2017-01-18T15:04Z Date Removed : 2017-01-18T19:45Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.6 Receiver Type : SEPT POLARX4 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 3002129 Firmware Version : 2.9.6 Elevation Cutoff Setting : 0 deg Date Installed : 2017-01-18T19:45Z Date Removed : 2018-12-17T12:45Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.7 Receiver Type : SEPT POLARX4 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 3002129 Firmware Version : 2.9.6-patch2 Elevation Cutoff Setting : 0 deg Date Installed : 2018-12-17T12:49Z Date Removed : 2020-04-20T07:30Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.8 Receiver Type : SEPT POLARX4 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 3002074 Firmware Version : 2.9.6-patch2 Elevation Cutoff Setting : 0 deg Date Installed : 2020-04-20T07:30Z Date Removed : 2020-09-21T12:15Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.9 Receiver Type : SEPT POLARX5E Satellite System : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS Serial Number : 3048419 Firmware Version : 5.3.2 Elevation Cutoff Setting : 0 deg Date Installed : 2020-09-21T12:15Z Date Removed : 2022-12-06T14:16Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.10 Receiver Type : SEPT POLARX5E Satellite System : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS Serial Number : 3048419 Firmware Version : 5.5.0 Elevation Cutoff Setting : 0 deg Date Installed : 2022-12-06T14:17Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : none Additional Information : (multiple lines) 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 : LEIAR25.R3 LEIT Serial Number : 10050009 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1300 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 : 10050009 Antenna Cable Type : CA600 Antenna Cable Length : 30 m Date Installed : 2013-05-23T00:00Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : Antenna and radome have been absolutely : calibrated by geo++ 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-25 Tied Marker Usage : GPS (KOSG Permanent GPS) Tied Marker CDP Number : (A4) Tied Marker DOMES Number : 13504M003 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -388.530 m dy (m) : -630.930 m dz (m) : 339.580 m Accuracy (mm) : 5 mm Survey method : GPS CAMPAIGN Date Measured : 2013-06-27T00:00Z Additional Information : Provisional result from GPS data, local : survey with triangulation, trilateration : and levelling has been conducted. Results : are pending. 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 : (if external) Effective Dates : 2013-06-27/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 : RELATIVE GRAVIMETERS Status : MOBILE Effective Dates : 1973-01-01/2004-12-31 Notes : (multiple lines) 7.2 Instrumentation Type : ABSOLUTE GRAVIMETERS Status : MOBILE Effective Dates : 1973-01-01/CCYY-MM-DD Notes : Micro-g FG-5 #234 (yearly) 7.3 Instrumentation Type : SEISMOMETER Status : PERMANENT Effective Dates : 1973-01-01/1995-12-31 Notes : (multiple lines) 7.4 Instrumentation Type : SLR Status : MOBILE Effective Dates : 1984-01-01/1996-12-31 Notes : Regular occupations by MTLRS-2 7.5 Instrumentation Type : UNDERGROUND LEVELING BENCHMARK Status : PERMANENT Effective Dates : 2013-05-23/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 : Kadaster : Department of GRS Preferred Abbreviation : KAD Mailing Address : Hofstraat 110 : 7311KZ Apeldoorn : Netherlands (the) Primary Contact Contact Name : Department of GRS Telephone (primary) : +31 6 52481939 Telephone (secondary) : Fax : E-mail : rd@kadaster.nl Secondary Contact Contact Name : Hans van der Marel Telephone (primary) : +31 15 278 4907 Telephone (secondary) : Fax : E-mail : h.vandermarel@tudelft.nl Additional Information : Primary contact for non IGS and EPN related : activities concerning this station 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 : BKG Secondary Data Center : IGN URL for More Information : http://gnss1.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 LEIAR25.R3 +-------+ <-- 0.1995 / \ +---+-------------+---+ <-- 0.1606 TCR | | |---------------------------| |---------------------------------| |---------------------------------------| +---------------------------------------------+ | | | | +-+---------------------------------------------+-+ +-----------------+-------------+-----------------+ <-- 0.0320 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP (5/8' thread might differ from BPA!) <-- 0.3802 --> ARP: antenna reference point BCR: bottom of chokering BPA: bottom of preamplifier TCR: top of chokering