KOSA Site Information Form International GPS Service for Geodynamics 0. Form Prepared by (full name) : Hans van der Marel Date Prepared : 15-JUL-1999 Report Type : UPDATE Prepared Using : 1. Site Identification of the GPS Monument Site Name : Kootwijk Observatory for Satellite Geodesy Four Character ID : KOSA Monument Inscription : KOSG-25 IERS DOMES Number : 13504M003 CDP Number : (XXXX) Date Installed : 23-APR-1996 hh:mm UT Geologic Characteristic : SAND Bedrock Type : SEDIMENTARY Bedrock Condition : Fracture Spacing : Notes : Antenna on top of mast, founded on stable sand : layers deposited during the last ice age. Additional Information : The Kootwijk Observatory is operating under : responsibility of the Faculty of Geodesy of : the Delft University of Technology. : Two receivers are connected to the same antenna: : 1. KOSG is operating under responsibility of : the Institute for Earth-Oriented Space research : (DEOS) of the Delft University of Technology. : 2. KOSA is operating under responsibility of : the AGRS.NL exploitation organisation 2. Site Location Information City or Town : Kootwijk (near Apeldoorn) State or Province : Country : The Netherlands Tectonic Plate : Eurasian Approximate Position X coordinate (m) : 3899225.2730 Y coordinate (m) : 396731.8010 Z coordinate (m) : 5015078.3320 Latitude (deg) : 52.1784 Longitude (deg) : 5.8096 Elevation (m) : 97.8617 Additional Information : (multiple lines) 3. GPS Receiver Information 3.1 Receiver Type : ROGUE SNR-12 RM Serial Number : 224 Firmware Version : 3.2.32.1 Date Installed : 23-APR-1996 00:00 UT Date Removed : 11-MAY-1998 00:00 UT Additional Information : Effective with this entry a second Turbo Rogue : receiver was deployed at Kootwijk, operating in : parallel with the IGS receiver (KOSG). 3.2 Receiver Type : ROGUE SNR-12 RM Serial Number : 229 Firmware Version : 3.2.32.1 Date Installed : 11-MAY-1998 00:00 UT Date Removed : 18-AUG-1998 00:00 UT Additional Information : Receiver #224 has been deployed elsewhere in the : network (Eijsden) to replace a malfunctioning : receiver. Data has been collected from the IGS : receiver #229 instead. 3.3 Receiver Type : ROGUE SNR-12 RM Serial Number : 222 Firmware Version : 3.2.32.1 Date Installed : 18-AUG-1998 00:00 UT Date Removed : 14-JUL-1999 06:35 UT Additional Information : Again a second receiver was deployed at Kootwijk. : Firmware change. 3.4 Receiver Type : ROGUE SNR-12 RM Serial Number : 222 Firmware Version : 3.2.32.9 Date Installed : 14-JUL-1999 07:05 UT Date Removed : Additional Information : 3.x Receiver Type : Serial Number : Firmware Version : Date Installed : (dd-MMM-yyyy hh:mm UT) Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : (multiple lines) 4. GPS Antenna Information 4.1 Antenna Type : AOAD/M_B DUTD Serial Number : 119 Antenna Height (m) : 0.105 Antenna Reference Point : ARP Degree Offset from North : Antenna Radome Type : DUTD Date Installed : 01-JAN-1991 hh:mm UT Date Removed : (dd-MMM-yyyy hh:mm UT) 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.x Antenna Type : Serial Number : Antenna Height (m) : (m) Antenna Reference Point : (ARP/BCR/BPA) Degree Offset from North : Antenna Radome Type : Date Installed : (dd-MMM-yyyy hh:mm UT) Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : (multiple lines) 5. Local Site Ties 5.1 Monument Name : KOSG-23(SLR) Site Ref CDP Number : 8833 Site Ref Domes Number : 13504M002 Differential Components from GPS Mark to Site Reference (ITRS) dx (m) : 12.458 dy (m) : 37.501 dz (m) : -23.025 Accuracy (mm) : 3 Date Measured : 14-APR-1993 hh:mm UT Additional Information : KOSG-23 Mobile SLR Reference Point 5.2 Monument Name : KOSG-28 Site Ref CDP Number : 8833 Site Ref Domes Number : 13504M002 Differential Components from GPS Mark to Site Reference (ITRS) dx (m) : -17.115 dy (m) : 32.379 dz (m) : 1.144 Accuracy (mm) : 3 Date Measured : 14-APR-1993 hh:mm UT Additional Information : KOSG-28 Mobile GPS Reference Point, also : EUREF reference marker 6. Frequency Standard 6.1 Standard Type : RUBIDIUM Frequency : Effective Dates : 01-JAN-1991 - 26-JAN-1996 Notes : 5065A Rubidium Vapor Frequency Standard 6.2 Standard Type : QUARTZ Frequency : Effective Dates : 27-JAN-1996 - 14-FEB-1996 Notes : Frequency Crystal Oscillator 6.3 Standard Type : RUBIDIUM Frequency : Effective Dates : 14-FEB-1996 - 14-JUL-1999 9:00 UT Notes : 5065A Rubidium Vapor Frequency Standard 6.4 Standard Type : INTERNAL Frequency : Effective Dates : 14-JUL-1999 9:00 UT Notes : Temporarily disconnected Rubibium clock. 6.x Standard Type : (H-MASER/CESIUM/QUARTZ/INTERNAL/RUBIDIUM) Frequency : Effective Dates : (dd-MMM-yyyy - dd-MMM-yyyy) Notes : (multiple lines) 7. Collocation Information 7.1 Instrumentation Type : SLR Status : MOBILE Effective Dates : (dd-MMM-yyyy - dd-MMM-yyyy) Notes : Absolute gravimeter (M) : Relative gravimeters (M) : Seismometer (P) 8. Meteorological Instrumentation 8.1 Humidity Sensor Model : HUMICAP H-Sensor Manufacturer : Vaisala Oy, Finland Data Frequency : 1 minute Accuracy (% rel h) : 1% (0..90 % RH) 2% (90..100 % RH) Effective Dates : 23-APR-1996 - dd-MMM-yyyy Notes : Electronics: Vaisala Humidity and Temperature : Transmitter HMP233 8.2 Pressure Sensor Model : Vaisala Pressure Transmitter PTB 200A Manufacturer : Vaisala Oy, Finland Data Frequency : 1 minute Accuracy (mbar) : 0.2 (mbar) Height Diff to GPS (m) : -7.96 (m) Effective Dates : 23-APR-1996 - dd-MMM-yyyy Notes : Electronics: Vaisala Pressure Transmitter : PTB 200A; pressure sensor below GPS antenna 8.3 Temperature Sensor Model : Pt 100 RTD 1/3 DIN 43760B Manufacturer : Vaisala Oy, Finland Data Frequency : 1 minute Accuracy (deg C) : 0.1 (deg C) Effective Dates : 23-APR-1996 - dd-MMM-yyyy Notes : Electronics: Vaisala Humidity and Temperature : Transmitter HMP233 8.4 Water Vapor Radiometer : Manufacturer : Distance to GPS (m) : (m) Elev Diff to GPS (m) : (m) Effective Dates : (dd-MMM-yyyy - dd-MMM-yyyy) Notes : (multiple lines) 8.5 Other Instrumentation : (multiple lines) 9. On-Site, Point of Contact Agency Information Agency : Delft University of Technology (DUT) Mailing Address : Thijssweg 11 : Delft, The Netherlands : 2629 JA Primary Contact Contact Name : Hans van der Marel Telephone (primary) : (31) 15 2784907 Telephone (secondary) : Fax : (31) 15 2783711 E-mail : H.vanderMarel@geo.tudelft.nl Secondary Contact Contact Name : Danny van Loon Telephone (primary) : (31) 15 2788137 Telephone (secondary) : Fax : (31) 15 2783711 E-mail : vanloon@geo.tudelft.nl Additional Information : (multiple lines) 10. Responsible Agency (if different from 9.) Agency : (multiple lines) 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) 11. More Information URL for More Information : http://www.agrs.nl/station/kootwijk Hardcopy on File Site Map : X Site Diagram : X Horizon Mask : X Monument Description : X Site Pictures : X 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 A conic radome (Van Loon design) is placed on top of the Chokering. Revision history: 15 July 1999 - Hans van der Marel * Change in receiver firmware * Introduction of DUTD radome type * Rubibium clock disconnected * Modified height offset antenna and pressure sensor 13 june 1999 - Hans van der Marel * Create separate 'sitelog' for KOSA (AGRS.NL receiver) from the KOSG sitelog * Changed antenna type to new IGS standard * Added information on meteo sensors * Changed primary/secondary contact CHANGES EFFECTIVE IN RINEX FILES STARTING JUNE 13th, 1999 (GPSWEEK/DAY 1014/0, DOY 164)