GOP600CZE Site Information Form (site log) International GNSS Service See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Jakub Kostelecky Date Prepared : 2023-09-25 Report Type : UPDATE If Update: Previous Site Log : gop6_20210901.log Modified/Added Sections : 3.10, 3.11, 6.3, 8.5.4, 11 1. Site Identification of the GNSS Monument Site Name : Pecny, Ondrejov / CZ Four Character ID : GOP6 Monument Inscription : IERS DOMES Number : 11502M006 CDP Number : Monument Description : CONCRETE PILLAR ON THE ROOF Height of the Monument : 11.6 m Monument Foundation : ROOF OF BUILDING Foundation Depth : 3.6 m Marker Description : CENTER OF HOLE OF STEEL FORCED CENTERING Date Installed : 2006-07-04T00:00Z Geologic Characteristic : BEDROCK Bedrock Type : METAMORPHIC Bedrock Condition : WEATHERED Fracture Spacing : 51-200 cm Fault zones nearby : NO Distance/activity : Additional Information : Height of pillar above roof is 4.4 : Height of point above groud is 11.6 2. Site Location Information City or Town : Ondrejov State or Province : Bohemia Country : Czechia Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 3979319.62 Y coordinate (m) : 1050311.94 Z coordinate (m) : 4857064.38 Latitude (N is +) : +495449.20 Longitude (E is +) : +0144708.17 Elevation (m,ellips.) : 592.6 Additional Information : ETRF89 3. GNSS Receiver Information 3.1 Receiver Type : LEICA GRX1200+GNSS Satellite System : GPS+GLO+GAL+SBAS Serial Number : 496604 Firmware Version : 8.50/6.110 Elevation Cutoff Setting : 0 deg Date Installed : 2011-12-21T00:00Z Date Removed : 2012-02-27T21:30Z Temperature Stabiliz. : 21 +/- 1 C Additional Information : air conditioning 3.2 Receiver Type : LEICA GRX1200+GNSS Satellite System : GPS+GLO+GAL+SBAS Serial Number : 496604 Firmware Version : 8.51/6.110 Elevation Cutoff Setting : 0 deg Date Installed : 2012-02-27T22:17Z Date Removed : 2012-08-07T11:51Z Temperature Stabiliz. : 21 +/- 1 C Additional Information : air conditioning 3.3 Receiver Type : LEICA GRX1200+GNSS Satellite System : GPS+GLO+GAL+SBAS Serial Number : 496604 Firmware Version : 8.51/6.111 Elevation Cutoff Setting : 0 deg Date Installed : 2012-08-07T11:55Z Date Removed : 2013-06-24T20:40Z Temperature Stabiliz. : 21 +/- 1 C Additional Information : air conditioning 3.4 Receiver Type : LEICA GRX1200+GNSS Satellite System : GPS+GLO+GAL+SBAS Serial Number : 496604 Firmware Version : 8.71/6.112 Elevation Cutoff Setting : 0 deg Date Installed : 2013-06-24T21:00Z Date Removed : 2015-07-28T22:27Z Temperature Stabiliz. : 21 +/- 1 C Additional Information : air conditioning 3.5 Receiver Type : LEICA GRX1200+GNSS Satellite System : GPS+GLO+GAL+SBAS Serial Number : 496604 Firmware Version : 9.20/6.404 Elevation Cutoff Setting : 0 deg Date Installed : 2015-07-28T23:02Z Date Removed : 2017-01-02T23:59Z Temperature Stabiliz. : 21 +/- 1 C Additional Information : air conditioning 3.6 Receiver Type : LEICA GRX1200+GNSS Satellite System : GPS+GLO+GAL Serial Number : 496604 Firmware Version : 9.20/6.405 Elevation Cutoff Setting : 0 deg Date Installed : 2017-01-03T00:00Z Date Removed : 2018-07-30T20:25Z Temperature Stabiliz. : 21 +/- 1 C Additional Information : air conditioning 3.7 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS Serial Number : 3023088 Firmware Version : 5.2.0 Elevation Cutoff Setting : 0 deg Date Installed : 2018-07-30T20:40Z Date Removed : 2019-10-02T15:24Z Temperature Stabiliz. : 21 +/- 1 C Additional Information : air conditioning 3.8 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS Serial Number : 3023088 Firmware Version : 5.3.0 Elevation Cutoff Setting : 0 deg Date Installed : 2019-10-02T15:27Z Date Removed : 2020-02-19T13:28Z Temperature Stabiliz. : 21 +/- 1 C Additional Information : air conditioning 3.9 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS Serial Number : 3023088 Firmware Version : 5.3.2 Elevation Cutoff Setting : 0 deg Date Installed : 2020-02-19T13:31Z Date Removed : 2021-02-08T13:39Z Temperature Stabiliz. : 21 +/- 1 C Additional Information : air conditioning 3.10 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS Serial Number : 3023088 Firmware Version : 5.4.0 Elevation Cutoff Setting : 0 deg Date Installed : 2021-02-08T13:42Z Date Removed : 2023-09-25T19:50Z Temperature Stabiliz. : 21 +/- 1 C Additional Information : air conditioning 3.11 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS Serial Number : 3023088 Firmware Version : 5.5.0 Elevation Cutoff Setting : 0 deg Date Installed : 2023-09-25T19:54Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : 21 +/- 1 C Additional Information : air conditioning 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS+GLO+GAL+BDS+QZSS+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.R4 LEIT Serial Number : 725071 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0653 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 : 725071 Antenna Cable Type : SEMIRIGID RG218 Antenna Cable Length : 30 m Date Installed : 2011-12-21T00:00Z Date Removed : 2012-04-10T14:30Z Additional Information : antenna is absolute calibrated by Geo++ GmbH : on June,06 2011 4.2 Antenna Type : LEIAR25.R4 LEIT Serial Number : 725071 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0653 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 : 725071 Antenna Cable Type : SEMIRIGID RG218 + ARRESTOR + SPLITTER + RG58 Antenna Cable Length : 31.5 m Date Installed : 2012-04-10T14:30Z Date Removed : 2019-04-09T07:00Z Additional Information : between the antenna and the receiver : installed: : -the surge arrestor Brok PN: : USPKO-N-50-3,2G-B/F-M : -the active antenna signal splitter : GPS NETWORKING PN: NALDCBS1X4-N/7.5/220 : it powers the antenna pre-amplifier 4.3 Antenna Type : SEPCHOKE_B3E6 SPKE Serial Number : 5287 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0653 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : SPKE Radome Serial Number : 5287 Antenna Cable Type : SEMIRIGID RG218 + ARRESTOR + SPLITTER + RG58 Antenna Cable Length : 31.5 m Date Installed : 2019-04-09T07:10Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : between the antenna and the receiver : installed: : -the surge arrestor Brok PN: : USPKO-N-50-3,2G-B/F-M : -the active antenna signal splitter : GPS NETWORKING PN: NALDCBS1X4-N/7.5/220 : it powers the antenna pre-amplifier 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 : EUREF 0209 Tied Marker Usage : TRIANGULATION STATION Tied Marker CDP Number : Tied Marker DOMES Number : 11502M001 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -69.182 dy (m) : 84.992 dz (m) : 35.713 Accuracy (mm) : 1 Survey method : GPS CAMPAIGN Date Measured : 1994-04-01T00:00Z Additional Information : The vector is referred to the reference point : of GOP6 (mark on the top of the concrete : pillar) i.e. dx = x (0209) - x (GOP6). 5.2 Tied Marker Name : GOPE Tied Marker Usage : MAIN PILLAR Tied Marker CDP Number : Tied Marker DOMES Number : 11502M002 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -3.200 dy (m) : 0.334 dz (m) : 2.532 Accuracy (mm) : 1 Survey method : GPS CAMPAIGN Date Measured : 2008-02-24T00:00Z Additional Information : The vector is referred to the reference point : of GOP6 (mark on the top of the concrete : pillar) i.e. dx = x (GOPE) - x (GOP6). : Date measured is mean epoch - results are : average form 36 days of measurement. 5.3 Tied Marker Name : GOP3 Tied Marker Usage : EXCENTRIC PILLAR Tied Marker CDP Number : Tied Marker DOMES Number : 11502M003 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -1.154 dy (m) : 2.919 dz (m) : 0.332 Accuracy (mm) : 1 Survey method : GPS CAMPAIGN Date Measured : 2008-03-01T00:00Z Additional Information : The vector is referred to the reference point : of GOP6 (mark on the top of the concrete : pillar) i.e. dx = x (GOP3) - x (GOP6). : Date measured is mean epoch - results are : average form 24 days of measurement. 5.4 Tied Marker Name : GOP5 Tied Marker Usage : EXCENTRIC PILLAR Tied Marker CDP Number : Tied Marker DOMES Number : 11502M005 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -0.381 dy (m) : 0.958 dz (m) : 0.115 Accuracy (mm) : 1 Survey method : GPS CAMPAIGN Date Measured : 2008-03-02T00:00Z Additional Information : The vector is referred to the reference point : of GOP6 (mark on the top of the concrete : pillar) i.e. dx = x (GOP5) - x (GOP6). : Date measured is mean epoch - results are : average form 26 days of measurement. 5.5 Tied Marker Name : GOP4 Tied Marker Usage : EXCENTRIC PILLAR for GNSS TIME receiver Tied Marker CDP Number : Tied Marker DOMES Number : 11502M004 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -0.769 dy (m) : 1.951 dz (m) : 0.225 Accuracy (mm) : 1 Survey method : GPS CAMPAIGN Date Measured : 2008-03-03T00:00Z Additional Information : The vector is referred to the reference point : of GOP6 (mark on the top of the concrete : pillar) i.e. dx = x (GOP4) - x (GOP6). : Date measured is mean epoch - results are : average form 44 days of measurement. 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 : EXTERNAL CESIUM Input Frequency : 10.0 MHz Effective Dates : 2011-12-27/2019-05-07 Notes : Symmetricom 5071A cesium atomic clock : Frequency steered to national standard : TP (Tempus Pragensis) using optical link : time transfer. 6.2 Standard Type : INTERNAL Input Frequency : Effective Dates : 2019-05-07/2019-05-09 Notes : 6.3 Standard Type : EXTERNAL H-MASER Input Frequency : 10.0 MHz Effective Dates : 2019-05-09/2021-09-01 Notes : Passive hydrogen maser OSA 3700 6.4 Standard Type : EXTERNAL CESIUM Input Frequency : 10.0 MHz Effective Dates : 2021-09-01/CCYY-MM-DD Notes : Symmetricom 5071A cesium atomic clock : Frequency steered to national standard : TP (Tempus Pragensis) using optical link : time transfer. 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 : VISUAL ASTROMETRY Status : PERMANENT Effective Dates : 1970-01-01/CCYY-MM-DD Notes : Circumzenithal VUGTK 100/1000 : Exact date in 1970 not known 7.2 Instrumentation Type : EARTH TIDAL GRAVIMETER Status : PERMANENT Effective Dates : 1976-04-22/2007-02-13 Notes : Askania GS15 (No.228) : Tidal station ICET No. 0930 Pecny 7.3 Instrumentation Type : ABSOLUTE GRAVIMETER Status : PERMANENT Effective Dates : 1978-10-04/CCYY-MM-DD Notes : Epoch measurements in 1978, 1983, 1986, 1992, : 1993, 2x 1995, 1996, 1997, 2x 1998, 2000, : periodically from 2001 (own FG5 No. 215 and : FG5-X No. 251) 7.4 Instrumentation Type : GPS+GLONASS Status : PERMANENT Effective Dates : 1995-05-13/CCYY-MM-DD Notes : IGS station GOPE 7.5 Instrumentation Type : SUPERCONDUCTING GRAVIMETER Status : PERMANENT Effective Dates : 2007-02-14/CCYY-MM-DD Notes : GWR OSG-050 : GGP station PE 7.6 Instrumentation Type : SEISMOMETER Status : PERMANENT Effective Dates : 2009-05-14/CCYY-MM-DD Notes : Very-broad-band seismometer Guralp CMG-3TD : instaled in 60 m depth borehole : Seismic station GOPC 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 : HG421.65 Manufacturer : COMET SYSTEM, Czech Republic Serial Number : 02430108 Data Sampling Interval : 60 sec Accuracy (% rel h) : 3 Aspiration : NATURAL Height Diff to Ant : -0.55 m Calibration date : 2009-04-17 Effective Dates : 2009-04-15/CCYY-MM-DD Notes : 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 : T7410 Manufacturer : COMET SYSTEM, Czech Republic Serial Number : 08960984 Data Sampling Interval : 60 sec Accuracy : 0.4 hPa Height Diff to Ant : -0.43 m Calibration date : 2009-04-17 Effective Dates : 2009-12-14/CCYY-MM-DD Notes : 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 : NS520.65-120 Manufacturer : COMET, Czech Republic Serial Number : 9838033 Data Sampling Interval : 60 sec Accuracy : 0.4 deg C Aspiration : UNASPIRATED Height Diff to Ant : -0.5 m Calibration date : 2009-04-17 Effective Dates : 2009-04-15/CCYY-MM-DD Notes : 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) 8.4.1 Water Vapor Radiometer : TP/WVP-3000 Manufacturer : RADIOMETRICS, USA Serial Number : 3025 Distance to Antenna : 5.08 m Height Diff to Ant : 0.1 m Calibration date : 2006-09-14 Effective Dates : 2006-09-11/2017-03-15 Notes : Unrepairable. Last measurement on 2016-02-18. 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) 8.5.1 Other Instrumentation : wind direction : Vaisala, FI : model WAV151 : last data from 2015-05-04 8.5.2 Other Instrumentation : wind speed : Vaisala, FI : model WAA151 : last data from 2015-05-04 8.5.3 Other Instrumentation : precipitation gauge : Meteoservis, CZ : model MR3H (heated) 8.5.4 Other Instrumentation : wind speed and direction : Baghirra, CZ : model TM WSD : first data from 2020-02-19 : last data 2023-09-25 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) 9.3.1 Signal Obstructions : TREES Effective Dates : 2011-12-21/2019-03-29 Additional Information : 2019-02-06/2019-03-29 reduction obstructions : in elevation angles between 5 and 15 degrees 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 : Geodetic Observatory Pecny, RIGTC Preferred Abbreviation : GOP Mailing Address : Pecny 244 : CZ-25165 Ondrejov : Czechia Primary Contact Contact Name : GOP operational center Telephone (primary) : +420 323 649 235 Telephone (secondary) : Fax : E-mail : gop_oc@pecny.cz Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : 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 : 13. More Information Primary Data Center : BKG Secondary Data Center : BEV URL for More Information : www.pecny.cz Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Site Pictures : Additional Information : Antenna Graphics with Dimensions LEIAR25.R4 LEIT Dorne Margolin with 3D choke ring (Revision 4) GPS: L1,L2,L5 GLONASS: L1,L2,L3 Galileo: E2-L1-E1,E5a,E5b,E6,AltBOC Compass: B1,B2,B3 L-BAND Includes insert for enhanced L5 performance. ___---___ __--- ---__ __/ \__ _/ \_ _/ \_ / +-------+ \ <-- 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 BPA: Bottom of Preamplifier TCR: Top of Chokering BCR: Bottom of Chokering SEPCHOKE_B3E6 SPKE | <-- 0.3977 | | | | | | | | | | | | --------- <-- 0.2847 / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / --------------- \ <-- 0.1550 / / \ \ <-- 0.128 | | | | |+-----------------------------------------------------+| <-- 0.1080 TCR || || || || || || || || ++-----------------+-----------------+-----------------++ <-- 0.0480 BCR | | | | | | +--------x--------+ <-- 0.0000 BPA=ARP <-- 0.1210 --> <-- 0.3630 --> <--- 0.3734 ---> Antenna heights: | <-- 0.4630 | | | | | | | | | | | | --------- <-- 0.3500 / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / --------------- \ <-- 0.2203 / / \ \ <-- 0.1933 | | | | |+-----------------------------------------------------+| <-- 0.1733 TCR || || || || || || || || ++-----------------+-----------------+-----------------++ <-- 0.1133 BCR | | | | | | +--------x--------+ <-- 0.0653 BPA=ARP | | | | | | +++-----+----x----+-----+++ <-- 0.0 reference +++---------------------+++ point GOP6/GOP7 || || || || || || || || || || +---++---------------------++---+ | | | pillar | | | | | ------------+-------------------------------+------------ roof