SEJN00KOR Site Information Form (site log) International GNSS Service See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr_v2.0.txt 0. Form Prepared by (full name) : National Geographic Information Institute Date Prepared : 2024-08-23 Report Type : UPDATE If Update: Previous Site Log : sejn00kor_20210812.log Modified/Added Sections : 1, 2, 3.15, 3.16 1. Site Identification of the GNSS Monument Site Name : SEJONG City Nine Character ID : SEJN00KOR Monument Inscription : NGII GNSS STATION IERS DOMES Number : 23907M001 CDP Number : NONE Monument Description : PILLAR Height of the Monument : 5.0 m Monument Foundation : CONCRETE BLOCK Foundation Depth : 2.0 m Marker Description : Date Installed : 2012-02-15T00:00Z Geologic Characteristic : BEDROCK Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : 2. Site Location Information City or Town : Sejong State or Province : Country or Region : KOR Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : -3110081.8010 Y coordinate (m) : 4082093.9830 Z coordinate (m) : 3775023.5190 Latitude (N is +) : +363119.96 Longitude (E is +) : +1271811.49 Elevation (m,ellips.) : 181.2 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5049K72207 Firmware Version : 4.43 Elevation Cutoff Setting : 5 deg Date Installed : 2012-02-15T00:00Z Date Removed : 2012-12-23T00:00Z Temperature Stabiliz. : none Additional Information : 3.2 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5049K72207 Firmware Version : 4.62 Elevation Cutoff Setting : 5 deg Date Installed : 2012-12-24T00:00Z Date Removed : 2013-06-18T00:00Z Temperature Stabiliz. : none Additional Information : 3.3 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5049K72207 Firmware Version : 4.70 Elevation Cutoff Setting : 5 deg Date Installed : 2013-06-18T00:00Z Date Removed : 2013-09-25T00:00Z Temperature Stabiliz. : none Additional Information : 3.4 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5049K72207 Firmware Version : 4.81 Elevation Cutoff Setting : 5 deg Date Installed : 2013-09-26T00:00Z Date Removed : 2014-02-24T00:00Z Temperature Stabiliz. : none Additional Information : 3.5 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5049K72207 Firmware Version : 4.85 Elevation Cutoff Setting : 5 deg Date Installed : 2014-02-24T00:00Z Date Removed : 2015-06-10T00:00Z Temperature Stabiliz. : none Additional Information : 3.6 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5049K72207 Firmware Version : 5.01 Elevation Cutoff Setting : 5 deg Date Installed : 2015-06-10T00:00Z Date Removed : 2015-07-10T00:00Z Temperature Stabiliz. : none Additional Information : 3.7 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5049K72207 Firmware Version : 5.03 Elevation Cutoff Setting : 5 deg Date Installed : 2015-07-10T00:00Z Date Removed : 2015-09-25T00:00Z Temperature Stabiliz. : none Additional Information : 3.8 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5049K72207 Firmware Version : 5.10 Elevation Cutoff Setting : 5 deg Date Installed : 2015-09-25T00:00Z Date Removed : 2016-07-15T00:00Z Temperature Stabiliz. : none Additional Information : 3.9 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5049K72207 Firmware Version : 5.14 Elevation Cutoff Setting : 5 deg Date Installed : 2016-07-15T00:00Z Date Removed : 2016-12-16T00:00Z Temperature Stabiliz. : none Additional Information : 3.10 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5049K72207 Firmware Version : 5.15 Elevation Cutoff Setting : 5 deg Date Installed : 2016-12-16T00:00Z Date Removed : 2016-12-26T00:00Z Temperature Stabiliz. : none Additional Information : 3.11 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5049K72207 Firmware Version : 5.20 Elevation Cutoff Setting : 5 deg Date Installed : 2016-12-26T00:00Z Date Removed : 2017-06-27T00:00Z Temperature Stabiliz. : none Additional Information : 3.12 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5049K72207 Firmware Version : 5.22 Elevation Cutoff Setting : 5 deg Date Installed : 2017-06-27T00:00Z Date Removed : 2017-08-29T00:00Z Temperature Stabiliz. : none Additional Information : 3.13 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5049K72207 Firmware Version : 5.30 Elevation Cutoff Setting : 5 deg Date Installed : 2017-08-29T00:00Z Date Removed : 2018-01-31T00:00Z Temperature Stabiliz. : none Additional Information : 3.14 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5049K72207 Firmware Version : 5.33 Elevation Cutoff Setting : 5 deg Date Installed : 2018-01-31T00:00Z Date Removed : 2021-08-02T00:00Z Temperature Stabiliz. : Additional Information : 3.15 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5049K72207 Firmware Version : 5.45 Elevation Cutoff Setting : 5 deg Date Installed : 2021-08-02T00:00Z Date Removed : 2024-08-05T00:00Z Temperature Stabiliz. : Additional Information : 3.16 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 5049K72207 Firmware Version : 5.63 Elevation Cutoff Setting : 5 deg Date Installed : 2024-08-05T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : Additional Information : 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 : TRM59800.00 SCIS Serial Number : 5109354039 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0000 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : SCIS Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2012-02-15T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : 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.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 : 2012-02-15/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 : VLBI Status : PERMANENT Effective Dates : 2020-10-16/CCYY-MM-DD Notes : 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 : National Geographic Information Institute Preferred Abbreviation : NGII Mailing Address : 111, Wonchon-dong, Youngtong-gu, : Suwon-shi, 443-772, Korea Primary Contact Contact Name : KIM, Hyunho Telephone (primary) : +82-31-210-2656 Telephone (secondary) : Fax : +82-31-210-2756 E-mail : hhkim@korea.kr Secondary Contact Contact Name : Sung, Woojin Telephone (primary) : +82-31-210-2641 Telephone (secondary) : Fax : +82-31-210-2756 E-mail : geoswj@korea.kr 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 : NONE Secondary Data Center : IGN URL for More Information : http://www.ngii.go.kr Hardcopy on File Site Map : Y Site Diagram : Y Horizon Mask : Y Monument Description : Y Site Pictures : Y Additional Information : Antenna Graphics with Dimensions Trimble: TRIM59800.00 ----- / + <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | =| | +------x------+ <-- 0.000 ARP <-- 0.381 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering ******** Monument description ******** --- / +---------+ | | +=========+ | | +-x-+ <---------------- ARP = Marker Stainless Steel Rod -> | | 250mm (r = 25mm) +------| |------+ <---------- Top of pillar | | | | | | | | | ======= | | (1.1m x 1.1m) | | | | | | | | | | Ferro-concrete | | Pillar | | (H:5m) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (1.7m x 1.7m) | | | ~Ground Surface~ | | ~Ground Surface~ +------|-------------------------------|------+ | | | | | Ferro-concrete Base | | (2.1m x 2.1m x 2m) | | | | | | | | | | | | | | | | | | | | | +---------------------------------------------+