CHAN00CHN 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) : Ziang Zhang Date Prepared : 2021-02-10 Report Type : UPDATE If Update: Previous Site Log : chan_20210122.log Modified/Added Sections : 4.2, 10.1 1. Site Identification of the GNSS Monument Site Name : CHANGCHUN Nine Character ID : CHAN00CHN Monument Inscription : CHANGCHUN IERS DOMES Number : 21611M002 CDP Number : Monument Description : PILLAR Height of the Monument : 8.3 m Monument Foundation : CONCRETE BLOCK Foundation Depth : 4.7 m Marker Description : STEEL NAIL Date Installed : 2000-06-01T00:00Z Geologic Characteristic : BEDROCK Bedrock Type : SEDIMENTARY Bedrock Condition : WEATHERED Fracture Spacing : 11-50 cm Fault zones nearby : NO Distance/activity : Additional Information : 2. Site Location Information City or Town : CHANGCHUN State or Province : JILIN Country or Region : CHN Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : -2674377.0000 Y coordinate (m) : 3757198.0000 Z coordinate (m) : 4391503.0000 Latitude (N is +) : +434725.80 Longitude (E is +) : +1252635.88 Elevation (m,ellips.) : 268.3 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 03427 Firmware Version : CC00-1D02 Elevation Cutoff Setting : 5 deg Date Installed : 1998-05-16T00:00Z Date Removed : 2007-11-15T00:00Z Temperature Stabiliz. : none Additional Information : 3.2 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : UC2200511014 Firmware Version : CQ00 Elevation Cutoff Setting : 5 deg Date Installed : 2007-11-15T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : none 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 : ASH700936B_M NONE Serial Number : 16892 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.2500 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : RG-214 Antenna Cable Length : 30 m Date Installed : 1998-05-16T00:00Z Date Removed : 2007-11-15T00:00Z Additional Information : 4.2 Antenna Type : ASH701945E_M NONE Serial Number : CR6200503027 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.2500 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : NONE Antenna Cable Type : RG-214 Antenna Cable Length : 30 m Date Installed : 2007-11-15T00:00Z Date Removed : 2021-01-22T01:00Z Additional Information : The data from 19-NOV-2020 to 22-JAN-2021 might : not be trustworthy following a detected 9cm : vertical event, leading to the documented : cable and antenna replacement 4.3 Antenna Type : ASH701945C_M NONE Serial Number : 16892 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.2500 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : SYY-50-5-1 Antenna Cable Length : 30 m Date Installed : 2021-01-22T01:00Z 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 5.1 Tied Marker Name : CHAL Tied Marker Usage : SLR Tied Marker CDP Number : 7237 Tied Marker DOMES Number : 21611S001 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 40.300 dy (m) : 46.016 dz (m) : -13.340 Accuracy (mm) : Survey method : TRIANGULATION Date Measured : 2011-10-09T10:00Z Additional Information : 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 : 2007-11-15/2015-09-14 Notes : 6.2 Standard Type : EXTERNAL H-MASER Input Frequency : 10.0 MHz Effective Dates : 2015-09-14/CCYY-MM-DD Notes : The active H-MASER (model: BM2101-01) produced : by No.203 Institute of CASIC 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 : PERMANENT Effective Dates : 1983-01-01/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 8.1.1 Humidity Sensor Model : MET3A Manufacturer : PAROSCIENTIFIC Serial Number : 74915 Data Sampling Interval : 1800 sec Accuracy (% rel h) : 2 Aspiration : NATURAL Height Diff to Ant : 0.1 m Calibration date : 1999-08-20 Effective Dates : 1999-08-20/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.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 10.1 Date : 2020-11-19/2020-11-20 Event : Freezing rain 10.x Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : Changchun Observatory,NAOC,CAS Preferred Abbreviation : CHO Mailing Address : Jing Yue Tan Xi Shan : Changchun : Jilin, China : 130117 Primary Contact Contact Name : Ziang Zhang Telephone (primary) : 86-431-81057985 Telephone (secondary) : 86-431-81057981 Fax : 86-431-81057985 E-mail : GPS@cho.ac.cn Secondary Contact Contact Name : Cunbo Fan Telephone (primary) : 86-431-81057878 Telephone (secondary) : 86-431-81057981 Fax : 86-431-81057878 E-mail : fancb@cho.ac.cn Additional Information : 12. Responsible Agency (if different from 11.) Agency : Changchun Observatory,NAOC,CAS Preferred Abbreviation : CHO Mailing Address : Jing Yue Tan Xi Shan : Changchun : Jilin, China : 130117 Primary Contact Contact Name : Ziang Zhang Telephone (primary) : 86-0431-81057985 Telephone (secondary) : 86-0431-81057981 Fax : 86-0431-81057985 E-mail : gps@cho.ac.cn Secondary Contact Contact Name : Cunbo Fan Telephone (primary) : 86-0431-81057878 Telephone (secondary) : 86-0431-81057981 Fax : 86-0431-81057985 E-mail : fancb@cho.ac.cn Additional Information : 13. More Information Primary Data Center : CDDIS Secondary Data Center : SIO URL for More Information : www.cho.ac.cn Hardcopy on File Site Map : Y Site Diagram : Y Horizon Mask : Y Monument Description : Y Site Pictures : Y Additional Information : Antenna Graphics with Dimensions ASH701945E_M +-------+ / + \ | + | +-----------------+-------------+------------------+ <-- 0.1006 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.0376 +-------------------+-------------+--------------------+ <-- 0.0346 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.3794 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering TGP: Top of Ground Plane BGP: Bottom of Ground Plane TPA: Top of Preamplifier BPA: Bottom of Preamplifier TOP: Top of Pole All dimensions are in meters.