CHAN Site Information Form International GPS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Cunbo Fan Date Prepared : 2004-11-15 Report Type : NEW If Update: Previous Site Log : Modified/Added Sections : 1. Site Identification of the GNSS Monument Site Name : CHANGCHUN Four Character ID : CHAN Monument Inscription : NONE IERS DOMES Number : 21611M002 CDP Number : Monument Description : PILLAR Height of the Monument : 8.3 Monument Foundation : CONCRETE BLOCK Foundation Depth : 4.7 Marker Description : STEEL NAIL Date Installed : 2000-06-01 Geologic Characteristic : BEDROCK Bedrock Type : SEDIMENTARY Bedrock Condition : WEATHERED Fracture Spacing : 11-50 cm Fault zones nearby : NO Distance/activity : (multiple lines) Additional Information : (multiple lines) 2. Site Location Information City or Town : CHANGCHUN State or Province : JILIN Country : CHINA Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : -2674377.0 Y coordinate (m) : 3757198.0 Z coordinate (m) : 4391503.0 Latitude (N is +) : +434725.80 Longitude (E is +) : +1252635.88 Elevation (m,ellips.) : 268.3 Additional Information : (multiple lines) 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 Date Installed : 1998-05-16 Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : none Additional Information : 4. GNSS Antenna Information 4.1 Antenna Type : ASH700936B_M Serial Number : 16892 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.2500 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : RG-214 Antenna Cable Length : 30 Date Installed : 1998-05-16 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) : dy (m) : dz (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 : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 7. Collocation Information Date Removed : Date Installed : 1983-01-01 7.1 Instrumentation Type : SLR Status : PERMANENT Effective Dates : 1983-01-01 Notes : 8. Meteorological Instrumentation Date Removed : Date Installed : 1999-08-20 8.1.1 Humidity Sensor Model : MET3A Manufacturer : PAROSCIENTIFIC Serial Number : 74915 Data Sampling Interval : 1800 Accuracy (% rel h) : 2 Aspiration : NATURAL Height Diff to Ant : 0.1 Calibration date : (CCYY-MM-DD) Effective Dates : 1999-08-20 Notes : 8.2.1 Pressure Sensor Model : MET3A Manufacturer : PAROSCIENTIFIC Serial Number : 74915 Data Sampling Interval : 1800 Accuracy : 0.1 Height Diff to Ant : 0.1 Calibration date : (CCYY-MM-DD) Effective Dates : 1999-08-20 Notes : 8.3.1 Temp. Sensor Model : MET3A Manufacturer : PAROSCIENTIFIC Serial Number : 74915 Data Sampling Interval : 1800 Accuracy : 0.5 Aspiration : NATURAL Height Diff to Ant : 0.1 Calibration date : (CCYY-MM-DD) Effective Dates : 1999-08-20 Notes : 8.4.1 Water Vapor Radiometer : YES Manufacturer : CHINA Serial Number : Distance to Antenna : 50 Height Diff to Ant : 4 Calibration date : (CCYY-MM-DD) Effective Dates : 2004-08-16 Notes : 8.5.1 Other Instrumentation : 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.x Radio Interferences : (TV/CELL PHONE ANTENNA/RADAR/etc) Observed Degredations : (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/BUILDLINGS/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 : Changchun Observatory,NAOC,CAS Preferred Abbreviation : CHO Mailing Address : Jing Yue Tan Xi Shan : Changchun : Jilin, China : 130117 Primary Contact Contact Name : You Zhao Telephone (primary) : 86-431-4517112 Telephone (secondary) : Fax : 86-431-4513550 E-mail : youzhao@public.cc.jl.cn Secondary Contact Contact Name : Cunbo Fan Telephone (primary) : 86-431-4511337 Telephone (secondary) : Fax : 86-431-4511337 E-mail : ccslr@public.cc.jl.cn Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : Preferred Abbreviation : Mailing Address : 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 : 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 : (multiple lines) Antenna Graphics with Dimensions ASH700936B_M ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | =| | +------x------+ <-- 0.000 BPA=ARP <-- 0.381 --> 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.