IRKM Site Information Form (site log) International GPS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Grigory Steblov Date Prepared : 2004-11-21 Report Type : NEW If Update: Previous Site Log : Modified/Added Sections : 1. Site Identification of the GNSS Monument Site Name : IRKUTSK Four Character ID : IRKM Monument Inscription : East GPS/GLONASS Geodynamical Mark IERS DOMES Number : 12313M001 CDP Number : (XXXX) Monument Description : Concrete pillar encl. in isolated steel casing Height of the Monument : (m) Monument Foundation : (STEEL RODS, CONCRETE BLOCK, ROOF, etc) Foundation Depth : (m) Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 1995-09-29T00:00Z Geologic Characteristic : The Siberian Craton margin near the Baikal Rift. Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY) Bedrock Condition : (FRESH/JOINTED/WEATHERED) Fracture Spacing : (1-10 cm/11-50 cm/51-200 cm/over 200 cm) Fault zones nearby : (YES/NO/Name of the zone) Distance/activity : (multiple lines) Additional Information : Fundamental pillar with passive : termostabilization, installed on rock, : special mark on the top, forced : centering of the GPS antenna : Station IRKM shares this monument and the : antenna on it with the existing IGS station : IRKT. 2. Site Location Information City or Town : Irkutsk State or Province : Siberia Country : Russia Tectonic Plate : EURA Approximate Position (ITRF) X coordinate (m) : -968332.3889 Y coordinate (m) : 3794425.4087 Z coordinate (m) : 5018167.7058 Latitude (N is +) : +521308.48673 Longitude (E is +) : +1041858.46513 Elevation (m,ellips.) : 502.3170 Additional Information : Coordinates are given for reference epoch: : Year 2004 Doy 325 (2004.8880). : X/Y/Z are in ITRF2000, Lat/Lon/Elev are : in WGS84. 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : UC120031612 Firmware Version : CN04 Elevation Cutoff Setting : 0 Date Installed : 2004-11-17T04:15Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : none Additional Information : (multiple lines) 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS/GLONASS/GPS+GLONASS) Serial Number : (A5) 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 : AOAD/M_T Serial Number : 178 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.128 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1995-09-16T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : The receiver is connected to the antenna via : the splitter, GPS Networking, Inc., : Model NHIALDCBS1X2-N/15/220. : The 2nd input of the splitter is connected with : the receiver of station IRKT. : The splitter provides 15VDC to the antenna : independently of either IRKM or IRKT receivers. 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 : H-MASER Input Frequency : Effective Dates : 1995-09-16/CCYY-MM-DD Notes : (multiple lines) 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 : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 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) 8.5.1 Other Instrumentation : (multiple lines) 8.5.x Other Instrumentation : (multiple lines) 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.1 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) 9.1.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) 9.2.1 Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/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/BUILDLINGS/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 10.1 Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 10.x Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : East-Siberian Research Institute for : Physicotechnical and Radiotechnical : Measurements Preferred Abbreviation : ES NIIFTRI Mailing Address : 57, Borodina Str., Irkutsk, : RUSSIA, 664056 Primary Contact Contact Name : Vladislav M. Akulov Telephone (primary) : +7-395-246-7303 Telephone (secondary) : Fax : +7-395-239-3848 E-mail : vakulov@niiftri.irk.ru Secondary Contact Contact Name : Mark B. Kaufman / IMVP Telephone (primary) : +7-095-535-9297 Telephone (secondary) : Fax : +7-095-534-0609 E-mail : mark@imvp.ru Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : RDAAC-IMVP-JPL-LDEO Preferred Abbreviation : RDAAC-IMVP-JPL-LDEO Mailing Address : 6-3 Universitetskiy Prospect : 117333 Moscow, RUSSIA Primary Contact Contact Name : Grigory Steblov / RDAAC Telephone (primary) : +7-903-152-9610 Telephone (secondary) : Fax : +7-916-620-5009 E-mail : steblov@gps.gsras.ru Secondary Contact Contact Name : David A. Stowers / JPL Telephone (primary) : +1-818-354-7055 Telephone (secondary) : Fax : +1-818-393-4965 E-mail : dstowers@jpl.nasa.gov Additional Information : : Mikhail G. Kogan / LDEO : Tel: +1-845-365-8882 : E-mail: kogan@ldeo.columbia.edu 13. More Information Primary Data Center : JPL (ODC-Operational Data Center) Secondary Data Center : CDDIS (GDC-Global Data Center) URL for More Information : http://gps.gsras.ru Hardcopy on File Site Map : (Y or URL) Site Diagram : (Y or URL) Horizon Mask : (Y or URL) Monument Description : (Y or URL) Site Pictures : (Y or URL) Additional Information : Hardcopy Information available from www.site : or from Responsible Agency Antenna Graphics with Dimensions AOAD/M_ T ----- / + \ <-- 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