CHWN 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) : Susan Jeffries Date Prepared : 2019-01-25 Report Type : UPDATE If Update: Previous Site Log : chwn_20160804.log Modified/Added Sections : (n.n,n.n,...) 1. Site Identification of the GNSS Monument Site Name : Chitwan Four Character ID : CHWN Monument Inscription : IERS DOMES Number : (A9) CDP Number : (A4) Monument Description : SHALLOW-DRILLED BRACED Height of the Monument : (m) Monument Foundation : (STEEL RODS, CONCRETE BLOCK, ROOF, etc) Foundation Depth : (m) Marker Description : SCIGN MOUNT MARK Date Installed : 2011-03-28 Geologic Characteristic : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc) 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 : short driven braced monument 1.75 meters deep : with SCIGN adapter 2. Site Location Information City or Town : N/A State or Province : Country : Nepal Tectonic Plate : India Approximate Position (ITRF) X coordinate (m) : 553075.301 Y coordinate (m) : 5625883.003 Z coordinate (m) : 2944056.4361 Latitude (N is +) : +274005.67 Longitude (E is +) : +0842307.25 Elevation (m,ellips.) : 133.4 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE NETR8 Satellite System : GPS Serial Number : 5011K66178 Firmware Version : 4.19 Elevation Cutoff Setting : 0 deg Date Installed : 2011-03-28T08:34Z Date Removed : 2011-10-06T00:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.2 Receiver Type : TRIMBLE NETR8 Satellite System : GPS Serial Number : 5011K66178 Firmware Version : 4.41 Elevation Cutoff Setting : 0 deg Date Installed : 2011-10-06T00:00Z Date Removed : 2012-07-04T00:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.3 Receiver Type : TRIMBLE NETR8 Satellite System : GPS Serial Number : 5011K66178 Firmware Version : 4.48 Elevation Cutoff Setting : 0 deg Date Installed : 2012-07-04T00:00Z Date Removed : 2012-07-23T00:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.4 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4641123503 Firmware Version : 1.3-0 Elevation Cutoff Setting : 0 deg Date Installed : 2012-07-23T00:00Z Date Removed : 2012-12-03T00:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.5 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4641123503 Firmware Version : 1.3-1 Elevation Cutoff Setting : 0 deg Date Installed : 2012-12-03T00:00Z Date Removed : 2013-06-14T00:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.6 Receiver Type : TRIMBLE NETR9 Satellite System : GPS Serial Number : 5122K76206 Firmware Version : 4.70 Elevation Cutoff Setting : unknown deg Date Installed : 2013-06-14T00:00Z Date Removed : 2015-05-01T03:38Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.7 Receiver Type : TRIMBLE NETR8 Satellite System : GPS Serial Number : 4843K33425 Firmware Version : 4.70 Elevation Cutoff Setting : deg Date Installed : 2015-05-01T03:38Z Date Removed : 2015-06-07T00:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.8 Receiver Type : TRIMBLE NETR8 Satellite System : GPS Serial Number : 4843K33425 Firmware Version : 4.87 Elevation Cutoff Setting : unknown deg Date Installed : 2015-06-07T00:00Z Date Removed : 2019-01-21T14:31Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.9 Receiver Type : TRIMBLE NETR8 Satellite System : GPS Serial Number : 4843K33425 Firmware Version : 48.01 Elevation Cutoff Setting : deg Date Installed : 2019-01-21T14:31Z 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+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 : TRM57971.00 SCIT Serial Number : 1441027840 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0083 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : SCIT Radome Serial Number : 2910 Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2011-03-28T08:34Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : (multiple lines) 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 : 2011-03-28/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 : NONE Status : (PERMANENT/MOBILE) Effective Dates : (CCYY-MM-DDThh:mmZ) 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.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 : Nepal Department of Mines and Geology Preferred Abbreviation : DMG Mailing Address : DMG : Lainchour Kathmandu Nepal Primary Contact Contact Name : Lok Bijay Adhikari Telephone (primary) : +977-14410141 Telephone (secondary) : Fax : E-mail : lbadhikari@hotmail.com Secondary Contact Contact Name : John Galetzka Telephone (primary) : +1-303-381-7500 Telephone (secondary) : Fax : E-mail : galetzka@unavco.org Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : Caltech Tectonics Observatory Preferred Abbreviation : CTO Mailing Address : Primary Contact Contact Name : Jean-Philippe Avouac Telephone (primary) : 626-395-4239 Telephone (secondary) : Fax : E-mail : avouac@gps.caltech.edu Secondary Contact Contact Name : John Galetzka Telephone (primary) : +1-303-381-7500 Telephone (secondary) : Fax : E-mail : galetzka@unavco.org Additional Information : (multiple lines) 13. More Information Primary Data Center : UNAVCO Boulder Facility Archive Secondary Data Center : URL for More Information : http://www.unavco.org 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 : (multiple lines) Antenna Graphics with Dimensions TRM55971.00 TRM57971.00 / --------------------------------------------- \ + + \ --------------------------------------------- / \ / \ / \-----+-----/ <-- 0.0000 BAM=ARP <-- 0.3396 --> Notches