MYRA Site Information Form (site log) International GNSS Service See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Yuan Lu Date Prepared : 2022-11-09 Report Type : UPDATE If Update: Previous Site Log : myra_20210920.log Modified/Added Sections : 1. - updated monument description; : 2. - corrected formatting; : Sections 3.2 to 3.5 and 4.2 added; : 6.1, 11., 13. - updated/corrected : content and formatting; : Removed sections 8.1.1, 8.2.1, 8.3.1, 8.4.1 : 8.5.1, 9.1.1, 9.2.1, 9.3.1; : 2020-09-22: - 4.2 Changed ARP: BAM->BPA : - Antenna Diagram B : 2020-10-21: - 2: Longi. has the wrong sign : 2021-09-20: 1 Add T00:00Z to the "Date : Installed" field : 4.1 Add Rodome "SCIS" to the : antenna type file and short : the multiline comment length : to fix the length restriction. : 2022-11-09: 0 - the recent IGS log template. : 11 - Use a generic contact email : address : 2 - "NORTH AMERICAN" for the : tectonic plate. : 1 - use consistent monument : description. : 4 - Consistent cable type : description 1. Site Identification of the GNSS Monument Site Name : Myra Falls Four Character ID : MYRA Monument Inscription : M107001 IERS DOMES Number : (A9) CDP Number : (A4) Monument Description : Concrete Pillar/Aluminum TECH 2000 Pedestal Height of the Monument : 3.0m Monument Foundation : steel threaded rods embedded in bedrock Foundation Depth : 1.5m Marker Description : FORCED CENTERED ALUMINUM PLATE Date Installed : 2010-12-15T00:00Z Geologic Characteristic : BEDROCK Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY) Bedrock Condition : COMPETENT Fracture Spacing : (1-10 cm/11-50 cm/51-200 cm/over 200 cm) Fault zones nearby : Cascadia Subduction Zone, Nootka Fault Distance/activity : (multiple lines) Additional Information : This station is part of the Western Canada : Deformation Array (WCDA). : ******************************************** : The GPS reference mark consists of a : aluminum plate with a forced centered : bolt. The aluminum plate is the top : surface of an aluminum pedestal fastened : onto a concrete pillar using 4 stainless steel : threaded rods. The concrete pillar is fastened : into bedrock with steel threaded rods. : The aluminum pedestal is: : 1.5m high (partially embedded in concrete) : 0.15m in diameter : The concrete pillar is: : ~1.2m high : ~0.35m in diameter : The antenna is fastened to the pedestal : using a tamper resistant mechanism which : permits orientation of the antenna. 2. Site Location Information City or Town : Myra Falls State or Province : BC Country : Canada Tectonic Plate : NORTH AMERICAN Approximate Position (ITRF) X coordinate (m) : -2411986.360 Y coordinate (m) : -3372664.010 Z coordinate (m) : 4830998.520 Latitude (N is +) : +493303.48 Longitude (E is +) : -1253413.64 Elevation (m,ellips.) : +632.0 Additional Information : This station is part of the : Geological Survey of Canada's : Western Canada Deformation Array (WCDA). 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4451241738 Firmware Version : 1.3-0 2010/04/05 Elevation Cutoff Setting : 10.00 Date Installed : 2010-12-14T23:33Z Date Removed : 2014-02-14T00:00Z Temperature Stabiliz. : none Additional Information : station installation 3.2 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4636121870 Firmware Version : 1.3-2 30 Oct 2012 Elevation Cutoff Setting : 0 Date Installed : 2014-02-14T00:00Z Date Removed : 2015-02-17T20:30Z Temperature Stabiliz. : none Additional Information : receiver replaced 3.3 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4451241738 Firmware Version : 1.3-2 30 Oct 2012 Elevation Cutoff Setting : 0 Date Installed : 2015-02-17T20:30Z Date Removed : 2016-01-26T14:45Z Temperature Stabiliz. : none Additional Information : receiver replaced 3.4 Receiver Type : TRIMBLE NETR8 Satellite System : GPS+GLO Serial Number : 4852K33871 Firmware Version : 4.85 Elevation Cutoff Setting : 0 Date Installed : 2016-01-26T14:45Z Date Removed : 2017-09-28T22:00Z Temperature Stabiliz. : none Additional Information : receiver replaced 3.5 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL Serial Number : 3016053 Firmware Version : 5.1.2 Elevation Cutoff Setting : 0 Date Installed : 2017-09-28T22:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : none Additional Information : receiver replaced 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 : AOAD/M_T SCIS Serial Number : 94368 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0.0 Marker->ARP East Ecc(m) : 0.0 Alignment from True N : 0 Antenna Radome Type : SCIS Radome Serial Number : Antenna Cable Type : LMR-400 Antenna Cable Length : 30m Date Installed : 2010-12-14T19:00Z Date Removed : 2017-09-28T22:00Z Additional Information : An amplifier is being used to allow the : combination of a Trimble receiver and : an AOA antenna. 4.2 Antenna Type : SEPCHOKE_B3E6 SPKE Serial Number : 5145 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0.0 Marker->ARP East Ecc(m) : 0.0 Alignment from True N : 0 Antenna Radome Type : SPKE Radome Serial Number : Antenna Cable Type : Andrew FSJ4-50B Antenna Cable Length : 30m Date Installed : 2017-09-28T22:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : antenna replaced; 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 : (if external) Effective Dates : 2010-12-14/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.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 : Geological Survey of Canada Preferred Abbreviation : GSC Mailing Address : 9860 West Saanich Road : P.O. Box 6000 : Sidney,BC : Canada V8L 4B2 Primary Contact Contact Name : Lisa Nykolaishen Telephone (primary) : 250-363-8808 Telephone (secondary) : 250-363-6500 Fax : 250-363-6565 E-mail : pac_gps@nrcan-rncan.gc.ca Secondary Contact Contact Name : Brian Schofield Telephone (primary) : 250-363-6701 Telephone (secondary) : 250-360-6377 Fax : 250-363-6565 E-mail : pac_gps@nrcan-rncan.gc.ca Additional Information : (multiple lines) 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 : ftp://wcda.pgc.nrcan.gc.ca Secondary Data Center : none URL for More Information : http://gsc.nrcan.gc.ca/geodyn Hardcopy on File Site Map : N Site Diagram : N Horizon Mask : N Monument Description : N Site Pictures : N Additional Information : (multiple lines) Antenna Graphics with Dimensions Antenna Diagram A ***************** AOAD/M_T (not to scale) . . . . . . . . . . . . . . . . <-- DOME (SCIS) . . . . . . . . . . . . . . . . ----- . . . . / + \ . . | + | . . +-----------------------------------------------+ . . | | . . | | . . | | . . | | . . +-+------------------------------------------------+-+ . . +-------------------+-------------+------------------+ . | | | | +------X------+ <---------------- 0.000 BPA=ARP [--------------------------------#---------------------------------]<-TOP OF [ ]TECH 2000 [ ] PIER [ ] [ ] # ... Monument Reference Point X ... Antenna Reference Point (ARP) Antenna Diagram B ***************** SEPCHOKE_B3E6 SPKE (not to scale) . . . . . . . . . . . . . . . . . . . <-- DOME (SPKE) . . . . . . . . . . . . . . . . --------------- . <-- 0.1550 . / \ . . | | . . +-----------------------------------------------------+ . <-- 0.1080 TCR . | | . . | | . . | | . . |<-- 0.3630 -->| . . +-----------------+-----------------+-----------------+ . <-- 0.0480 BCR |<-- 0.1210 -->| | | | | NOM=NRP +--------x--------+ <-- 0.0000 BPA=ARP * * (5/8" thread might * * differ from BPA!) * * * * * * STAINLESS * * STELL * * PEDESTAL * * x ... Antenna Reference Point (ARP) AND Monument Reference Point Changes: 16-Sep-2020: ARP changed from BAM to BPA