PTAL 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 : 2023-02-21 Report Type : UPDATE If Update: Previous Site Log : ptal_20221110.log Modified/Added Sections : - 2006-03-01: - site log created : - 2006-06-01: - receiver changed : - 2007-05-03: - receiver/antenna changed : - 2007-12-13: 1, 3.1, 4.1, 4.2, 6.1, 13; : corrected: "date installed", units for : fracture spacing, antenna cable type, antenna : s/n, radome s/n, internal frequency effective : date; added Antenna Diagram B; : - 2008-11-06: 4.1,4.1: removed radome s/n from : antenna s/n lines; : - 2009-07-09: 3.4: firmware upgrade; : - 2010-08-09: 3.5; firmware upgrade; : - 2011-03-24: 1.0; corrected station number from : M027006 to M027000; : 2012-01-16: - cleaned up antenna diagrams; : (removed L1, L2 phase centre : offsets and clarified : ARP location; : 2013-12-19: - 3.6: firmware upgrade; : 2019-03-06: - Form: Modification text too long; : - 1. : Format for "Date Installed"; : - 2. : Latitude and Longitude use : two decimal points : - 3.7: new receiver : - 4.3: new antenna : - Diagram "C" : 2019-03-15: - 2. Set plate to "North American" : - 11.: Contact info : 2020-09-22: - 4.3 Changed ARP: BAM->BPA : -Antenna Diagram C : 2022-11-09: 0 - the recent IGS log template. : 11 - Use a generic contact email : address : 2 - "NORTH AMERICAN" for the : tectonic plate. : 4 - Consistent cable type : description : 2022-11-10: 3.8 - firmware 5.2.0 : 2023-02-21: 3.9 - firmware 5.3.2 : 3.8 - corrected firmware version 1. Site Identification of the GNSS Monument Site Name : Port Alberni Four Character ID : PTAL Monument Inscription : M027000 IERS DOMES Number : (A9) CDP Number : (A4) Monument Description : Stainless Steel Pedestal Height of the Monument : 1.2m Monument Foundation : Stainless Steel rods and epoxy grout Foundation Depth : 1.0m Marker Description : FORCED CENTERED STAINLESS STEEL PLATE Date Installed : 2002-05-08T22:00Z Geologic Characteristic : BEDROCK Bedrock Type : METAMORPHIC Bedrock Condition : WEATHERED Fracture Spacing : 11-50cm Fault zones nearby : Cascadia Subduction Zone Distance/activity : on going low level seismicity Additional Information : This station is part of the Western Canada : Deformation Array (WCDA). : ******************************************* : The GPS reference mark consists of a : stainless steel plate with a forced centered : bolt. The stainless steel plate is the top : surface of a stainless steel pedestal : fastened in bedrock using 4 stainless steel : threaded rods and epoxy grout. : The pedestal is: : 1.2 metres high : 0.152m 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 : Port Alberni State or Province : BC Country : Canada Tectonic Plate : NORTH AMERICAN Approximate Position (ITRF) X coordinate (m) : -2384053.878 Y coordinate (m) : -3422429.044 Z coordinate (m) : 4809283.104 Latitude (N is +) : +491522.79 Longitude (E is +) : -1245139.44 Elevation (m,ellips.) : 92.7 Additional Information : NOTE: - these coordinates are approximate; : - coordinates should not be used to : constrain site in data processing; 3. GNSS Receiver Information 3.1 Receiver Type : LEICA CRS1000 Satellite System : GPS Serial Number : 23163 Firmware Version : 9.00 4.42 1.26 1.20 Elevation Cutoff Setting : 5 Date Installed : 2002-05-08T22:00Z Date Removed : 2006-06-01T19:55Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.2 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 460024 Firmware Version : 3.00 Elevation Cutoff Setting : 5 Date Installed : 2006-06-01T19:55Z Date Removed : 2007-05-03T17:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.3 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4641123489 Firmware Version : 1.1-5 Elevation Cutoff Setting : 5 Date Installed : 2007-05-03T18:00Z Date Removed : 2009-07-09T17:07Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.4 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4641123489 Firmware Version : 1.2-0 26 Apr 2007 Elevation Cutoff Setting : 5 Date Installed : 2009-07-09T17:07Z Date Removed : 2010-08-03T21:35Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.5 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4641123489 Firmware Version : 1.3-0 05 Apr 2010 Elevation Cutoff Setting : 5 Date Installed : 2010-08-03T21:40Z Date Removed : 2013-11-21T22:06Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.6 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4641123489 Firmware Version : 1.3-2 30 Oct 2012 Elevation Cutoff Setting : 5 Date Installed : 2013-11-21T22:10Z Date Removed : 2018-03-20T00:00Z Temperature Stabiliz. : none Additional Information : Remove this receiver 3.7 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL Serial Number : 3016071 Firmware Version : 5.1.2 Elevation Cutoff Setting : 0 Date Installed : 2018-03-21T00:00Z Date Removed : 2022-11-01T22:17Z Temperature Stabiliz. : none Additional Information : new receiver 3.8 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS Serial Number : 3016071 Firmware Version : 5.2.0 Elevation Cutoff Setting : 0 Date Installed : 2022-11-01T22:17Z Date Removed : 2022-11-14T20:58Z Temperature Stabiliz. : none Additional Information : firmware upgrade 3.9 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS Serial Number : 3016071 Firmware Version : 5.3.2 Elevation Cutoff Setting : 0 Date Installed : 2022-11-14T20:58Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : none Additional Information : firmware upgrade 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 : LEIAT504 SCIS Serial Number : 00257 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.000 Marker->ARP North Ecc(m) : 0.000 Marker->ARP East Ecc(m) : 0.000 Alignment from True N : 0 Antenna Radome Type : SCIS Radome Serial Number : 00018 Antenna Cable Type : LMR-400 Antenna Cable Length : 30m Date Installed : 2002-05-08T22:00Z Date Removed : 2007-05-03T17:00Z Additional Information : refer to Antenna Diagram A 4.2 Antenna Type : TRM29659.00 SCIS Serial Number : 0220379562 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.000 Marker->ARP North Ecc(m) : 0.000 Marker->ARP East Ecc(m) : 0.000 Alignment from True N : 0 Antenna Radome Type : SCIS Radome Serial Number : 00018 Antenna Cable Type : LMR-400 Antenna Cable Length : 30m Date Installed : 2007-05-03T18:00Z Date Removed : 2018-03-23T22:00Z Additional Information : refer to Antenna Diagram B 4.3 Antenna Type : SEPCHOKE_B3E6 SPKE Serial Number : 5147 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.000 Marker->ARP North Ecc(m) : 0.000 Marker->ARP East Ecc(m) : 0.000 Alignment from True N : 0 Antenna Radome Type : SPKE Radome Serial Number : Antenna Cable Type : LMR-400 Antenna Cable Length : 30m Date Installed : 2018-03-23T22:45Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : refer to Antenna Diagram C 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 : 2002-05-08/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 : Brian Schofield Telephone (primary) : 250-363-6701 Telephone (secondary) : 250-363-6500 Fax : 250-363-6565 E-mail : pac_gps@nrcan-rncan.gc.ca Secondary 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 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 : ftp://rtopsdata1.geod.nrcan.gc.ca URL for More Information : 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) Additional Information : Hardcopy Information available from : site contact Antenna Graphics with Dimensions Antenna Diagram A ***************** LEIAT504 SCIS (not to scale) . . . . . . . . . . . . . . . . <-- DOME (SCIS) . . . . . . . . . . . . . . . . +-------+ . . / + \ . . | + | . . +-----------------------------------------------+ . . | | . . | | . . | | . . | | . . +-+------------------------------------------------+-+ . . +-------------------+-------------+------------------+ . | | | | | | STAINLESS STEEL | | | | | | SECURITY BOLT-> | | +------X------+ <----|-|--- 0.000 BPA=ARP | | * * | | ============ * * ============ * * STAINLESS STEEL ============ * * ============ SECURITY RING * * * * STAINLESS * * STEEL * * PEDESTAL X ... Antenna Reference Point (ARP) AND Monument Reference Point Antenna Diagram B ***************** TRM29659.00 SCIS (not to scale) . . . . . . . . . . . . . . . . <-- DOME (SCIS) . . . . . . . . . . . . . . . . ----- . . / + \ . . | + | . . +-----------------------------------------------+ . . | | . . | | . . | | . . | | . . +-+------------------------------------------------+-+ . . +-------------------+-------------+------------------+ . | | | | +------X------+ <---------------- 0.000 ARP * * * * * * * * * * * * STAINLESS * * STEEL * * PEDESTAL X ... Antenna Reference Point (ARP) AND Monument Reference Point Antenna Diagram C ***************** 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