YEL3 Site Information Form (site log) International GNSS Service See Instructions at: ftp://igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : CACS Operations Date Prepared : 2023-06-10 Report Type : UPDATE If Update: Previous Site Log : yel3_20190318.log Modified/Added Sections : 3.6, 3.7, 6.2, 6.3 1. Site Identification of the GNSS Monument Site Name : YEL3 CACS-GSD Four Character ID : YEL3 Monument Inscription : M089001 IERS DOMES Number : 40127M007 CDP Number : Monument Description : 20 cm diameter aluminum cylinder Height of the Monument : 1.70 (m) Monument Foundation : Exposed bedrock Foundation Depth : 4.00 (m) Marker Description : welded plate with a centered 5/8th inch bolt Date Installed : 2008-11-15T19:25Z Geologic Characteristic : Bedrock Bedrock Type : Bedrock Condition : Fresh Fracture Spacing : 10-50 cm Fault zones nearby : Distance/activity : Additional Information : The GNSS reference mark consists of a 0.20 m : diameter stainless steel cylinder, 1.7 m high : above ground and drilled into bedrock to a : depth of approx. 4.0 m. The top of the : monument is fitted with a stainless steel cap : welded to the pipe and fitted with a centered : 5/8 inch bolt which serves as a mount for the : GNSS antenna. 2. Site Location Information City or Town : Yellowknife State or Province : NT Country : Canada Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : -1224494.60 Y coordinate (m) : -2689241.10 Z coordinate (m) : 5633616.80 Latitude (N is +) : +622851.24 Longitude (E is +) : -1142850.52 Elevation (m,ellips.) : 181.00 Additional Information : YEL3 is a continuously tracking GNSS station : and is part of the Canadian Active Control : System (CACS). The station is located at the : Geological Survey of Canada's Geomagnetism : Observatory and Seismic Array in Yellowknife, : Northwest Territories.The station is : collocated with the YELL GNSS station, the : YEL2 GNSS station, the VLBI reference mark : and the French Space Agency's DORIS beacon. 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : UC2200511007 Firmware Version : UJ00 Elevation Cutoff Setting : 10 Date Installed : 2008-11-15T19:25Z Date Removed : 2010-06-26T23:59Z Temperature Stabiliz. : Additional Information : 3.2 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL Serial Number : 00403 Firmware Version : 3.5.0 Elevation Cutoff Setting : 5 Date Installed : 2012-08-30T20:00Z Date Removed : 2013-07-17T19:00Z Temperature Stabiliz. : Additional Information : Additional Information : Corrected receiver type on 2015-03-06. : Previous Javad entry had receiver incorrectly : named JAVAD TRE_G3T DELTA. : Corrected satellite system to include GAL on : 2015-05-06. 3.3 Receiver Type : TPS NET-G3A Satellite System : GPS+GLO Serial Number : 618-02371 Firmware Version : 3.6 Feb,28,2012 p1 Elevation Cutoff Setting : 5 Date Installed : 2013-07-17T20:00Z Date Removed : 2015-02-11T18:20Z Temperature Stabiliz. : Additional Information : 3.4 Receiver Type : TPS NET-G3A Satellite System : GPS+GLO Serial Number : 618-02371 Firmware Version : 4.1 May,31,2013 Elevation Cutoff Setting : 5 Date Installed : 2015-02-11T18:45Z Date Removed : 2018-02-01T16:55Z Temperature Stabiliz. : Additional Information : 3.5 Receiver Type : TPS NET-G5 Satellite System : GPS+GLO Serial Number : 1294-11309 Firmware Version : 5.1 Jun,15,2017 p3 Elevation Cutoff Setting : 5 Date Installed : 2018-02-01T19:31Z Date Removed : 2019-03-18T18:09Z Temperature Stabiliz. : Additional Information : 3.6 Receiver Type : TPS NET-G5 Satellite System : GPS+GLO Serial Number : 1294-11309 Firmware Version : 5.2.2 Dec,06,2018 Elevation Cutoff Setting : 5 Date Installed : 2019-03-18T21:30Z Date Removed : 2023-06-05T18:19Z Temperature Stabiliz. : Additional Information : 3.7 Receiver Type : SEPT POLARX5S Satellite System : GPS+GLO+GAL Serial Number : 3088206 Firmware Version : 5.5.0 Elevation Cutoff Setting : 5 Date Installed : 2023-06-05T20:56Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : Additional Information : 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 : Date Installed : (CCYY-MM-DDThh:mmZ) Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : 4. GNSS Antenna Information 4.1 Antenna Type : AOAD/M_T NONE Serial Number : KW-9493-01 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.0500 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0.0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Heliax-VXL5-50 Antenna Cable Length : 100.00 (m) Date Installed : 2008-11-15T19:25Z Date Removed : 2010-06-26T23:59Z Additional Information : 4.2 Antenna Type : NOV750.R4 NONE Serial Number : 09470002 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.0500 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0.0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Heliax-VXL5-50 Antenna Cable Length : 100.00 (m) Date Installed : 2012-08-30T20:00Z Date Removed : 2013-07-17T15:00Z Additional Information : 4.3 Antenna Type : TPSCR.G3 NONE Serial Number : 383-0468 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.0500 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0.0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Heliax-VXL5-50 Antenna Cable Length : 100.00 (m) Date Installed : 2013-07-18T10:00Z Date Removed : 2013-10-16T15:00Z Additional Information : 4.4 Antenna Type : TPSCR.G3 NONE Serial Number : 383-0468 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.0500 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0.0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : ANDREW LDF4.5-50A Antenna Cable Length : 100.00 (m) Date Installed : 2013-10-16T23:30Z Date Removed : 2017-01-25T23:00Z Additional Information : 4.5 Antenna Type : TWIVP6050_CONE NONE Serial Number : 605000006161102 Antenna Reference Point : ARP Marker->ARP Up Ecc. (m) : 000.1377 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0.0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : ANDREW LDF4.5-50A Antenna Cable Length : 100.00 (m) Date Installed : 2017-01-26T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : 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 : 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 : 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) : Survey method : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc) Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : 6. Frequency Standard 6.1 Standard Type : INTERNAL Input Frequency : Effective Dates : 2008-11-15/2012-08-30 Notes : 6.2 Standard Type : MASER Input Frequency : 5 Effective Dates : 2012-08-30/2023-06-05 Notes : 6.3 Standard Type : INTERNAL Input Frequency : Effective Dates : 2023-06-05 Notes : 6.x Standard Type : (INTERNAL or EXTERNAL H-MASER/CESIUM/etc) Input Frequency : (if external) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : 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 : 8. Meteorological Instrumentation 8.1.x Humidity Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy (% rel h) : (% 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 : 8.2.x Pressure Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy : (hPa) Aspiration : Height Diff to Ant : (CCYY-MM-DD) (m) Calibration date : (CCYY-MM-DD/CCYY-MM-DD) Effective Dates : Notes : 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 : 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 : 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 : NRCan/GEODETIC SURVEY OF CANADA Preferred Abbreviation : NRCan Mailing Address : 588 Booth Street, Ottawa, Ontario : Canada, K1A 0Y7 Primary Contact Contact Name : CACS Operations Telephone (primary) : +1-613-860-1962 Telephone (secondary) : Fax : E-mail : geodetic.informationservices@nrcan.gc.ca Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 12. Responsible Agency (if different from 11.) Agency : (multiple lines) Preferred Abbreviation : (A10) 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 : 13. More Information Primary Data Center : NRCan Secondary Data Center : CDDIS URL for More Information : webapp.csrs.nrcan.gc.ca/geod/data-donnees/cacs-scca.php Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Site Pictures : Additional Information : Antenna Graphics with Dimensions Type: AOAD/M_T ----- / \ | | +-------------------------------------------------+ <-- 0.1020 TCR | | | | | | | | +-+-------------------------------------------------+-+ <-- 0.0380 +-------------------+-------------+-------------------+ <-- 0.0350 BCR | | | | +------x------+ <--+ <-- 0.0000 BPA=ARP | | | Mount => | | 0.050m | +-+ | | +-------------------+=====| |=====+-------------------+ <--- MRP |<-- 0.3810 -->| | | | | | Concrete pillar | | | | | Type: NOV750.R4 +-------+ <-- 0.1995 / \ +---+-------------+---+ <-- 0.1599 TCR | | |---------------------------| |---------------------------------| |---------------------------------------| +---------------------------------------------+ | | | | +-+---------------------------------------------+-+ +-----------------+-------------+-----------------+ <-- 0.0320 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.3802 --> Type: TPSCR.G3 +-------+ / + \ | + | +-----------------+-------------+------------------+ <-- 0.1015 TCR | | | | | | | | +-+--------------------------------------------------+-+ +-------------------+-------------+--------------------+ <-- 0.0345 BCR | | | | +------x------+ <-- 0.000 BPA=ARP <-- 0.238 --> <-- 0.380 --> Type: TWIVP6050_CONE . ^ . <-- 0.1899 . . . . . . . . . . | | | | | | | | | | | | | | +-----------------------------------+ +-----------------------------------+ \ / +---------------------------+ | | +-----------+---+-----------+ \_/ | | +-x-+ <-- 0.0000 BAM=ARP NOM=NRP <-- 0.1099 --> <-- 0.1670 --> ARP: Antenna Reference Point MRP: Monument Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering TPA: Top of Preamplifier BPA: Bottom of Preamplifier NOM: North Orientation Mark BAM: Bottom of Antenna Mount NRP: North Reference Point