LTW2 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) : Maciej Bazanowski Date Prepared : 2020-10-27 Report Type : NEW If Update: Previous Site Log : Modified/Added Sections : 1. Site Identification of the GNSS Monument Site Name : LAWRENCETOWN NSACS Four Character ID : LTW2 Monument Inscription : 250041 (labelled) IERS DOMES Number : 44302M002 CDP Number : Monument Description : STEEL MAST Height of the Monument : 6.1 (m) Monument Foundation : STRUCURAL STEEL Foundation Depth : 0.00 (m) Marker Description : THREADED BOLT AT TOP OF MAST 5/8 Date Installed : 2020-09-03 Geologic Characteristic : GRAVEL/SAND Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : This station is part of the Nova Scotia Active : Control Stations network. The GPS reference mark : consists of a 5/8" steel bolt at the top of a : steel mast. The mast is attached to the exterior : brick wall of the building. The antenna is : attached to the threaded bolt of a 0.0770 m high : SECO mount screwed to the top of the GPS : reference mark (bolt). 2. Site Location Information City or Town : LAWRENCETOWN State or Province : NS Country : CANADA Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : 1900992.573 Y coordinate (m) : -4108156.946 Z coordinate (m) : 4478270.395 Latitude (N is +) : +445304.12705 Longitude (E is +) : -0651005.93503 Elevation (m,ellips.) : 12.547 Additional Information : LTW2 is a continuously tracking GNSS site of the : NSACS network located at: : Nova Scotia Community College (NSCC) : Centre of Geographic Sciences (COGS) : 50 Elliott Road, Lawrencetown, NS : The receiver is located in the gym on the main : level of the college. 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5649R51114 Firmware Version : 5.44 Elevation Cutoff Setting : 0 Date Installed : 2020-09-03 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 : TRM59900.00 NONE Serial Number : 5247360688 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0770 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0.0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : LMR400 Antenna Cable Length : 30.00 (m) Date Installed : 2020-09-03 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 : 2020-09-03 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 : Service Nova Scotia & Internal Services Preferred Abbreviation : SNS-IS Mailing Address : 5161 George St, Halifax, NS Primary Contact Contact Name : Maciej Bazanowski Telephone (primary) : +1-902-222-8763 Telephone (secondary) : +1-902-424-4166 Fax : E-mail : maciej.bazanowski@novascotia.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, CGS Secondary Data Center : Service Nova Scotia URL for More Information : Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Site Pictures : Additional Information : Antenna Graphics with Dimensions TRM59800.00 ----- / \ | | +-------------------------------------------------+ <-- 0.1791 TCR | | | | | | | | +-+-------------------------------------------------+-+ <-- 0.1152 +-------------------+-------------+-------------------+ <-- 0.1121 BCR <-- | 0.3810 | --> =| | RXC=NRP +======| |======+ <-- 0.0771 BPA=ARP | | | SECO Mount | | | +======| |======+ <-- 0.0000 MRP | | | Steel | | Mast | ARP: Antenna Reference Point MRP: Monument Reference Point TCR: Top of Chokering BCR: Bottom of Chokering BPA: Bottom of Preamplifier NRP: North Reference Point RXC: receiver connector (connect antenna to external receiver)