YBRA 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) : Susan Jeffries Date Prepared : 2023-08-30 Report Type : UPDATE If Update: Previous Site Log : ybra_20181003.log Modified/Added Sections : (n.n,n.n,...) 1. Site Identification of the GNSS Monument Site Name : RedLodge_US_2014 Four Character ID : YBRA Monument Inscription : IERS DOMES Number : (A9) CDP Number : (A4) Monument Description : PERMANENT STATION UNSPECIFIED Height of the Monument : (m) Monument Foundation : (STEEL RODS, CONCRETE BLOCK, ROOF, etc) Foundation Depth : (m) Marker Description : NONE Date Installed : 2014-05-30 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 : *Station has been closed* 2. Site Location Information City or Town : Red Lodge State or Province : Montana Country : United States Tectonic Plate : North America Approximate Position (ITRF) X coordinate (m) : -1468132.682 Y coordinate (m) : -4263766.9048 Z coordinate (m) : 4498401.7584 Latitude (N is +) : +450719.56 Longitude (E is +) : -1090000.00 Elevation (m,ellips.) : 2072.518 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE NETR9 Satellite System : GPS Serial Number : 5246K53372 Firmware Version : 4.85 Elevation Cutoff Setting : deg Date Installed : 2014-05-29T00:02Z Date Removed : 2016-06-07T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.2 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+BDS Serial Number : 5246K53372 Firmware Version : 4.85 Elevation Cutoff Setting : deg Date Installed : 2016-06-08T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : none Additional Information : Bob Wang enabled GLONASS and BeiDou on June 8, : 2016. No data between 09-JUN-2016 and : 16-JUN-2022 due to power issue. 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 NONE Serial Number : 5000119044 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : (deg; + is clockwise/east) Antenna Radome Type : NONE Radome Serial Number : 0000 Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2014-05-29T00:01Z 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 : 2014-05-29/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 8.1.1 Humidity Sensor Model : WXT520 Manufacturer : Vaisala Serial Number : K1940014 Data Sampling Interval : Accuracy (% rel h) : Aspiration : Height Diff to Ant : Calibration date : (CCYY-MM-DD) Effective Dates : 2014-05-29/CCYY-MM-DD Notes : (multiple lines) 8.2.1 Pressure Sensor Model : WXT520 Manufacturer : Vaisala Serial Number : K1940014 Data Sampling Interval : Accuracy : Height Diff to Ant : Calibration date : (CCYY-MM-DD) Effective Dates : 2014-05-29/CCYY-MM-DD Notes : (multiple lines) 8.3.1 Temp. Sensor Model : WXT520 Manufacturer : Vaisala Serial Number : K1940014 Data Sampling Interval : Accuracy : Aspiration : Height Diff to Ant : Calibration date : (CCYY-MM-DD) Effective Dates : 2014-05-29/CCYY-MM-DD Notes : (multiple lines) 8.4.1 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 : UNAVCO Preferred Abbreviation : UNAVCO Mailing Address : UNAVCO, Inc. : 6530 Nautilus Dr. : : Boulder CO USA 80301 Primary Contact Contact Name : Jim Normandeau Telephone (primary) : 303-381-7475 Telephone (secondary) : Fax : 303-381-7451 E-mail : jim.normandeau@earthscope.org Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : Preferred Abbreviation : 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 : (multiple lines) 13. More Information Primary Data Center : UNAVCO Boulder Facility Archive Secondary Data Center : URL for More Information : https://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 TRM115000.00 TRM115000.10 TRM55971.00 TRM57971.00 TRM77971.00 RNG80971.00 / --------------------------------------------- \ + + \ --------------------------------------------- / \ / \ / \-----x-----/ <-- 0.0000 BAM=ARP RXC=NRP <-- 0.3396 --> Notches