ARM300USA Site Information Form AR2730 Continuously Operating Reference Station See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Don Haw as per Arnold Knox, P.E., L.S. Date Prepared : 2024-02-13 Report Type : UPDATE If Update: Previous Site Log : arm3_20210315.log Modified/Added Sections : 3.7, 4.3 1. Site Identification of the GNSS Monument Site Name : Mountain Home 3 Four Character ID : ARM3 Monument Inscription : IERS DOMES Number : (A9) CDP Number : (A4) Monument Description : Reinforced Concrete pillar Height of the Monument : 2.50 m Monument Foundation : Reinforced Concrete Foundation Depth : 4.11 m Marker Description : ARP Date Installed : 2008-10-15T00:00Z Geologic Characteristic : CLAY 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 : NO Distance/activity : (multiple lines) Additional Information : Concrete Foundation goes 4.11 m into ground : with #4 rebar continuous through the monument. 2. Site Location Information City or Town : Mountain Home State or Province : Arkansas Country : United States Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : -212916.302 Y coordinate (m) : -5137582.741 Z coordinate (m) : 3761395.885 Latitude (N is +) : +362209.27 Longitude (E is +) : -0922223.32 Elevation (m,ellips.) : 227.7 Additional Information : ARP IGS08 POSITION (EPOCH 2005.00) : Computed in Aug 2011 using data through gpswk : 1631. 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE NETR5 Satellite System : GPS Serial Number : 4937K63605 Firmware Version : 4.03 Elevation Cutoff Setting : 0 deg Date Installed : 2009-10-31T12:00Z Date Removed : 2010-09-29T03:05Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Corrected invalid satellite system 3.2 Receiver Type : TRIMBLE NETR5 Satellite System : GPS Serial Number : 4937K63605 Firmware Version : 4.40 Elevation Cutoff Setting : 0 deg Date Installed : 2010-09-29T03:08Z Date Removed : 2018-03-29T17:03Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : New firmware : Corrected invalid satellite system : 08-JUN-2015 FSC correct firmware version : was "4.17" for SP 4.17 3.3 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5750R51721 Firmware Version : 5.33 Elevation Cutoff Setting : 0 deg Date Installed : 2018-03-29T17:08Z Date Removed : 2019-04-02T11:48Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware update 3.4 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5750R51721 Firmware Version : 5.37 Elevation Cutoff Setting : 0 deg Date Installed : 2019-04-02T11:48Z Date Removed : 2019-11-01T13:42Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.5 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5750R51721 Firmware Version : 5.43 Elevation Cutoff Setting : 0 deg Date Installed : 2019-11-01T13:42Z Date Removed : 2020-10-20T18:17Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware 3.6 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5750R51721 Firmware Version : 5.45 Elevation Cutoff Setting : 0 deg Date Installed : 2020-10-20T18:17Z Date Removed : 2024-02-11T13:22Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware 3.7 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 6328R40020 Firmware Version : 6.23/5.63 Elevation Cutoff Setting : 0 deg Date Installed : 2024-02-11T13:22Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new receiver and firmware 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 : 1440921007 Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 0.0000 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : CAxT corporation L4A-PNMNM-410 cable Antenna Cable Length : 106 m Date Installed : 2008-10-15T12:00Z Date Removed : 2018-03-29T17:03Z Additional Information : Magnetic Declination taken as 1 deg 28' East : 12-MAR-2018 FSC correct ARP value 4.2 Antenna Type : TRM115000.00 NONE Serial Number : 1431049878 Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 0.0000 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : CAxT corporation L4A-PNMNM-410 cable Antenna Cable Length : 106 m Date Installed : 2018-03-29T17:08Z Date Removed : 2024-02-11T13:22Z Additional Information : New Antenna 4.3 Antenna Type : TRM115000.00 NONE Serial Number : 63433G0054 Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 0.0000 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : CAxT corporation L4A-PNMNM-410 cable Antenna Cable Length : 106 m Date Installed : 2024-02-11T13:22Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : new antenna 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 : 2009-10-31/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 Interference : (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/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 : City of Mountain Home Preferred Abbreviation : AR2730 Mailing Address : 2903 Highway 201 North : Mountain Home, AR 72653 Primary Contact Contact Name : Arnold Knox Telephone (primary) : 870-425-4708 Telephone (secondary) : Fax : E-mail : aknox@cityofmountainhome.com Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : 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 : https://geodesy.noaa.gov/corsdata/ Secondary Data Center : URL for More Information : https://geodesy.noaa.gov/CORS 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 https://files.igs.org/pub/station/general/antenna.gra