NMSU Site Information Form NMSU Continuously Operating Reference Station See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Francine Coloma Date Prepared : 2022-02-10 Report Type : UPDATE If Update: Previous Site Log : nmsu_20150326.log Modified/Added Sections : 3.1, 3.2, 4.1, 4.2 1. Site Identification of the GNSS Monument Site Name : NM State Univ Four Character ID : NMSU Monument Inscription : IERS DOMES Number : (A9) CDP Number : (A4) Monument Description : STEEL MAST Height of the Monument : 8 Monument Foundation : Solid concrete wall of building Foundation Depth : 1.5 m Marker Description : Top of security screw on SCIGN antenna mount Date Installed : 2010-04-15T00:00Z Geologic Characteristic : Consolidated sediment of Rio Grande River Valley 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 : The Trimble Zephyr antenna is attached to a : SCIGN mount (#2419) that is screwed (secured : with lock nut and thread lock) to the top of an : angle iron mast bolted directly to the side of a : solid concrete wall being the east face of the : 1-story Wind Tunnel Research Building on the : NMSU campus (building shared with the : Environmental Health & Safety Laboratory). : Antenna was mounted approximately over the left : side of the Grand Am appearing in nmsu_monu.jpg : 6 ft. long 6"x6" 1/2 inch angle iron mast : Height of antenna is approximately 8 m above : ground 2. Site Location Information City or Town : Las Cruces State or Province : New Mexico Country : United States Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : -1555458.212 Y coordinate (m) : -5169961.019 Z coordinate (m) : 3386818.980 Latitude (N is +) : +321627.37 Longitude (E is +) : -1064440.85 Elevation (m,ellips.) : 1187.5 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 NETRS Satellite System : GPS Serial Number : 4921173170 Firmware Version : 1.2-5 Elevation Cutoff Setting : 5 deg Date Installed : 2010-08-11 Date Removed : 2022-02-10T15:14Z Temperature Stabiliz. : None Additional Information : The Firmware version is 1.2-5 22 October 2007 : The antenna, cable, lightning arrestor, : grounding wire, receiver, interruptible power : supply, and internet connection were all : connected and the system "turned on" : 19 August 2010. : 2022-FEB-10 Receiver replaced 3.2 Receiver Type : TRIMBLE NETR9 Satellite System : GPS Serial Number : 5505R50111 Firmware Version : 5.45 Elevation Cutoff Setting : 0 deg Date Installed : 2022-02-10T17:40Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 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 : TRM41249.00 NONE Serial Number : 60179793 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 : LMR400 Antenna Cable Length : 30 m Date Installed : 2010-07-27 Date Removed : 2022-02-10T15:14Z Additional Information : If needed, the antenna can be removed and the : eccentricities from the domed top of the : security screw on the SCIGN mount nmsu_mark.jpg : to the ARP can be easily measured. The 30 m : cable that came with the receiver is being used. : Less than 10 m is required. Should a shorter : cable be used? The excess cable is readily : accommodated in the receiver box. The antenna : was oriented TRUE north based upon a Solar : observation by E. Burkholder. : 2022-FEB-10 Antenna replaced, SCIGN mount : added 4.2 Antenna Type : TRM57971.00 NONE Serial Number : 30607391 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 : LMR400 Antenna Cable Length : 30 m Date Installed : 2022-02-10T17:40Z 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 : (if external) Effective Dates : 2010-08-11/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 : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/TIME/etc) Status : (PERMANENT/MOBILE) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) 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 : 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) 8.1.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) 8.2.1 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) 8.2.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) 8.3.1 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) 8.3.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) 8.4.1 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) 8.4.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) 8.5.1 Other Instrumentation : None 8.5.x Other Instrumentation : (multiple lines) 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.1 Radio Interference : Antenna farm SE of site - see nmsu_ant_160.jpg Observed Degradations : None to date Effective Dates : 2010-08-19 Additional Information : Known RF activity at the antenna farm includes : telecommunication up-links and down-links. The : RADAR dome is inactive- General Dynamics has : removed all transmitters from the dome. General : Dynamics contact is Dale Sheldon (575) 541-7712. 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) 9.2.1 Multipath Sources : The SCIGN mount and supporting mast were : original suspect. Effective Dates : 2010-08-19 Additional Information : Initial data are to be evaluated for multipath : problems. If the multipath is a problem, then : the antenna mount will need to be re-configured. 9.2.x Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.3.1 Signal Obstructions : Trees will be trimmed in the future as required. Effective Dates : 2010-08-19 Additional Information : The trees in NMSU_ANT_BLDG.JPG are well below : the horizon and not expected to be a problem 9.3.2 Signal Obstructions : Vents on building were deemed to be : inconsequential. Effective Dates : 2010-085-19 Additional Information : See picture of vents NMSU_ANT-190.JPG. 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 10.1 Date : 2010-08-19 Event : None known. 10.x Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : NMSU Engineering Technology & : Surveying Engineering Department Preferred Abbreviation : NMSU ET&SE Mailing Address : P.O Box 30001, Las Cruces, NM 88003 Primary Contact Contact Name : Earl F. Burkholder Telephone (primary) : (575) 532-6185 Telephone (secondary) : (575) 646-2236 Fax : (575) 646-6107 E-mail : eburk@globalcogo.com Secondary Contact Contact Name : Gabe Garcia Telephone (primary) : (575) 646-2236 Telephone (secondary) : Fax : (575) 646-6107 E-mail : gabegarc@nmsu.edu Additional Information : Although Earl F. Burkholder retired July 1, 2010 : he has been granted Emeritus Facutly status and, : until notified otherwise, will continue as the : primary contact. From left, the persons : appearing in nmsu_crew.jpg are : Earl F. Burkholder (primary contact), Mike Brown : Orlando Padilla, and Sam King (students who : fabricated the mast),Garry Neilsen (NM DOT), : Bill Stone (NGS Advisor), and Robert Bilbao : (NMSU Facilities). 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