NVLA Site Information Form LVVWD Continuously Operating Reference Station See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Sarah Conway Date Prepared : 2021-10-13 Report Type : UPDATE If Update: Previous Site Log : nvla_20210830.log Modified/Added Sections : 11 1. Site Identification of the GNSS Monument Site Name : Laughlin Four Character ID : NVLA Monument Inscription : IERS DOMES Number : (A9) CDP Number : (A4) Monument Description : Powder Coated Steel Mast 1.7 m in length : attached to concrete block wall filled with : concrete. Height of the Monument : 1.0 m above top of concrete block wall to : bottom of antenna mount. Monument Foundation : Concrete + rebar Foundation Depth : 1.5 m Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 2008-04-30T00:00Z Geologic Characteristic : BEDROCK Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY) Bedrock Condition : 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 : Foundation depth of building is 3 ft ( 0.91 m ) 2. Site Location Information City or Town : Laughlin State or Province : Nevada Country : United States Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : -2171177.750 Y coordinate (m) : -4746686.497 Z coordinate (m) : 3653450.360 Latitude (N is +) : +351014.25 Longitude (E is +) : -1143447.24 Elevation (m,ellips.) : 162.1 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 : LEICA GRX1200PRO Satellite System : GPS Serial Number : 456760 Firmware Version : 7.53 Elevation Cutoff Setting : 0 deg Date Installed : 2008-04-30 Date Removed : 2010-05-12 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Housed within an insulated fiberglass climate : controlled building 3.2 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 456760 Firmware Version : 7.80 Elevation Cutoff Setting : 0 deg Date Installed : 2010-05-12 Date Removed : 2010-05-28 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware 3.3 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 456760 Firmware Version : 7.80/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2010-05-28 Date Removed : 2012-12-12 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware 3.4 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 456760 Firmware Version : 7.80/2.127 Elevation Cutoff Setting : 0 deg Date Installed : 2012-12-12 Date Removed : 2013-01-16 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware 3.5 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 456760 Firmware Version : 8.51/2.127 Elevation Cutoff Setting : 0 deg Date Installed : 2013-01-16 Date Removed : 2014-05-09 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware 3.6 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 456760 Firmware Version : 8.71/2.127 Elevation Cutoff Setting : 0 deg Date Installed : 2014-05-09 Date Removed : 2015-09-30 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware 3.7 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 456760 Firmware Version : 9.20/2.127 Elevation Cutoff Setting : 0 deg Date Installed : 2015-09-30 Date Removed : 2016-11-15T22:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware 3.8 Receiver Type : LEICA GR30 Satellite System : GPS+GLO+GAL Serial Number : 1705241 Firmware Version : 4.00/7.001 Elevation Cutoff Setting : 0 deg Date Installed : 2016-11-15T23:37Z Date Removed : 2016-12-23T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : New receiver 3.9 Receiver Type : LEICA GR30 Satellite System : GPS+GLO+GAL Serial Number : 1705241 Firmware Version : 4.02/7.002 Elevation Cutoff Setting : 0 deg Date Installed : 2016-12-23T00:00Z Date Removed : 2018-01-23T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware 3.10 Receiver Type : LEICA GR30 Satellite System : GPS+GLO+GAL Serial Number : 1705241 Firmware Version : 4.11/7.102 Elevation Cutoff Setting : 0 deg Date Installed : 2018-01-23T00:00Z Date Removed : 2018-02-12T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware 3.11 Receiver Type : LEICA GR30 Satellite System : GPS+GLO+GAL Serial Number : 1705241 Firmware Version : 4.20/7.300 Elevation Cutoff Setting : 0 deg Date Installed : 2018-02-12T00:00Z Date Removed : 2019-01-31T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware 3.12 Receiver Type : LEICA GR30 Satellite System : GPS+GLO+GAL Serial Number : 1705241 Firmware Version : 4.31/7.403 Elevation Cutoff Setting : 0 deg Date Installed : 2019-01-31T00:00Z Date Removed : 2021-08-12T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware 3.13 Receiver Type : LEICA GR30 Satellite System : GPS+GLO+GAL Serial Number : 1705241 Firmware Version : 4.50/7.710 Elevation Cutoff Setting : 0 deg Date Installed : 2021-08-12T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : 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 : LEIAT504 LEIS Serial Number : 103071 Antenna Reference Point : BPA 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 : LEIS Radome Serial Number : Antenna Cable Type : Leica LMR 400 Antenna Cable Length : 10 m Date Installed : 2010-02-08 Date Removed : 2016-11-15T22:00Z Additional Information : Antenna attached to powder coated steel mast : with SECO CORS Leveling Monument Adaptor 2072-31 : Previosly site had orienting device only 4.2 Antenna Type : LEIAR10 NONE Serial Number : 18166010 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 : Leica LMR 400 Antenna Cable Length : 10 m Date Installed : 2016-11-15T23:37Z 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 : 2008-04-30/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 : (multiple lines) 8.5.x Other Instrumentation : (multiple lines) 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.1 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) 9.1.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 : (METAL ROOF/DOME/VLBI ANTENNA/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) 9.3.1 Signal Obstructions : (TREES/BUILDLINGS/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 10.1 Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 10.x Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : Las Vegas Valley Water District Preferred Abbreviation : LVVWD Mailing Address : 1001 South Valley View Blvd. : Las Vegas Nevada 89107-4447 Primary Contact Contact Name : Justin Wright Telephone (primary) : 702-862-3471 Telephone (secondary) : 702-250-1587 Fax : 702-822-3350 E-mail : justin.wright@lvvwd.com Secondary Contact Contact Name : Jon Wooten Telephone (primary) : 702-875-7075 Telephone (secondary) : 702-274-5105 Fax : 702-822-3350 E-mail : jon.wooten@lvvwd.com Additional Information : http://www.lvvwd.com 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