DP3A Site Information Form DCOGIS 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 Date Prepared : 2022-04-26 Report Type : UPDATE If Update: Previous Site Log : dp3a_20211115.log Modified/Added Sections : 3.10 1. Site Identification of the GNSS Monument Site Name : NAPERVILLE COOP Four Character ID : DP3A Monument Inscription : IERS DOMES Number : (A9) CDP Number : (A4) Monument Description : STEEL MAST Height of the Monument : (m) Monument Foundation : Side of ROOF Foundation Depth : (m) Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 2004-10-05T00:00Z Geologic Characteristic : GLACIAL TILL/BEDROCK Bedrock Type : SEDIMENTARY Bedrock Condition : FRESH Fracture Spacing : 1-10 cm Fault zones nearby : YES Sandwich Fault Distance/activity : inactive Additional Information : ANTENNA MOUNTED ON ROOF OF : NAPERVILLE POLICE STATION 2. Site Location Information City or Town : Naperville State or Province : Illinois Country : United States Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : 151578.575 Y coordinate (m) : -4762165.689 Z coordinate (m) : 4226286.328 Latitude (N is +) : +414553.49 Longitude (E is +) : -0881036.86 Elevation (m,ellips.) : 191.0 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 SR530 Satellite System : GPS Serial Number : 034785 Firmware Version : 4.2 Elevation Cutoff Setting : 10 deg Date Installed : 2004-10-12 Date Removed : 2005-01-12 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.2 Receiver Type : LEICA SR530 Satellite System : GPS Serial Number : 132129 Firmware Version : 5.0 Elevation Cutoff Setting : 10 deg Date Installed : 2005-01-12 Date Removed : 2007-11-01 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.3 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355298 Firmware Version : 5.60/3.014 Elevation Cutoff Setting : 10 deg Date Installed : 2007-11-01 Date Removed : 2009-06-11 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware upgrade. 3.4 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355298 Firmware Version : 7.5 Elevation Cutoff Setting : 10 deg Date Installed : 2009-06-11 Date Removed : 2009-08-04 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware upgrade. 3.5 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355298 Firmware Version : 7.50 Elevation Cutoff Setting : 10 deg Date Installed : 2009-08-04 Date Removed : 2013-05-02T15:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Receiver replaced for GNSS capability 3.6 Receiver Type : LEICA GR10 Satellite System : GPS+GLO Serial Number : 1701559 Firmware Version : 2.62/6.112 Elevation Cutoff Setting : 5 deg Date Installed : 2013-05-02T18:00Z Date Removed : 2020-01-24T20:30Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware update 3.7 Receiver Type : LEICA GR10 Satellite System : GPS+GLO Serial Number : 1701559 Firmware Version : 3.03/6.214 Elevation Cutoff Setting : 5 deg Date Installed : 2020-01-24T20:40Z Date Removed : 2020-08-13T19:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.8 Receiver Type : LEICA GR10 Satellite System : GPS+GLO Serial Number : 1701559 Firmware Version : 4.31/6.525 Elevation Cutoff Setting : 5 deg Date Installed : 2020-09-02T00:00Z Date Removed : 2021-03-27T05:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new firmware 3.9 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355381 Firmware Version : 8.20 Elevation Cutoff Setting : 5 deg Date Installed : 2021-05-26T09:00Z Date Removed : 2021-06-16 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new receiver 3.10 Receiver Type : LEICA GR10 Satellite System : GPS+GLO Serial Number : 1701559 Firmware Version : 4.50/6.524 Elevation Cutoff Setting : 5 deg Date Installed : 2021-06-16 Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : replaced receiver, firmware : corrected FW on 2022-04-26 (doy 116) 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 : 1391 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 : (deg; + is clockwise/east) Antenna Radome Type : LEIS Radome Serial Number : Antenna Cable Type : Exterior Coax Antenna Cable Length : 35 m Date Installed : 2003-10-05 Date Removed : 2013-05-02T15:00Z Additional Information : Antenna replaced for GNSS capability 4.2 Antenna Type : LEIAS10 NONE Serial Number : 12411020 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 : 350 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Exterior Coax Antenna Cable Length : 35 m Date Installed : 2013-05-02T18:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : 06-MAY-2013 fix radome type : 28-JAN-2020 added North orientation 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 or EXTERNAL H-MASER/CESIUM/etc) Input Frequency : (if external) Effective Dates : (CCYY-MM-DD/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 Status : PERMANENT Effective Dates : 2004-10-12 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 : DuPage County / GIS Division Preferred Abbreviation : DCOGIS Mailing Address : 421 N County Farm Rd : Wheaton, IL 60187-3989 Primary Contact Contact Name : Robb Schuldt Telephone (primary) : 630-407-5022 Telephone (secondary) : Fax : E-mail : robert.schuldt@dupageco.org Secondary Contact Contact Name : Dupage Operations Telephone (primary) : Telephone (secondary) : Fax : E-mail : benchmarks@dupageco.org Additional Information : gis@dupageco.org 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