COBK00USA Site Information Form (site log) SmartNet North America See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Don Haw Date Prepared : 2023-06-07 Report Type : NEW If Update: Previous Site Log : cobk_20220125.log Modified/Added Sections : 3.8 1. Site Identification of the GNSS Monument Site Name : Breckenridge CO Four Character ID : COBK Monument Inscription : IERS DOMES Number : (A9) CDP Number : (A4) Monument Description : ALUMINUM MAST - 3 INCH Height of the Monument : 6.8 m Monument Foundation : CONCRETE Foundation Depth : 0.5 m Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 2017-01-19T00:00Z 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 : The antenna is affixed to a 3" fabricated : aluminum mast via a 5/8" stainless steel : leveling monument adapter and 5/8" SS bolt. The : SS bolt is threaded into a machined 3" solid : aluminum plug that is welded into the mast. The : mast is fastened to a masonry building via a set : of 2 in. slotted strut channel, SS bolts and 3" : fabricated pipe clamps. The upper and lower : strut channel are mounted horizontally and are : affixed to the masonry building using SS bolts : and 3/4" drop-in hollow set wall anchors. : Two 3" fabricated pipe clamp straps are used to : secure the mast to the upper and lower strut : channel using 1/2" SS bolts and a 1/4" bolt : passes thru each clamp and is threaded into the : mast. A vertical section of strut channel is : located directly behind the mast to act as a : spacer for the three additional SS bolts that : pass thru the mast assembly and into three : additional anchors. 2. Site Location Information City or Town : Breckenridge State or Province : Colorado Country : USA Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : -1362360.728 Y coordinate (m) : -4736234.007 Z coordinate (m) : 4039638.041 Latitude (N is +) : +393146.88 Longitude (E is +) : -1060251.68 Elevation (m,ellips.) : 2814.7 Additional Information : ARP IGS08 POSITION (EPOCH 2005.00) : Computed in Mar 2018 using 44 days of data. 3. GNSS Receiver Information 3.1 Receiver Type : LEICA GR30 Satellite System : GPS+GLO Serial Number : 1705255 Firmware Version : 4.11/6.522 Elevation Cutoff Setting : 0 deg Date Installed : 2017-01-19T00:00Z Date Removed : 2018-01-22 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.2 Receiver Type : LEICA GR30 Satellite System : GPS+GLO Serial Number : 1705255 Firmware Version : 4.11/7.102 Elevation Cutoff Setting : 0 deg Date Installed : 2018-01-22 Date Removed : 2018-02-13T11:28Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware upgrade 3.3 Receiver Type : LEICA GR30 Satellite System : GPS+GLO Serial Number : 1705255 Firmware Version : 4.20/7.300 Elevation Cutoff Setting : 0 deg Date Installed : 2018-02-13T11:28Z Date Removed : 2018-08-01T14:38Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware upgrade 3.4 Receiver Type : LEICA GR30 Satellite System : GPS+GLO Serial Number : 1705255 Firmware Version : 4.30/7.402 Elevation Cutoff Setting : 0 deg Date Installed : 2018-08-01T14:38Z Date Removed : 2021-07-14T20:13Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware upgrade 3.5 Receiver Type : LEICA GR30 Satellite System : GPS+GLO Serial Number : 1705255 Firmware Version : 4.50/7.710 Elevation Cutoff Setting : 0 deg Date Installed : 2021-07-14T20:13Z Date Removed : 2021-10-19T19:26Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware upgrade 3.6 Receiver Type : LEICA GR30 Satellite System : GPS+GLO Serial Number : 1705255 Firmware Version : 4.51/7.710 Elevation Cutoff Setting : 0 deg Date Installed : 2021-10-19T19:26Z Date Removed : 2022-01-20 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware upgrade 3.7 Receiver Type : LEICA GR30 Satellite System : GPS+GLO Serial Number : 1705255 Firmware Version : 4.52/7.711 Elevation Cutoff Setting : 0 deg Date Installed : 2022-01-20 Date Removed : 2023-05-06T03:27Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware upgrade 3.8 Receiver Type : LEICA GR30 Satellite System : GPS+GLO Serial Number : 1705255 Firmware Version : 4.61/7.811 Elevation Cutoff Setting : 0 deg Date Installed : 2023-05-06T03:27Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : firmware upgrade 3.x Receiver Type : (A20, 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 : LEIAR10 NONE Serial Number : 19216015 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 : Times Microwave LMR400 Antenna Cable Length : 38.4 m Date Installed : 2017-01-19T00:00Z 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 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/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 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) 9.1.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) 9.2.1 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 : SmartNet North America Preferred Abbreviation : SMRTNT Mailing Address : 5051 Peachtree Corners Circle : Suite 250 : Norcross, Georgia 30092 Primary Contact Contact Name : SmartNet NA Telephone (primary) : 770-326-9500 x 1430 Telephone (secondary) : Fax : E-mail : support@smartnetna.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 : ftp://rinex.smartnetna.com Secondary Data Center : URL for More Information : http://www.smartnetna.com 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