SNFD Site Information Form NCGS Continuously Operating Reference Station See Instructions at: ftp://www.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Don Haw Date Prepared : 2020-05-22 Report Type : UPDATE If Update: Previous Site Log : snfd_20200117.log Modified/Added Sections : 3.16, 4.1 1. Site Identification of the GNSS Monument Site Name : Sanford Four Character ID : SNFD Monument Inscription : IERS DOMES Number : 49692S001 CDP Number : (A4) Monument Description : STEEL MAST on chimney Height of the Monument : (m) Monument Foundation : brick chimney Foundation Depth : (m) Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 2002-03-21T00:00Z 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 : Added DOMES Number 2. Site Location Information City or Town : Sanford State or Province : North Carolina Country : United States Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : 978158.178 Y coordinate (m) : -5107368.343 Z coordinate (m) : 3680831.168 Latitude (N is +) : +352824.70 Longitude (E is +) : -0790929.00 Elevation (m,ellips.) : 94.1 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 : TRIMBLE 4700 Satellite System : GPS Serial Number : 20221434 Firmware Version : 1.30 Elevation Cutoff Setting : (deg) Date Installed : 2002-03-21T22:00Z Date Removed : 2012-06-28T15:45Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.2 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4514247620 Firmware Version : 1.1-5 Elevation Cutoff Setting : (deg) Date Installed : 2012-06-28T15:45Z Date Removed : 2013-01-22T20:20Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Receiver replaced 3.3 Receiver Type : TRIMBLE NETR9 Satellite System : GPS Serial Number : 5249K40327 Firmware Version : 4.62 Elevation Cutoff Setting : (deg) Date Installed : 2013-01-22T20:20Z Date Removed : 2014-04-23T03:55Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.4 Receiver Type : TRIMBLE NETR9 Satellite System : GPS Serial Number : 5249K40327 Firmware Version : 4.80 Elevation Cutoff Setting : (deg) Date Installed : 2014-04-23T03:55Z Date Removed : 2014-06-28T04:44Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.5 Receiver Type : TRIMBLE NETR9 Satellite System : GPS Serial Number : 5249K40327 Firmware Version : 4.85 Elevation Cutoff Setting : (deg) Date Installed : 2014-06-28T04:47Z Date Removed : 2015-02-23T04:53Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.6 Receiver Type : TRIMBLE NETR9 Satellite System : GPS Serial Number : 5249K40327 Firmware Version : 4.93 Elevation Cutoff Setting : 5 deg Date Installed : 2015-02-23T04:53Z Date Removed : 2015-06-03T04:21Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.7 Receiver Type : TRIMBLE NETR9 Satellite System : GPS Serial Number : 5249K40327 Firmware Version : 5.01 Elevation Cutoff Setting : 5 deg Date Installed : 2015-06-03T04:21Z Date Removed : 2015-08-12T04:13Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.8 Receiver Type : TRIMBLE NETR9 Satellite System : GPS Serial Number : 5249K40327 Firmware Version : 5.03 Elevation Cutoff Setting : 5 deg Date Installed : 2015-08-12T04:15Z Date Removed : 2015-10-07T04:07Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.9 Receiver Type : TRIMBLE NETR9 Satellite System : GPS Serial Number : 5249K40327 Firmware Version : 5.10 Elevation Cutoff Setting : 5 deg Date Installed : 2015-10-07T04:09Z Date Removed : 2015-12-21T15:23Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.10 Receiver Type : TRIMBLE NETR5 Satellite System : GPS Serial Number : 4742K10907 Firmware Version : 4.87 Elevation Cutoff Setting : 5 deg Date Installed : 2015-12-21T15:23Z Date Removed : 2017-02-28T07:16Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.11 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4742K10907 Firmware Version : 48.01 Elevation Cutoff Setting : 5 deg Date Installed : 2017-02-28T07:16Z Date Removed : 2018-06-18T14:29Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Receiver change 3.12 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 5818R40032 Firmware Version : 5.33 Elevation Cutoff Setting : 5 deg Date Installed : 2018-06-18T14:29Z Date Removed : 2018-12-20 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new receiver 3.13 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 5818R40032 Firmware Version : 5.37 Elevation Cutoff Setting : 5 deg Date Installed : 2018-12-20 Date Removed : 2019-09-24T04:20Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new firmware 3.14 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 5818R40032 Firmware Version : 5.42 Elevation Cutoff Setting : 5 deg Date Installed : 2019-09-24T04:20Z Date Removed : 2020-01-16T05:17Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new firmware 3.15 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 5818R40032 Firmware Version : 5.44 Elevation Cutoff Setting : 5 deg Date Installed : 2020-01-16T05:17Z Date Removed : 2020-05-20T04:28Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new firmware 3.16 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 5818R40032 Firmware Version : 5.45 Elevation Cutoff Setting : 5 deg Date Installed : 2020-05-20T04:28Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new 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 : TRM33429.20+GP NONE Serial Number : 0220226811 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 : Antenna Radome Type : NONE Radome Serial Number : (A4 from rcvr_ant.tab; see instructions) Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2002-03-21T22:00Z Date Removed : 2012-06-28T15:45Z Additional Information : set Marker ARP to 0.0000 was either blank or : (F8.4) GS : added NONE for radome 2020-05-22 - haw 4.2 Antenna Type : TRM41249.00 NONE Serial Number : 60072705 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 : +223 deg Antenna Radome Type : NONE Radome Serial Number : (A4 from rcvr_ant.tab; see instructions) Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2012-06-28T15:45Z Date Removed : 2013-01-22T20:20Z Additional Information : corrected invalid format install date 4.3 Antenna Type : TRM57971.00 NONE Serial Number : 2812445679 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 : +351 deg Antenna Radome Type : NONE Radome Serial Number : (A4 from rcvr_ant.tab; see instructions) Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2013-01-22T20:20Z Date Removed : 2018-06-18T14:29Z Additional Information : Corrected installation date using the : removal date of previous antenna 4.4 Antenna Type : TRM115000.00 NONE Serial Number : 6122223848 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 : 9 deg Antenna Radome Type : NONE Radome Serial Number : (A4 from rcvr_ant.tab; see instructions) Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2018-06-18T14:29Z 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 : 2002-03-21/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 : North Carolina Geodetic Survey Preferred Abbreviation : NCGS Mailing Address : 121 West Jones Street : Raleigh, NC 27603 Primary Contact Contact Name : Bart Alligood Telephone (primary) : 919-948-7834 Telephone (secondary) : 919-733-3836 Fax : E-mail : bart.alligood@ncdps.gov Secondary Contact Contact Name : Gary Thompson Telephone (primary) : 919-948-7844 Telephone (secondary) : 919-773-3836 Fax : E-mail : gary.thompson@ncdps.gov 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://geodesy.noaa.gov/cors Secondary Data Center : ftp://alt.ngs.noaa.gov/cors URL for More Information : http://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 ftp://www.igs.org/pub/station/general/antenna.gra