FAIR00USA Site Information Form (site log) International GNSS Service See Instructions at: https://ftp.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : J. Sklar Date Prepared : 2021-04-14 Report Type : UPDATE If Update: Previous Site Log : fair_20210321.log Modified/Added Sections : 3.19,3.20 1. Site Identification of the GNSS Monument Site Name : Gilmore Creek Observatory Four Character ID : FAIR Monument Inscription : None "Big Red GPS Pier" IERS DOMES Number : 40408M001 CDP Number : Monument Description : PIER Height of the Monument : Monument Foundation : Foundation Depth : Marker Description : Date Installed : 1991-01-01T00:00Z Geologic Characteristic : Bedrock Type : METAMORPHIC Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : Gilmore Creek NOAA/ NESDIS : Geological Province-Central Mainland Alaska. : Paleozoic metamorphic rocks. : Geological information from "NASA Space Geodesy : Program Catalogue of Site Information", : Technical Memorandum 4482, March 1993, p120. 2. Site Location Information City or Town : Fairbanks State or Province : Alaska Country : United States Tectonic Plate : NORTH AMERICAN Approximate Position (ITRF) X coordinate (m) : -2281621.7717 Y coordinate (m) : -1453595.9493 Z coordinate (m) : 5756961.9444 Latitude (N is +) : +645840.7940 Longitude (E is +) : -1472957.2625 Elevation (m,ellips.) : 319.1771 Additional Information : The site is located in central Alaska, 22 : kilometers northeast of Fairbanks, at the point : where Rose Creek joins Gilmore Creek. Site : information from "NASA Space Geodesy Program: : Catalogue of Site Information", Technical : Memorandum 4482, March 1993, p120. 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-8 Satellite System : GPS Serial Number : 96 Firmware Version : 6.1 Elevation Cutoff Setting : Date Installed : 1991-10-17T00:00Z Date Removed : 1992-05-11T00:00Z Temperature Stabiliz. : none Additional Information : 3.2 Receiver Type : ROGUE SNR-8 Satellite System : GPS Serial Number : 96 Firmware Version : 7.0 Elevation Cutoff Setting : Date Installed : 1992-05-11T00:00Z Date Removed : 1993-02-02T00:00Z Temperature Stabiliz. : none Additional Information : 3.3 Receiver Type : ROGUE SNR-8 Satellite System : GPS Serial Number : 96 Firmware Version : 7.3 Elevation Cutoff Setting : Date Installed : 1993-02-02T00:00Z Date Removed : 1993-05-27T00:00Z Temperature Stabiliz. : none Additional Information : 3.4 Receiver Type : ROGUE SNR-8 Satellite System : GPS Serial Number : 96 Firmware Version : 7.4 Elevation Cutoff Setting : Date Installed : 1993-05-27T00:00Z Date Removed : 1993-09-09T00:00Z Temperature Stabiliz. : none Additional Information : 3.5 Receiver Type : ROGUE SNR-8 Satellite System : GPS Serial Number : 99 Firmware Version : 7.5 Elevation Cutoff Setting : Date Installed : 1993-09-09T00:00Z Date Removed : 1994-05-05T00:00Z Temperature Stabiliz. : none Additional Information : 3.6 Receiver Type : ROGUE SNR-8 Satellite System : GPS Serial Number : 99 Firmware Version : 7.8 Elevation Cutoff Setting : Date Installed : 1994-05-05T00:00Z Date Removed : 1996-04-16T00:00Z Temperature Stabiliz. : none Additional Information : 3.7 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : R137 Firmware Version : 0.9 link 01/05/96 (3.2 with GPSMet Code) Elevation Cutoff Setting : 4 deg Date Installed : 1996-04-16T00:00Z Date Removed : 1998-07-30T18:00Z Temperature Stabiliz. : none Additional Information : 3.8 Receiver Type : ROGUE SNR-12 RM Satellite System : GPS Serial Number : R255 Firmware Version : 3.2.32.4 Elevation Cutoff Setting : 4 deg Date Installed : 1998-07-30T18:00Z Date Removed : 1998-08-10T18:00Z Temperature Stabiliz. : none Additional Information : 3.9 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T364 Firmware Version : 0.9 Elevation Cutoff Setting : 4 deg Date Installed : 1998-08-10T18:00Z Date Removed : 1999-06-03T19:00Z Temperature Stabiliz. : none Additional Information : 3.10 Receiver Type : AOA SNR-8100 ACT Satellite System : GPS Serial Number : R134-U Firmware Version : 3.3.32.2 Elevation Cutoff Setting : 4 deg Date Installed : 1999-06-03T19:00Z Date Removed : 2000-04-15T00:00Z Temperature Stabiliz. : none Additional Information : 3.11 Receiver Type : AOA SNR-8100 ACT Satellite System : GPS Serial Number : R134-U Firmware Version : 3.3.32.2 1s soc2rnx Elevation Cutoff Setting : 4 deg Date Installed : 2000-04-15T00:00Z Date Removed : 2002-07-08T19:00Z Temperature Stabiliz. : none Additional Information : samplerate - 1s : offload format - soc : conversion to 30s - soc2rnx 3.12 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : ZR220010401 Firmware Version : CJ00 Elevation Cutoff Setting : 4 deg Date Installed : 2002-07-09T01:00Z Date Removed : 2004-11-24T23:00Z Temperature Stabiliz. : none Additional Information : samplerate - 1s : offload format - soc : conversion to 30s - soc2rnx 3.13 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : UC2200436008 Firmware Version : CN04 Elevation Cutoff Setting : 4 deg Date Installed : 2004-11-25T02:15Z Date Removed : 2008-03-25T18:33Z Temperature Stabiliz. : none Additional Information : samplerate - 1s : offload format - soc : conversion to 30s - soc2rnx 3.14 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : IR2200709003 Firmware Version : CQ00 Elevation Cutoff Setting : 4 deg Date Installed : 2008-03-25T18:33Z Date Removed : 2017-10-06T00:00Z Temperature Stabiliz. : none Additional Information : 3.15 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL Serial Number : 01709 Firmware Version : 3.6.4 Elevation Cutoff Setting : 0 deg Date Installed : 2017-10-06T00:01Z Date Removed : 2018-05-30T19:43Z Temperature Stabiliz. : none Additional Information : Receiver has version 8 board 3.16 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 01709 Firmware Version : 3.7.2 Elevation Cutoff Setting : 0 deg Date Installed : 2018-05-30T20:00Z Date Removed : 2019-05-06T06:46Z Temperature Stabiliz. : none Additional Information : Receiver has version 8 board 3.17 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 01709 Firmware Version : 3.7.6 Elevation Cutoff Setting : 0 deg Date Installed : 2019-05-06T06:46Z Date Removed : 2020-03-24T19:10Z Temperature Stabiliz. : none Additional Information : Receiver has version 8 board 3.18 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 01709 Firmware Version : 3.7.9 Elevation Cutoff Setting : 0 deg Date Installed : 2020-03-24T19:10Z Date Removed : 2021-03-17T20:36Z Temperature Stabiliz. : none Additional Information : Receiver has version 8 board 3.19 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 01709 Firmware Version : 4.0.02 Elevation Cutoff Setting : 0 deg Date Installed : 2021-03-17T20:36Z Date Removed : 2021-04-14T00:00Z Temperature Stabiliz. : none Additional Information : Receiver has version 8 board 3.20 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3025777 Firmware Version : 5.4.0 Elevation Cutoff Setting : 0 deg Date Installed : 2021-04-14T00:00Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : Additional Information : 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 : JPLD/M_R NONE Serial Number : 96 Antenna Reference Point : BCR Marker->ARP Up Ecc. (m) : 0.116 Marker->ARP North Ecc(m) : 0.000 Marker->ARP East Ecc(m) : 0.000 Alignment from True N : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1991-10-17T00:00Z Date Removed : 1996-04-16T00:00Z Additional Information : 4.2 Antenna Type : AOAD/M_T JPLA Serial Number : 175 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0863 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : Antenna Radome Type : JPLA Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1996-04-16T00:00Z Date Removed : 2004-12-22T21:10Z Additional Information : 4.3 Antenna Type : ASH701945G_M JPLA Serial Number : CR5200348003 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0863 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : Antenna Radome Type : JPLA Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2004-12-22T21:10Z Date Removed : 2012-04-28T00:00Z Additional Information : UNAVCO# 71049 (antenna) 4.4 Antenna Type : ASH701945G_M NONE Serial Number : CR5200348003 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0863 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 : Antenna Cable Type : Antenna Cable Length : Date Installed : 2012-04-28T01:00Z Date Removed : 2012-08-03T23:40Z Additional Information : UNAVCO# 71049 (antenna) : JPLA radome removed 4.5 Antenna Type : ASH701945G_M JPLA Serial Number : CR5200348003 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0863 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : Antenna Radome Type : JPLA Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2012-08-04T00:25Z Date Removed : 2016-08-26T19:30Z Additional Information : UNAVCO# 71049 (antenna) : JPLA radome re-installed 4.6 Antenna Type : ASH701945G_M NONE Serial Number : CR5200348003 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0863 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 : Antenna Cable Type : Antenna Cable Length : Date Installed : 2016-08-26T19:30Z Date Removed : 2016-08-26T21:30Z Additional Information : Dome was removed for cleaning and for : re-routing the antenna cable through conduit. 4.7 Antenna Type : ASH701945G_M JPLA Serial Number : CR5200348003 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0863 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : Antenna Radome Type : JPLA Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2016-08-26T21:30Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : Dome re-installed after cleaning, in same : orientation as it was when removed. 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 5.1 Tied Marker Name : FAIR 7225 Tied Marker Usage : Tied Marker CDP Number : 7225 Tied Marker DOMES Number : 40408S002 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 74.141 dy (m) : -49.280 dz (m) : 31.231 Accuracy (mm) : Survey method : Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : 26m VLBI ref. point. Additional Information : from : "IERS Technical Note 20, Results and Analysis : of the ITRF94" March 1996; Table T2 "Directory : of IERS Stations", pT18. 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 : EXTERNAL H-MASER Input Frequency : 5 MHz Effective Dates : 1996-02-12/2004-09-08 Notes : Start date is approximate. 6.2 Standard Type : INTERNAL Input Frequency : Effective Dates : 2004-09-08/2004-09-15 Notes : Maintenance work on H-Maser. 6.3 Standard Type : EXTERNAL H-MASER Input Frequency : 5 MHz Effective Dates : 2004-09-16/2004-11-24 Notes : Actual start date 2004-09-15T23:20Z 6.4 Standard Type : INTERNAL Input Frequency : Effective Dates : 2004-11-25/2004-11-26 Notes : Internal clock used after reciever swap. : Actual start date 2004-11-25T02:30Z : Actual end date 2004-11-26T21:30Z 6.5 Standard Type : EXTERNAL H-MASER Input Frequency : 5 MHz Effective Dates : 2004-11-27/2005-02-17 Notes : Actual start date 2004-11-26T22:30Z : Actual end date 2005-02-17T21:10Z 6.6 Standard Type : EXTERNAL RUBIDIUM Input Frequency : 5 MHz Effective Dates : 2005-02-17/2005-05-09 Notes : Actual start date 2005-02-17T21:15Z : Actual end date 2005-05-09T15:30Z 6.7 Standard Type : EXTERNAL H-MASER Input Frequency : 5 MHz Effective Dates : 2005-05-09/2005-12-20 Notes : Actual start date 2005-05-09T15:30Z : Actual end date 2005-12-20T21:55Z 6.8 Standard Type : INTERNAL Input Frequency : Effective Dates : 2005-12-20/CCYY-MM-DD Notes : Actual start date 2005-12-20T21:55Z 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 : VLBI Status : PERMANENT Effective Dates : 1979-01-01/2010-MM-DD Notes : 26 m dish remains standing. Day and : month of decommissioning are unknown. : Three brass survey markers are set in : VLBI foundation. 7.2 Instrumentation Type : DORIS Status : PERMANENT Effective Dates : 1972-MM-DD/CCYY-MM-DD Notes : Antenna was located on roof of Gilmore Creek : Geophysical Observatory ops building. Antenna : is no longer in place. Exact dates of : installation and decomissioning unknown. 7.3 Instrumentation Type : GNSS Status : PERMANENT Effective Dates : 2005-10-15/CCYY-MM-DD Notes : FAIC rooftop single mast monument. : Antenna has Javad Delta and Trimble NetRS : receivers attached via a splitter. 7.4 Instrumentation Type : GNSS Status : PERMANENT Effective Dates : 2016-08-26/CCYY-MM-DD Notes : GCGO deep drilled single mast monument. Antenna : has Javad Delta receiver attached. GCGO is : located 100 feet due NW from FAIR. 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 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.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/BUILDINGS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 10. Local Episodic Effects Possibly Affecting Data Quality 10.1 Date : 2012-02-02/2012-02-02 Event : Transitioned from .soc to .ash data types. For : soc data typed used soc2rnx to do the : conversion to RINEX data. For ash data types : using teqc directly to do the conversion to : RINEX. 10.x Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : Jet Propulsion Laboratory Preferred Abbreviation : JPL Mailing Address : Primary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 12. Responsible Agency (if different from 11.) Agency : Jet Propulsion Laboratory Preferred Abbreviation : JPL Mailing Address : 4800 Oak Grove Drive : Pasadena, CA : USA 91109 Primary Contact Contact Name : David A. Stowers Telephone (primary) : 818-354-7055 Telephone (secondary) : Fax : 818-393-4965 E-mail : dstowers@jpl.nasa.gov Secondary Contact Contact Name : UNAVCO Network Engineer Telephone (primary) : 303-381-7500 Telephone (secondary) : Fax : 303-381-7451 E-mail : ggn-ops@ls.unavco.org Additional Information : 13. More Information Primary Data Center : JPL (ODC-Operational Data Center) Secondary Data Center : CDDIS (GDC-Global Data Center) URL for More Information : Hardcopy on File Site Map : Site Diagram : 10/94 Horizon Mask : 10/94 Monument Description : 10/94 Site Pictures : 10/94 Additional Information : Antenna Graphics with Dimensions ASH701945G_M +-------+ / + \ <-- 0.1280 L2 | + | <-- 0.1100 L1 +-----------------+-------------+------------------+ <-- 0.1006 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.0376 +-------------------+-------------+--------------------+ <-- 0.0346 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.3794 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering TGP: Top of Ground Plane BGP: Bottom of Ground Plane TPA: Top of Preamplifier BPA: Bottom of Preamplifier All dimensions are in meters.