GUUG00USA 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) : Francine Coloma Date Prepared : 2021-09-23 Report Type : UPDATE If Update: Previous Site Log : guug_20210916.log Modified/Added Sections : 3.13, 3.14, 4.4, 4.5 1. Site Identification of the GNSS Monument Site Name : U of Guam Four Character ID : GUUG Monument Inscription : IERS DOMES Number : 82301M001 CDP Number : Monument Description : Atop 0.3-meter-thick concrete roof parapet. Height of the Monument : Monument Foundation : ROOF Foundation Depth : Marker Description : Date Installed : 2003-08-27T00:00Z Geologic Characteristic : Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : The concrete building was constructed in : 2000/2001 to withstand 180 mph typhoons. : The antenna is mounted with a tribrach adaptor : embeded in the concrete parapet. 2. Site Location Information City or Town : Mangilao State or Province : Guam Country : United States of America (the) Tectonic Plate : MARIANA Approximate Position (ITRF) X coordinate (m) : -5070465.249 Y coordinate (m) : 3576460.234 Z coordinate (m) : 1472093.785 Latitude (N is +) : +132559.55 Longitude (E is +) : +1444809.77 Elevation (m,ellips.) : 134.7 Additional Information : ARP IGS08 POSITION (EPOCH 2005.00) : Published by the IGS in Nov 2010. 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE 4700 Satellite System : GPS Serial Number : 0220227031 Firmware Version : 1.30 Elevation Cutoff Setting : Date Installed : 2003-08-27T00:00Z Date Removed : 2006-08-01T00:00Z Temperature Stabiliz. : Additional Information : 3.2 Receiver Type : TRIMBLE 4700 Satellite System : GPS Serial Number : 0220227031 Firmware Version : 1.30 Elevation Cutoff Setting : 5 deg Date Installed : 2006-08-01T00:00Z Date Removed : 2008-02-07T00:00Z Temperature Stabiliz. : Additional Information : 3.3 Receiver Type : TRIMBLE NETR5 Satellite System : GPS Serial Number : 4730K06582 Firmware Version : 3.50 Elevation Cutoff Setting : 5 deg Date Installed : 2008-02-07T00:00Z Date Removed : 2009-06-19T00:00Z Temperature Stabiliz. : Additional Information : Receiver type correction. : Changed from GPS+GLONASS to GPS on 2008-mar-17 3.4 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4730K06582 Firmware Version : 3.50 Elevation Cutoff Setting : 5 deg Date Installed : 2009-06-19T00:00Z Date Removed : 2009-08-27T14:09Z Temperature Stabiliz. : Additional Information : Switched on GLONASS tracking : Switched off Everest Multipath 3.5 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4730K06582 Firmware Version : 4.03 Elevation Cutoff Setting : 5 deg Date Installed : 2009-08-27T14:09Z Date Removed : 2010-09-14T14:41Z Temperature Stabiliz. : Additional Information : 3.6 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4730K06582 Firmware Version : 4.15 Elevation Cutoff Setting : 0 deg Date Installed : 2010-09-14T14:41Z Date Removed : 2011-01-10T16:33Z Temperature Stabiliz. : Additional Information : 3.7 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4730K06582 Firmware Version : 4.19 Elevation Cutoff Setting : 0 deg Date Installed : 2011-01-10T16:33Z Date Removed : 2012-10-16T19:42Z Temperature Stabiliz. : Additional Information : 3.8 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4730K06582 Firmware Version : 4.48 Elevation Cutoff Setting : 0 deg Date Installed : 2012-10-16T19:42Z Date Removed : 2013-04-19T15:02Z Temperature Stabiliz. : Additional Information : 3.9 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4730K06582 Firmware Version : 4.70 Elevation Cutoff Setting : 0 deg Date Installed : 2013-04-19T15:02Z Date Removed : 2014-10-22T11:05Z Temperature Stabiliz. : Additional Information : 3.10 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4730K06582 Firmware Version : 4.85 Elevation Cutoff Setting : 0 deg Date Installed : 2014-10-22T11:05Z Date Removed : 2019-04-10T00:30Z Temperature Stabiliz. : Additional Information : 3.11 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL Serial Number : 1870480 Firmware Version : 4.11/7.102 Elevation Cutoff Setting : 0 deg Date Installed : 2019-04-10T00:30Z Date Removed : 2019-04-12T14:20Z Temperature Stabiliz. : Additional Information : new receiver installed by Ed C. : Firmware update 3.12 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL Serial Number : 1870480 Firmware Version : 4.30/7.402 Elevation Cutoff Setting : 0 deg Date Installed : 2019-04-12T14:24Z Date Removed : 2021-09-15T23:50Z Temperature Stabiliz. : Additional Information : Firmware update 3.13 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL Serial Number : 1870480 Firmware Version : 4.50/7.710 Elevation Cutoff Setting : 0 deg Date Installed : 2021-09-15T23:55Z Date Removed : 2021-09-22T23:30Z Temperature Stabiliz. : Additional Information : Receiver change 3.14 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 6026R40024 Firmware Version : 6.12 Elevation Cutoff Setting : 0 deg Date Installed : 2021-09-23T00:11Z 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 : ASH701945E_M UNAV Serial Number : CR520022606 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 : UNAV Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2003-08-27T00:00Z Date Removed : 2008-02-07T00:00Z Additional Information : 4.2 Antenna Type : ASH701945E_M NONE Serial Number : CR520022606 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 : Antenna Cable Type : Trimble Antenna Cable Length : 30 m Date Installed : 2008-02-07T00:00Z Date Removed : 2011-06-26T00:00Z Additional Information : Radome removed and antenna cable was replaced 4.3 Antenna Type : TRM55971.00 NONE Serial Number : 30517538 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 : Trimble Antenna Cable Length : 30 m Date Installed : 2011-06-26T00:00Z Date Removed : 2019-06-10T00:00Z Additional Information : Antenna Change 4.4 Antenna Type : SEPCHOKE_B3E6 SPKE Serial Number : 5451 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0032 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : SPKE Radome Serial Number : Antenna Cable Type : Trimble Antenna Cable Length : 30 m Date Installed : 2019-06-10T01:07Z Date Removed : 2021-09-22T23:30Z Additional Information : 2019-JUN-13 FSC fix ARP UP value, was : 0.0063 (2 washers) changed to 0.0032 : one washer at 1/8 inch thickness : Corrected antenna type 2020-01-30 : SEPCHOKE_MC was in error : Changed ARP from BAM to BPA - 2020Oct05 : Effective date is still 2019-06-10 4.5 Antenna Type : LEIAR20 LEIM Serial Number : 20251006 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 : LEIM Radome Serial Number : Antenna Cable Type : Trimble Antenna Cable Length : 30 m Date Installed : 2021-09-23T00:11Z 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 : Effective Dates : 2003-08-27/CCYY-MM-DD Notes : 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 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.x Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : University of Guam Preferred Abbreviation : UOG Mailing Address : Water and Environmental Research Inst. : UOG Station : Mangilao, Guam 96923 Primary Contact Contact Name : Thomas J. Torres Telephone (primary) : 671-649-5263 ext. 261 Telephone (secondary) : Fax : 671-649-5383 E-mail : thomas.torres@dlm.guam.gov Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : Temporary contact. 12. Responsible Agency (if different from 11.) Agency : NOAA-National Geodetic Survey Preferred Abbreviation : NOAA-NGS Mailing Address : NOAA, N/NGS6, SSMC3-9111 : 1315 East-West Hwy. : Silver Spring, MD 20910, USA Primary Contact Contact Name : Francine Coloma Telephone (primary) : 303-497-3692 Telephone (secondary) : Fax : E-mail : ngs.corscollector@noaa.gov Secondary Contact Contact Name : Don Haw Telephone (primary) : 240-533-9676 Telephone (secondary) : Fax : E-mail : ngs.corscollector@noaa.gov Additional Information : 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 : Site Diagram : Horizon Mask : Monument Description : Site Pictures : Additional Information : Antenna Graphics with Dimensions https://files.igs.org/pub/station/general/antenna.gra