IACR00CHL Site Information Form (site log) International GNSS Service See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : J.C. Baez Date Prepared : 2023-04-22 Report Type : UPDATE If Update: Previous Site Log : iacr_20180801.log Modified/Added Sections : 3.4, 3.5 1. Site Identification of the GNSS Monument Site Name : ISLA ALACRAN Four Character ID : IACR Monument Inscription : IERS DOMES Number : 41721M001 CDP Number : (A4) Monument Description : STELL TRIPOD IN BEDROCK Height of the Monument : 1.6 Monument Foundation : BEDROCK Foundation Depth : 0.8 (m) Marker Description : DIVOT Date Installed : 2009-01-06 Geologic Characteristic : BEDROCK Bedrock Type : METAMORPHIC Bedrock Condition : JOINTED 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 : (multiple lines) 2. Site Location Information City or Town : ARICA State or Province : REGION XV Country : CHILE Tectonic Plate : SOUTH AMERICAN Approximate Position (ITRF) X coordinate (m) : 2036608.5 Y coordinate (m) : -5698319.8 Z coordinate (m) : -2008830.9 Latitude (N is +) : -182847.09 Longitude (E is +) : -0701958.27 Elevation (m,ellips.) : 46.2 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4805144971 Firmware Version : 1.00 Elevation Cutoff Setting : 0 Date Installed : 2009-01-06T00:00Z Date Removed : 2011-09-09T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.2 Receiver Type : LEICA GR10 Satellite System : GPS+GLO Serial Number : 1700289 Firmware Version : 1.00/4.005 Elevation Cutoff Setting : 0 Date Installed : 2011-09-11T00:00Z Date Removed : 2013-08-07T16:57Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.3 Receiver Type : LEICA GR10 Satellite System : GPS+GLO Serial Number : 1700290 Firmware Version : 1.00/4.005 Elevation Cutoff Setting : 0 Date Installed : 2013-08-07T18:00Z Date Removed : 2018-07-28T23:59Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.4 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5234K51708 Firmware Version : 4.85 Elevation Cutoff Setting : 0 Date Installed : 2018-07-29T15:35Z Date Removed : 2023-04-22T15:58Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.5 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL Serial Number : 3048320 Firmware Version : 5.5.0 Elevation Cutoff Setting : 0 Date Installed : 2023-04-22T16:46Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS+GLO+GAL+CMP+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 : TRM41249.00 NONE Serial Number : 999999 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 : (deg; + is clockwise/east) Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2009-01-06T00:00Z Date Removed : 2011-09-09T00:00Z Additional Information : 4.2 Antenna Type : LEIAR10 NONE Serial Number : 13289987 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 : (deg; + is clockwise/east) Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2011-09-11T00:00Z Date Removed : 2018-07-28T23:59Z Additional Information : Radome Integrated 4.3 Antenna Type : TRM57971.00 NONE Serial Number : 00112788 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 : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2018-07-29T15:35Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : Radome Integrated 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 : National Seismological Center : University of Chile Preferred Abbreviation : CSN Mailing Address : Beaucheff 1225, Santiago : Chile Primary Contact Contact Name : CSN Telephone (primary) : +5629784301 Telephone (secondary) : +56942137247 Fax : E-mail : jcbaez@csn.uchile.cl Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 12. Responsible Agency (if different from 11.) Agency : DEUTSCHES GEODAETISCHES FORSCHUNGSINSTITUT DER : TECHNISCHEN UNIVERSITAET MUENCHEN Preferred Abbreviation : DGFI-TUM Mailing Address : Alfons-Goppel-Strasse 11 : 80539 Munich, Germany Primary Contact Contact Name : Technik at DGFI-TUM Telephone (primary) : +4989-230311105 Telephone (secondary) : Fax : E-mail : technik.dgfi@tum.de Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 13. More Information Primary Data Center : DGFI, Germany Secondary Data Center : IGM, Chile URL for More Information : 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 (insert text graphic from file antenna.gra) LEIAR10 . ^ . <-- 0.1362 . . . . . . . . / \ | | | | <-- 0.0362 Notch +-----____ ____-----+ -----____ ____-\ \- +--x--+ \_\ <-- 0.0000 BAM=ARP <-- 0.2400 --> TRM115000.00 TRM115000.10 TRM55971.00 TRM57971.00 TRM77971.00 RNG80971.00 / --------------------------------------------- \ + + \ --------------------------------------------- / \ / \ / \-----x-----/ <-- 0.0000 BAM=ARP RXC=NRP <-- 0.3396 --> Notches