CHET 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) : Don Haw as per JOSE GUILLERMO GASCA Date Prepared : 2021-10-19 Report Type : UPDATE If Update: Previous Site Log : chet_20210922.log Modified/Added Sections : 3.22, 4.11 1. Site Identification of the GNSS Monument Site Name : Chetumal Four Character ID : CHET Monument Inscription : IERS DOMES Number : 40526M001 CDP Number : (A7) Monument Description : PILLAR Height of the Monument : (m) Monument Foundation : CONCRETE BLOCK, ROOF Foundation Depth : (m) Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 1993-04-14T00:00Z Geologic Characteristic : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc) Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY) Bedrock Condition : (FRESH/JOINTED/WEATHERED) Fracture Spacing : (1-10 cm/10-50 cm/50-200 cm/over 200 cm) Fault zones nearby : (YES/NO/Name of the zone) Distance/activity : (multiple lines) Additional Information : Geological information will be available : This station is part of the Mexican National : Active Network 2. Site Location Information City or Town : Chetumal State or Province : Quintana Roo Country : Mexico Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : 179584.97 Y coordinate (m) : -6048080.72 Z coordinate (m) : 2010447.35 Latitude (N is +) : +182942.10 Longitude (E is +) : -0881757.20 Elevation (m,ellips.) : 3.0 Additional Information : (multiple lines) 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH P-XII3 Satellite System : GPS Serial Number : 700363D2058 Firmware Version : 7C-P6 Elevation Cutoff Setting : 15 Date Installed : 1993-04-14T01:00Z Date Removed : 1993-05-21T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Original receiver was removed due problems 3.2 Receiver Type : ASHTECH P-XII3 Satellite System : GPS Serial Number : 700363D2056 Firmware Version : 7C-P6 Elevation Cutoff Setting : 15 Date Installed : 1993-05-21T01:00Z Date Removed : 1993-06-21T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Removed due problems 3.3 Receiver Type : ASHTECH P-XII3 Satellite System : GPS Serial Number : 700363B2195 Firmware Version : 7C-P6 Elevation Cutoff Setting : 15 Date Installed : 1993-06-21T01:00Z Date Removed : 1993-11-01T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Removed due problems 3.4 Receiver Type : ASHTECH P-XII3 Satellite System : GPS Serial Number : 700415A02908 Firmware Version : 7C-P6 Elevation Cutoff Setting : 15 Date Installed : 1993-11-01T01:00Z Date Removed : 1993-11-30T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Removed due problems 3.5 Receiver Type : ASHTECH P-XII3 Satellite System : GPS Serial Number : 700415A02972 Firmware Version : 7C-P6 Elevation Cutoff Setting : 15 Date Installed : 1993-11-30T01:00Z Date Removed : 1994-02-05T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Removed due problems 3.6 Receiver Type : ASHTECH P-XII3 Satellite System : GPS Serial Number : 700415A02908 Firmware Version : 7C-P6 Elevation Cutoff Setting : 15 Date Installed : 1994-02-05T01:00Z Date Removed : 1994-03-25T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Removed due problems 3.7 Receiver Type : ASHTECH P-XII3 Satellite System : GPS Serial Number : 700415A02972 Firmware Version : 7C-P6 Elevation Cutoff Setting : 15 Date Installed : 1994-03-25T01:00Z Date Removed : 1994-04-12T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Removed due problems 3.8 Receiver Type : ASHTECH P-XII3 Satellite System : GPS Serial Number : 700415A02908 Firmware Version : 7C-P6 Elevation Cutoff Setting : 15 Date Installed : 1994-04-12T01:00Z Date Removed : 1994-08-03T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Removed due problems 3.9 Receiver Type : ASHTECH P-XII3 Satellite System : GPS Serial Number : 700415A02972 Firmware Version : 7C-P6 Elevation Cutoff Setting : 15 Date Installed : 1994-08-03T01:00Z Date Removed : 1994-08-10T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Removed due problems 3.10 Receiver Type : ASHTECH P-XII3 Satellite System : GPS Serial Number : 700415A02908 Firmware Version : 7C-P6 Elevation Cutoff Setting : 15 Date Installed : 1994-08-10T01:00Z Date Removed : 1995-05-23T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Removed due problems 3.11 Receiver Type : ASHTECH P-XII3 Satellite System : GPS Serial Number : 700415A02972 Firmware Version : 7C-P6 Elevation Cutoff Setting : 15 Date Installed : 1995-05-23T01:00Z Date Removed : 1995-06-15T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Removed due problems 3.12 Receiver Type : ASHTECH P-XII3 Satellite System : GPS Serial Number : 700415A02908 Firmware Version : 7C-P6 Elevation Cutoff Setting : 15 Date Installed : 1995-06-15T01:00Z Date Removed : 1996-12-30T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Removed due problems 3.13 Receiver Type : ASHTECH P-XII3 Satellite System : GPS Serial Number : 700415A02906 Firmware Version : 7C-P6 Elevation Cutoff Setting : 15 Date Installed : 1996-12-30T01:00Z Date Removed : 1997-01-08T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Removed due problems 3.14 Receiver Type : ASHTECH P-XII3 Satellite System : GPS Serial Number : 700415A02908 Firmware Version : 7C-P6 Elevation Cutoff Setting : 15 Date Installed : 1997-01-08T01:00Z Date Removed : 1999-08-20T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Removed due problems 3.15 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 7005700B03003 Firmware Version : 1L00-1D04 Elevation Cutoff Setting : 10 Date Installed : 1999-08-20T01:00Z Date Removed : 2003-01-17T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Replaced due upgrade receiver 3.16 Receiver Type : TRIMBLE 5700 Satellite System : GPS Serial Number : 0220293857 Firmware Version : 1.24 Elevation Cutoff Setting : 10 Date Installed : 2003-01-17T18:00Z Date Removed : 2016-05-12T14:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Replaced due upgrade receiver 3.17 Receiver Type : LEICA GR10 Satellite System : GPS+GLO+GAL Serial Number : 1703997 Firmware Version : 3.22/6.521 Elevation Cutoff Setting : 10 Date Installed : 2016-05-12T17:00Z Date Removed : 2017-09-13T15:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware upgrade 3.18 Receiver Type : LEICA GR10 Satellite System : GPS+GLO+GAL Serial Number : 1703997 Firmware Version : 4.11/6.523 Elevation Cutoff Setting : 10 Date Installed : 2017-09-13T16:00Z Date Removed : 2021-05-17T17:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.19 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL+BDS Serial Number : 6042R40094 Firmware Version : 5.44 Elevation Cutoff Setting : 10 Date Installed : 2021-05-17T20:00Z Date Removed : 2021-06-25T23:59Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Replaced due problems 3.20 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL+BDS Serial Number : 5922R40068 Firmware Version : 5.45 Elevation Cutoff Setting : 10 Date Installed : 2021-08-02T18:00Z Date Removed : 2021-08-30T15:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.21 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL+BDS Serial Number : 6042R40094 Firmware Version : 6.10 Elevation Cutoff Setting : 10 Date Installed : 2021-09-02T20:00Z Date Removed : 2021-09-27T17:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new receiver 3.22 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL+BDS Serial Number : 6032R40015 Firmware Version : 5.45 Elevation Cutoff Setting : 10 Date Installed : 2021-09-27T17:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new receiver 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 : ASH700228A NONE Serial Number : 700228D2636 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0780 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1993-04-14T01:00Z Date Removed : 1994-08-03T00:00Z Additional Information : According to NGS 63.6 mm from antenna base to : reference plane offset height was measured 4.2 Antenna Type : ASH700228A NONE Serial Number : 700228D2536 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0868 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1994-08-03T01:00Z Date Removed : 1994-08-10T00:00Z Additional Information : According to NGS 63.6 mm from antenna base to : reference plane offset height was measured 4.3 Antenna Type : ASH700228A NONE Serial Number : 700228D2636 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0780 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1994-08-10T01:00Z Date Removed : 1995-05-23T00:00Z Additional Information : According to NGS 63.6 mm from antenna base to : reference plane offset height was measured 4.4 Antenna Type : ASH700228A NONE Serial Number : 700228D2716 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0780 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1995-05-23T01:00Z Date Removed : 1995-06-15T00:00Z Additional Information : According to NGS 63.6 mm from antenna base to : reference plane offset height was measured 4.5 Antenna Type : ASH700228A NONE Serial Number : 700228D2636 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0868 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1995-06-15T01:00Z Date Removed : 1999-08-20T00:00Z Additional Information : According to NGS 63.6 mm from antenna base to : reference plane offset height was measured 4.6 Antenna Type : ASH700228A NONE Serial Number : 70057B2883 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0827 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1999-08-20T01:00Z Date Removed : 2003-01-17T00:00Z Additional Information : According to NGS 63.6 mm from antenna base to : reference plane offset height was measured 4.7 Antenna Type : TRM41249.00 NONE Serial Number : 12393240 Antenna Reference Point : ARP Marker->ARP Up Ecc. (m) : 0.0898 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2003-01-17T18:00Z Date Removed : 2016-05-12T14:00Z Additional Information : (multiple lines) : 4.8 Antenna Type : LEIAR10 NONE Serial Number : 18245044 Antenna Reference Point : ARP Marker->ARP Up Ecc. (m) : 0.0920 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : 30 m Date Installed : 2016-05-12T17:00Z Date Removed : 2021-05-17T17:00Z Additional Information : (multiple lines) 4.9 Antenna Type : TRM115000.00 NONE Serial Number : 60413G0069 Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 0.0920 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : 30 m Date Installed : 2021-05-17T20:00Z Date Removed : 2021-06-25T23:59Z Additional Information : Replaced due problems 4.10 Antenna Type : TRM115000.00 NONE Serial Number : 1441052920 Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 0.0920 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : 30 m Date Installed : 2021-08-02T18:00Z Date Removed : 2021-09-27T17:00Z Additional Information : (multiple lines) 4.11 Antenna Type : TRM115000.00 NONE Serial Number : 60413G0082 Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 0.0920 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : 30 m Date Installed : 2021-09-27T17:00Z 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) : dy (m) : dz (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 : (H-MASER/CESIUM/QUARTZ/INTERNAL/RUBIDIUM) Input Frequency : 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.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 : 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 : Accuracy : (mbar) 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 : 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 : (hPa) 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 : NONE 8.5.x Other Instrumentation : 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.x Radio Interferences : (TV/CELL PHONE ANTENNA/RADAR/etc) Observed Degredations : (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 : Instituto Nacional de Estadistica : y Geografia Preferred Abbreviation : INEGI Mailing Address : Av. Carmen Ochoa de Merino # 229 por : Independencia Primary Contact Contact Name : Sergio Augusto Varguez Chan Telephone (primary) : (52) 983 83-51-344 Ext. 8764 Telephone (secondary) : (52) 983 83-51-330 Ext. 8771 Fax : (52) 983 83-2-48-36 E-mail : sergio.varguez@inegi.org.mx Secondary Contact Contact Name : Gabriel Gaytan Rios Telephone (primary) : (52) 449 9-10-53-00 Ext. 4169 Telephone (secondary) : Fax : E-mail : gabriel.gaytan@inegi.org.mx Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : Instituto Nacional de Estadistica : y Geografia Preferred Abbreviation : INEGI Mailing Address : Av. Heroe de Nacozari #2301, Puerta 8 : Mezzanine Primary Contact Contact Name : Jose Guillermo Gasca Moncayo Telephone (primary) : (52) 449 9105300 Ext. 4944 Telephone (secondary) : Fax : E-mail : guillermo.gasca@inegi.org.mx Secondary Contact Contact Name : Guido Alejandro Gonzalez Franco Telephone (primary) : (52) 449 9105300 Ext. 5872 Telephone (secondary) : Fax : E-mail : guido.gonzalez@inegi.org.mx Additional Information : (multiple lines) 13. More Information Primary Data Center : ftp://geodesia.inegi.org.mx Secondary Data Center : https://geodesy.noaa.gov/corsdata/ URL for More Information : http://www.inegi.org.mx/ Hardcopy on File Site Map : (Y or URL) Site Diagram : (Y) Horizon Mask : (Y) Monument Description : (Y) Site Pictures : (Y) Additional Information : (multiple lines) Antenna Graphics with Dimensions https://files.igs.org/pub/station/general/antenna.gra