GLPS00ECU 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) : Tatevik Shakhbandaryan Date Prepared : 2021-07-20 Report Type : UPDATE If Update: Previous Site Log : glps_20210505.log Modified/Added Sections : 3.8,3.9 1. Site Identification of the GNSS Monument Site Name : Galapagos Permanent Station Four Character ID : GLPS Monument Inscription : IERS DOMES Number : 42005M002 CDP Number : Monument Description : Stainless steel, short drilled-braced Height of the Monument : 2 m Monument Foundation : Stainless steel rods in basalt Foundation Depth : 1.8 m Marker Description : Divot on bottom plate of SCIGN mount Date Installed : 2002-03-08T00:00Z Geologic Characteristic : BEDROCK, BASALT Bedrock Type : IGNEOUS Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : This station replaces GALA (42005M001). 2. Site Location Information City or Town : Puerto Ayora State or Province : Galapagos Island Country : Ecuador Tectonic Plate : NAZCA Approximate Position (ITRF) X coordinate (m) : -33801.2590 Y coordinate (m) : -6377516.5276 Z coordinate (m) : -82154.3037 Latitude (N is +) : -004434.7951 Longitude (E is +) : -0901813.2069 Elevation (m,ellips.) : 1.7882 Additional Information : Darwin Station 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP019990509 Firmware Version : CD00 Elevation Cutoff Setting : 4 deg Date Installed : 2003-01-06T21:30Z Date Removed : 2008-02-27T23:59Z Temperature Stabiliz. : none Additional Information : 3.2 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : ZR220013847 Firmware Version : CQ00 Elevation Cutoff Setting : 4 deg Date Installed : 2008-10-08T00:00Z Date Removed : 2015-08-17T21:01Z Temperature Stabiliz. : none Additional Information : 3.3 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO Serial Number : 00584 Firmware Version : 3.5.5 Elevation Cutoff Setting : 0 deg Date Installed : 2015-08-17T21:15Z Date Removed : 2017-12-27T00:44Z Temperature Stabiliz. : none Additional Information : 3.4 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+BDS Serial Number : 00584 Firmware Version : 3.7.2 Elevation Cutoff Setting : 0 deg Date Installed : 2017-12-27T00:45Z Date Removed : 2019-01-08T02:15Z Temperature Stabiliz. : none Additional Information : 3.5 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+BDS Serial Number : 00584 Firmware Version : 3.7.4 Elevation Cutoff Setting : 0 deg Date Installed : 2019-01-08T02:30Z Date Removed : 2019-05-23T18:28Z Temperature Stabiliz. : none Additional Information : 3.6 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+BDS Serial Number : 00584 Firmware Version : 3.7.6 Elevation Cutoff Setting : 0 deg Date Installed : 2019-05-23T18:28Z Date Removed : 2020-04-06T22:40Z Temperature Stabiliz. : none Additional Information : 3.7 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+BDS Serial Number : 00584 Firmware Version : 3.7.9 Elevation Cutoff Setting : 0 deg Date Installed : 2020-04-06T22:40Z Date Removed : 2021-03-12T23:08Z Temperature Stabiliz. : none Additional Information : 3.8 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+BDS Serial Number : 00584 Firmware Version : 4.0.02 Elevation Cutoff Setting : 0 deg Date Installed : 2021-03-12T23:08Z Date Removed : 2021-07-15T17:25Z Temperature Stabiliz. : none Additional Information : 3.9 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL Serial Number : 00584 Firmware Version : 4.1.01 Elevation Cutoff Setting : 0 deg Date Installed : 2021-07-15T17:25Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : none Additional Information : Disabled BDS tracking. 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 : ASH701945B_M SCIT Serial Number : CR519992104 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0083 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : SCIT Radome Serial Number : Antenna Cable Type : 0.5 inch Heliax Antenna Cable Length : 60 m Date Installed : 2002-03-08T00:00Z Date Removed : 2012-11-13T23:20Z Additional Information : Antenna cable in Liquitight conduit 4.2 Antenna Type : ASH701945B_M NONE Serial Number : CR519992104 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0083 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 : 0.5 inch Heliax Antenna Cable Length : 60 m Date Installed : 2012-11-13T23:20Z Date Removed : 2012-12-06T21:45Z Additional Information : Antenna cable in Liquitight conduit : See section 10.1, radome damage had been found 4.3 Antenna Type : ASH701945B_M SCIT Serial Number : CR519992104 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0083 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : SCIT Radome Serial Number : 2406 Antenna Cable Type : 0.5 inch Heliax Antenna Cable Length : 60 m Date Installed : 2012-12-06T21:45Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : Antenna cable in Liquitight conduit 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 : GALA Tied Marker Usage : GPS Tied Marker CDP Number : None Tied Marker DOMES Number : 42005M001 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : dy (m) : dz (m) : Accuracy (mm) : Survey method : GPS CAMPAIGN Date Measured : 2002-03-08T00:00Z Additional Information : Survey tie data (GLPS) can be obtained from : the UNAVCO archive. Data is available : Mar 08 - May 21, 2002. GALA data is : is available from CDDIS. 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 : 2003-01-06/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 8.1.1 Humidity Sensor Model : Capacitance Probe Manufacturer : Paroscientific Serial Number : Data Sampling Interval : 5 minute sec Accuracy (% rel h) : 2 Aspiration : NATURAL Height Diff to Ant : 5 m Calibration date : (CCYY-MM-DD) Effective Dates : 2003-01-06/2010-06-17 Notes : 8.1.2 Humidity Sensor Model : MET4 Manufacturer : Paroscientific Serial Number : 79591 Data Sampling Interval : 1 minute sec Accuracy (% rel h) : 2 Aspiration : UNASPIRATED Height Diff to Ant : 5 m Calibration date : (CCYY-MM-DD) Effective Dates : 2010-06-17/CCYY-MM-DD Notes : 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 : Digiquartz Barometric Standard Manufacturer : Paroscientific Serial Number : Data Sampling Interval : 5 minute sec Accuracy : 0.010% hPa Height Diff to Ant : 5 m Calibration date : (CCYY-MM-DD) Effective Dates : 2003-01-06/2010-06-17 Notes : 8.2.2 Pressure Sensor Model : MET4 Manufacturer : Paroscientific Serial Number : 79591 Data Sampling Interval : 1 minute sec Accuracy : 0.1 hPa Height Diff to Ant : 5 m Calibration date : (CCYY-MM-DD) Effective Dates : 2010-06-17/CCYY-MM-DD Notes : 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 : Platinum Resistance Temperature Probe Manufacturer : Paroscientific Serial Number : Data Sampling Interval : 5 minute sec Accuracy : 0.5 deg C Aspiration : NATURAL Height Diff to Ant : 5 m Calibration date : Effective Dates : 2003-01-06/2010-06-17 Notes : 8.3.2 Temp. Sensor Model : MET4 Manufacturer : Paroscientific Serial Number : 79591 Data Sampling Interval : 1 minute sec Accuracy : 0.5 deg C Aspiration : UNASPIRATED Height Diff to Ant : 5 m Calibration date : Effective Dates : 2010-06-17/CCYY-MM-DD Notes : 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 : 2012-11-13/2012-11-13 Event : Site visit determined that vegetation has : completely surrounded the antenna and the : radome had been broken (large hole in one side) : at an unknown date. : The excess vegetation is to be cleared. : The remainder of the broken antenna dome : has been removed. The D/M antenna element : did not show damage. 10.2 Date : 2012-11-13/2012-11-13 Event : Transition from .soc to .ash data types. For : .soc data types used soc2rnx to do the : conversion to RINEX data. For ash data types : using teqc directly to do the conversion to : RINEX data. 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 : 4800 Oak Grove Drive : Pasadena, CA 91109 USA 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@postal.unavco.org Additional Information : 12. Responsible Agency (if different from 11.) Agency : Preferred Abbreviation : 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 : 13. More Information Primary Data Center : JPL Secondary Data Center : CDDIS URL for More Information : Hardcopy on File Site Map : Y Site Diagram : Y Horizon Mask : N Monument Description : Y Site Pictures : Y Additional Information : Antenna Graphics with Dimensions ASH701945B_M +-------+ / + \ <-- 0.1280 L2 | + | <-- 0.1100 L1 +-----------------+-------------+------------------+ <-- 0.1006 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.0376 +-------------------+-------------+--------------------+ <-- 0.0346 BCR | | | | +------x------+ <-- 0.0000BPA=ARP <-- 0.3794 -->