International GPS Service GLPS Site Information Form See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : David Maggert Date Prepared : 2008-10-31 Report Type : UPDATE If Update: Previous Site Log : glps_20080702.log Modified/Added Sections : 2, 3.1, 3.2 1. Site Identification of the GNSS Monument Site Name : Galapagos Permanent Station Four Character ID : GLPS Monument Inscription : None IERS DOMES Number : 42005M002 CDP Number : None 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 : 2002-03-08 Geologic Characteristic : BEDROCK, BASALT Bedrock Type : IGNEOUS 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 : This station replaces GALA (42005M001). 2. Site Location Information City or Town : Puerto Ayora State or Province : Galapagos Island Country : Ecuador Tectonic Plate : Approximate Position (ITRF) X coordinate (m) : -33801.4662 Y coordinate (m) : -6377516.5323 Z coordinate (m) : -82154.3508 Latitude (N is +) : -004434.7966 Longitude (E is +) : -0901813.2136 Elevation (m,ellips.) : 1.7946 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 : (multiple lines) 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 : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : none Additional Information : (multiple lines) 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS/GLONASS/GPS+GLONASS) Serial Number : (A5) 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 : 2002-03-08 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) : (mm) Survey method : GPS CAMPAIGN Date Measured : 2002-03-08 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. 6. Frequency Standard 6.1 Standard Type : INTERNAL Input Frequency : Effective Dates : 2003-01-06/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 : Capacitance Probe Manufacturer : Paroscientific Serial Number : Data Sampling Interval : 5 minutes Accuracy (% rel h) : +/- 2 Aspiration : NATURAL Height Diff to Ant : 5 m Calibration date : (CCYY-MM-DD) Effective Dates : 2003-01-06/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 minutes Accuracy : 0.010% Height Diff to Ant : 5 m Calibration date : (CCYY-MM-DD) Effective Dates : 2003-01-06/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 minutes Accuracy : 0.5 deg C Aspiration : NATURAL Height Diff to Ant : 5 m Calibration date : (CCYY-MM-DD) Effective Dates : 2003-01-06/CCYY-MM-DD Notes : 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 : none Manufacturer : Serial Number : Distance to Antenna : Height Diff to Ant : Calibration date : (CCYY-MM-DD) Effective Dates : Notes : 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 : 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 : 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@ls.unavco.org, andreatta@unavco.org Additional Information : Victoria Andreatta (303.381.7458) 12. Responsible Agency (if different from 11.) Agency : (multiple lines) Preferred Abbreviation : (A10) Mailing Address : (multiple lines) Primary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 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 : Y Site Diagram : Y Horizon Mask : N Monument Description : Y Site Pictures : Y Additional Information : (multiple lines) 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 -->