AREQ Site Information Form International GPS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Oivind Ruud Date Prepared : 2007-05-04 Report Type : UPDATE If Update: Previous Site Log : areq_20060609.log Modified/Added Sections : 4.2, 10.4 1. Site Identification of the GNSS Monument Site Name : Arequipa Laser Station Four Character ID : AREQ Monument Inscription : 4021-S IERS DOMES Number : 42202M005 CDP Number : None Monument Description : CONCRETE PILLAR Height of the Monument : 0.7 Monument Foundation : CONCRETE BLOCK Foundation Depth : (m) Marker Description : DIVOT IN STEEL PLATE Date Installed : 1993-01-01 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 : Eugeosynclinal belt of Mesozoic Age : Quaternary alluvium overlying granodioritic : upper Cretaceous lower Tertiary coastal : batholith. This batholith contains faulted : inliers of Precambrian gneiss. : The monument is ~50 m north of : TLRS-3 Laser station : Geological information from "NASA Space Geodesy : Program Memorandum 4482" p10. 2. Site Location Information City or Town : Arequipa State or Province : Country : Peru Tectonic Plate : South American Approximate Position (ITRF) X coordinate (m) : 1942826.1920 Y coordinate (m) : -5804070.3310 Z coordinate (m) : -1796894.2670 Latitude (N is +) : -162755.8612 Longitude (E is +) : -0712934.0680 Elevation (m,ellips.) : 2488.9226 Additional Information : The site is located in western South America in : southern Peru at the Smithsonian Astronomical : Observatory. 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T253 Firmware Version : 2.8.32.1x 93/05/25 Elevation Cutoff Setting : 4 Date Installed : 1994-02-01T00:00Z Date Removed : 1995-03-05T00:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.2 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T253 Firmware Version : 3.0 Elevation Cutoff Setting : 4 Date Installed : 1995-03-05T00:00Z Date Removed : 1995-05-12T00:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.3 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T130 Firmware Version : 3.2 link 03/02/95 Elevation Cutoff Setting : 4 Date Installed : 1995-05-12T00:00Z Date Removed : 1999-07-16T00:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.4 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T130 Firmware Version : 3.2.32.8 Elevation Cutoff Setting : 4 Date Installed : 1999-07-16T00:00Z Date Removed : 2000-01-28T00:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.5 Receiver Type : AOA SNR-8000 ACT Satellite System : GPS Serial Number : T360U Firmware Version : 3.3.32.2 Elevation Cutoff Setting : 4 Date Installed : 2000-01-28T00:00Z Date Removed : 2002-08-13T20:45Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.6 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : ZR220010203 Firmware Version : CJ10 1s soc2rnx Elevation Cutoff Setting : 4 Date Installed : 2002-08-13T20:45Z Date Removed : 2006-02-16T17:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.7 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : ZR220010401 Firmware Version : CQ00 Elevation Cutoff Setting : 4 Date Installed : 2006-05-21T00:00Z 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 : AOAD/M_T JPLA Serial Number : 294 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.061 Marker->ARP North Ecc(m) : 0.000 Marker->ARP East Ecc(m) : 0.000 Alignment from True N : Antenna Radome Type : JPLA Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1994-03-29T00:00Z Date Removed : 2002-03-05T13:00Z Additional Information : antenna removed and replaced for local : survey 05-MAR-2002; off mount from : 13:00-20:45 UT 4.2 Antenna Type : AOAD/M_T JPLA Serial Number : 294 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.061 Marker->ARP North Ecc(m) : 0.000 Marker->ARP East Ecc(m) : 0.000 Alignment from True N : Antenna Radome Type : JPLA Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2002-03-05T20:45Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : RF signal split to 2nd receiver running : as unofficial ARE2. : Antenna temporarily removed for local : SLR/DORIS tie survey 2007-05-01T12:41Z : replaced same day 22:40Z. 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 : CDP Station-7403 Tied Marker Usage : SLR Tied Marker CDP Number : 7403 Tied Marker DOMES Number : 42202M003 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -18.6152 dy (m) : 0.5478 dz (m) : -21.4987 Accuracy (mm) : (mm) Survey method : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc) Date Measured : 1994-03-07 Additional Information : Mark SLR : Site Ref Domes Number and information from : "IERS Tech Note 20, Results and Analysis of the : ITRF94" March 1996, Tables T2 pT24 and T4 pT56. 5.2 Tied Marker Name : EST SATELITE (East Satellite mark Ref. 1) Tied Marker Usage : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc) Tied Marker CDP Number : none Tied Marker DOMES Number : 42202M004 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -41.6902 dy (m) : -11.3518 dz (m) : -17.0411 Accuracy (mm) : (mm) Survey method : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc) Date Measured : 1994-03-07 Additional Information : No CDP number listed in, and Monument Name in : parentheses from : and Analysis of the ITRF94" March 1996, Table T2 : pT24. 5.3 Tied Marker Name : DORIS Ref Pt Tied Marker Usage : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc) Tied Marker CDP Number : none Tied Marker DOMES Number : 42202S005 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -29.9827 dy (m) : -07.4719 dz (m) : -25.1257 Accuracy (mm) : (mm) Survey method : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc) Date Measured : 1994-03-07 Additional Information : No CDP number listed in Table T2 pT24, and Site : Ref Domes from Tables T2 pT24 and T4 pT56 : Tech Note 20, Results and Analysis of the : ITRF94" March 1996. 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 : INTERNAL Input Frequency : (if external) Effective Dates : 1994-03-01/2000-01-28 Notes : Exact date in Mar 1994 not known 6.2 Standard Type : RUBIDIUM Input Frequency : 5 MHz Effective Dates : 2000-01-28/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 : DORIS/SLR 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 : 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 : (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 10.1 Date : 1996-11-12 Event : 7.7 earthquake 10.2 Date : 2001-06-23T20:33:13Z Event : 8.4 earthquake 10.3 Date : 2001-07-07T09:38:43Z Event : 7.6 aftershock 10.4 Date : 2007-05-01T12:41Z Event : Antenna temporarily removed for local : SLR/DORIS tie survey 12:41 UTC : replaced same day 22:40 UTC. 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 : USA 91109 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 : Network Engineer/UNAVCO Telephone (primary) : 303-381-7476 Telephone (secondary) : 303-381-7500 Fax : 303-381-7451 E-mail : ruud@unavco.org, andreatta@unavco.org Additional Information : Oivind Ruud (303.381.7476) or 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 : http://www.unavco.net/public/logs/ : sitedetails.aspx 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 Additional Information : (multiple lines) Antenna Graphics with Dimensions AOAD/M_T ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | | | +------x------+ <-- 0.000 BPA=ARP <-- 0.381 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering TGP: Top of Ground Plane BGP: Bottom of Ground Plane TPA: Top of Preamplifier BPA: Bottom of Preamplifier TOP: Top of Pole All dimensions are in meters.