MDO1 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 : 2007-02-09 Report Type : UPDATE If Update: Previous Site Log : mdo1_20041217.log Modified/Added Sections : 3.8 1. Site Identification of the GNSS Monument Site Name : McDonald Observatory Site Four Character ID : MDO1 Monument Inscription : 4011-S McDonald Observatory GPS Station IERS DOMES Number : 40442M012 CDP Number : none Monument Description : CONCRETE PILLAR Height of the Monument : 0.5 m Monument Foundation : (STEEL RODS, CONCRETE BLOCK, ROOF, etc) Foundation Depth : (m) Marker Description : STAINLESS STEEL PLATE Date Installed : 1993-06-03 Geologic Characteristic : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc) Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY) Bedrock Condition : (FRESH/JOINTED/WEATHERED) 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) : 0.457m diameter stainless steel plate : set flush in center of a 0.762m : diameter concrete monolith that : projects 0.5m above ground. 2. Site Location Information City or Town : Fort Davis State or Province : Texas Country : USA Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : -1329998.67 Y coordinate (m) : -5328393.387 Z coordinate (m) : 3236504.199 Latitude (N is +) : +304049.80 Longitude (E is +) : -1040054.00 Elevation (m,ellips.) : 2005.4936 Additional Information : Site located at the University of Texas : at Austin's McDonald Observatory near : Fort Davis, Texas. : Rocky Mountain Geological Province. : Tertiary igneous rocks found on the : surface. Due to erosion, the the soils : of hills and mountains are shallow, : whereas the soils of valleys and plains : are deep. 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : unknown Firmware Version : 2.6 1/8/1993 Elevation Cutoff Setting : 4 Date Installed : 1993-06-03T00:00Z Date Removed : 1993-06-30T00:00Z Temperature Stabiliz. : none Additional Information : 3.2 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : unknown Firmware Version : 2.8 6/8/1993 Elevation Cutoff Setting : 4 Date Installed : 1993-06-30T00:00Z Date Removed : 1994-11-23T00:00Z Temperature Stabiliz. : none Additional Information : 3.3 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T338 Firmware Version : 3.0 10/10/1994 17:00:01 Elevation Cutoff Setting : 4 Date Installed : 1994-11-23T00:00Z Date Removed : 1999-05-17T00:00Z Temperature Stabiliz. : none Additional Information : 3.4 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T338 Firmware Version : 3.2.32.8 Elevation Cutoff Setting : 4 Date Installed : 1999-05-17T00:00Z Date Removed : 2002-08-21T23:30Z Temperature Stabiliz. : none Additional Information : firmware update 3.5 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T338 Firmware Version : 3.2.32.11 Elevation Cutoff Setting : 4 Date Installed : 2002-08-21T23:30Z Date Removed : 2002-08-28T00:00Z Temperature Stabiliz. : none Additional Information : firmware update 3.6 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T390 Firmware Version : 3.2.32.11 Elevation Cutoff Setting : 4 Date Installed : 2002-08-28T00:00Z Date Removed : 2004-12-06T21:40Z Temperature Stabiliz. : none Additional Information : replace faulty receiver 3.7 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T331 Firmware Version : 3.2.32.11 Elevation Cutoff Setting : 4 Date Installed : 2004-12-07T00:00Z Date Removed : 2007-02-07T21:00Z Temperature Stabiliz. : none Additional Information : replace faulty receiver 3.8 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : UC1200340013 Firmware Version : CQ00 Elevation Cutoff Setting : 4 Date Installed : 2007-02-09T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : none Additional Information : AOAD/M_T antenna powered through GPS : signal splitter. 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 : 130 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 : 1993-03-05 Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : clear acrylic "JPLA" dome info added 2002-08-22 : note that this is a correction, : not a new radome installation 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 : 7080-1988 Tied Marker Usage : MLRS (McDonald Laser Ranging Station) Tied Marker CDP Number : 7080 Tied Marker DOMES Number : 40442M006 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -22.3939 dy (m) : -8.4807 dz (m) : -23.4064 Accuracy (mm) : Survey method : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc) Date Measured : 1993-03-17 Additional Information : 5.2 Tied Marker Name : 7850-1988 Tied Marker Usage : SLR and Mobile VLBI Tied Marker CDP Number : 7850 Tied Marker DOMES Number : 40442M008 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -9.5212 dy (m) : 1.7953 dz (m) : -1.4841 Accuracy (mm) : Survey method : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc) Date Measured : 1993-03-17 Additional Information : 5.3 Tied Marker Name : 7851-1988 Tied Marker Usage : SLR Tied Marker CDP Number : 7851 Tied Marker DOMES Number : 40442M011 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -10.7976 dy (m) : 2.4155 dz (m) : -0.973 Accuracy (mm) : Survey method : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc) Date Measured : 1993-03-17 Additional Information : 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 : EXTERNAL CESIUM Input Frequency : 5 MHz Effective Dates : 1993-06-03/1997-08-26 Notes : (multiple lines) 6.2 Standard Type : EXTERNAL XTAL VCO Input Frequency : 5 MHz Effective Dates : 1997-08-26/2002-08-21 Notes : Austron, <1us/day typ. 6.3 Standard Type : INTERNAL Input Frequency : 5 MHz Effective Dates : 2002-08-21/2002-08-28 Notes : steering off, exceeded VCO pulling range, : receiver needs repair/replacement 6.4 Standard Type : EXTERNAL XTAL VCO Input Frequency : 5 MHz Effective Dates : 2002-08-28/CCYY-MM-DD Notes : Austron, <1us/day typ. 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 : SLR Status : PERMANENT Effective Dates : 1994-11-04/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 Degredations : (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 : McDonald Observatory Preferred Abbreviation : MLRS Mailing Address : House 9 : Highway 118 : Fort Davis, TX : USA 79734 Primary Contact Contact Name : Jerry Wiant Telephone (primary) : 432-426-3668 Telephone (secondary) : Fax : 432-426-3803 E-mail : jrw@astro.as.utexas.edu Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) 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) 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 or URL) 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.