STFU Site Information Form (site log) International GNSS Service See Instructions at: ftp://igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Stefan Gewies (DLR) Date Prepared : 2017-01-12 Report Type : Update If Update: Previous Site Log : stfu_20151027.log Modified/Added Sections : 3.13 1. Site Identification of the GNSS Monument Site Name : Stanford University Four Character ID : STFU Monument Inscription : IERS DOMES Number : 49430S001 CDP Number : Monument Description : MAST Height of the Monument : Monument Foundation : WALL Foundation Depth : Marker Description : NONE Date Installed : 2009-12-09T00:00Z Geologic Characteristic : Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : The station is part of the EVnet network : of DLR's Institute of Communication and : Navigation. It is hosted by the Department of : Aeronautics and Astronautics of Stanford : University and located on the roof of the : Durand building : Multiple receivers are jointly operated from : a common antenna via a passive 4-way splitter. 2. Site Location Information City or Town : Palo Alto State or Province : California Country : United States Tectonic Plate : NORTH AMERICAN Approximate Position (ITRF) X coordinate (m) : -2700404.18 Y coordinate (m) : -4292605.52 Z coordinate (m) : +3855137.41 Latitude (N is +) : +372536.865 Longitude (E is +) : -1221023.847 Elevation (m,ellips.) : 20.41 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+SBAS Serial Number : 00184 Firmware Version : 3.1.1 Elevation Cutoff Setting : 5 deg Date Installed : 2009-12-09T00:00Z Date Removed : 2010-01-26T23:05Z Temperature Stabiliz. : Additional Information : 3.2 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+SBAS Serial Number : 00184 Firmware Version : 3.1.1 Elevation Cutoff Setting : 5 deg Date Installed : 2010-01-26T23:05Z Date Removed : 2010-02-05T00:00Z Temperature Stabiliz. : Additional Information : Installed active power splitter 3.3 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+SBAS Serial Number : 00184 Firmware Version : 3.1.1 Elevation Cutoff Setting : 5 deg Date Installed : 2010-02-05T00:00Z Date Removed : 2010-03-11T07:20Z Temperature Stabiliz. : Additional Information : Replaced active by passive power splitter 3.4 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+SBAS Serial Number : 00184 Firmware Version : 3.1.5b0 Elevation Cutoff Setting : 5 deg Date Installed : 2010-03-11T07:20Z Date Removed : 2010-04-23T13:25Z Temperature Stabiliz. : Additional Information : 3.5 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+SBAS Serial Number : 00184 Firmware Version : 3.1.6b1 Elevation Cutoff Setting : 5 deg Date Installed : 2010-04-23T13:25Z Date Removed : 2011-11-21T08:15Z Temperature Stabiliz. : Additional Information : 3.6 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+SBAS Serial Number : 00184 Firmware Version : 3.2.7 Elevation Cutoff Setting : 5 deg Date Installed : 2011-11-21T08:15Z Date Removed : 2011-12-20T13:00Z Temperature Stabiliz. : Additional Information : 3.7 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+SBAS Serial Number : 00184 Firmware Version : 3.3.5 Elevation Cutoff Setting : 5 deg Date Installed : 2011-12-20T13:00Z Date Removed : 2012-05-14T11:15Z Temperature Stabiliz. : Additional Information : 3.8 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+SBAS Serial Number : 00184 Firmware Version : 3.4.2 Elevation Cutoff Setting : 5 deg Date Installed : 2012-05-14T11:15Z Date Removed : 2012-06-13T14:30Z Temperature Stabiliz. : Additional Information : 3.9 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+SBAS Serial Number : 00184 Firmware Version : 3.4.4b0 Elevation Cutoff Setting : 5 deg Date Installed : 2012-06-13T14:30Z Date Removed : 2013-02-05T13:00Z Temperature Stabiliz. : Additional Information : 3.10 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+SBAS Serial Number : 00184 Firmware Version : 3.4.7 Elevation Cutoff Setting : 5 deg Date Installed : 2013-02-05T13:00Z Date Removed : 2014-10-14T14:38Z Temperature Stabiliz. : Additional Information : 3.11 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+SBAS Serial Number : 00184 Firmware Version : 3.6.0 Elevation Cutoff Setting : 5 deg Date Installed : 2014-10-14T14:38Z Date Removed : 2015-06-26T16:30Z Temperature Stabiliz. : Additional Information : 3.12 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+SBAS Serial Number : 00184 Firmware Version : 3.6.2 Elevation Cutoff Setting : 5 deg Date Installed : 2015-06-26T16:30Z Date Removed : 2017-01-12T15:05Z Temperature Stabiliz. : Additional Information : 3.13 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+SBAS Serial Number : 00184 Firmware Version : 3.6.9 Elevation Cutoff Setting : 5 deg Date Installed : 2017-01-12T15:05Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : Additional Information : 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 : TRM57971.00 NONE Serial Number : 30123268 Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 000.0000 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2009-12-09T00:00Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : 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) : (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 : EXTERNAL RUBIDIUM Input Frequency : 10 MHz Effective Dates : 2009-12-09/CCYY-MM-DD Notes : JAVAD TRE_G3TH DELTA; : Temex LPFRS 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.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.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.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.x Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : Stanford University Preferred Abbreviation : SU Mailing Address : Department of Aeronautics & Astronautics, : Stanford University : 496 Lomita Mall : Durand Building, room 250 : Stanford, CA 94305-4035, USA Primary Contact Contact Name : Douglas Archdeacon Telephone (primary) : +1(650)725-0903 Telephone (secondary) : Fax : E-mail : darch@stanford.edu Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 12. Responsible Agency (if different from 11.) Agency : German Aerospace Center Preferred Abbreviation : DLR Mailing Address : Institute of Communications and NAvigation : Kalkhorstweg 53 : 17235 Neustrelitz : Germany Primary Contact Contact Name : Stefan Gewies Telephone (primary) : +49(3981)480-187 Telephone (secondary) : Fax : E-mail : stefan.gewies@dlr.de Secondary Contact Contact Name : Thoralf Noack Telephone (primary) : +49(3981)480-136 Telephone (secondary) : Fax : E-mail : thoralf.noack@dlr.de Additional Information : 13. More Information Primary Data Center : BKG Secondary Data Center : CDDIS URL for More Information : Hardcopy on File Site Map : Site Diagram : N Horizon Mask : N Monument Description : N Site Pictures : N Additional Information : Data available Antenna Graphics with Dimensions TRM57971.00 / --------------------------------------------- \ + + \ --------------------------------------------- / \ / \ / \-----+-----/ <-- 0.0000 BAM=ARP <-- 0.3396 --> Notches 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.