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            : 2017-01-25
     Report Type              : Update
     If Update:
      Previous Site Log       : stfu_20170112.log
      Modified/Added Sections : 6.1 and 6.2


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        : 2009-12-09/2017-01-25
       Notes                  : JAVAD TRE_G3TH DELTA;
                              : Temex LPFRS

6.2  Standard Type            : EXTERNAL NONE
       Input Frequency        : 
       Effective Dates        : 2017-01-25/CCYY-MM-DD
       Notes                  : External frequency deactivated at 13:40Z

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.