SAM1: GPS DATA DOWNLOAD

Surveying And Mapping, Inc. is happy to offer our GPS reference station data free of charge, at your own liability. We make every effort to ensure the data provided on this site is complete and accurate. Including this data in your GPS processing can tie your survey to national or international datums.
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SAM1 -- STATION DETAILS:


                          SAM1 Site Information Form
     International GPS Service
     See Instructions at:
       ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt

0.   Form

     Prepared by              : Clay Harris
     Date Prepared            : 2008-01-10
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : sam1_20060117.log
      Modified/Added Sections : 11, 13


1.   Site Identification of the GNSS Monument

     Site Name                : Surveying And Mapping CORS 1
     Four Character ID        : SAM1
     Monument Inscription     : 
     IERS DOMES Number        : (A9)
     CDP Number               : 
     Monument Description     : Antenna on concrete-reinforced pillar
       Height of the Monument : 5.3m
       Monument Foundation    : Concrete-reinforced column 
       Foundation Depth       : 10m
     Marker Description       : ARP of Trimble Zephyr Geodetic antenna with radome
     Date Installed           : 2004-11-18
     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)


2.   Site Location Information

     City or Town             : Austin
     State or Province        : Texas
     Country                  : United States of America
     Tectonic Plate           : North American
     Approximate Position (ITRF)
       X coordinate (m)       :   -752511.446m
       Y coordinate (m)       :  -5463584.343m
       Z coordinate (m)       :   3193356.631m
       Latitude (N is +)      :  30 14 18.95
       Longitude (E is +)     : 262  9 28.32
       Elevation (m,ellips.)  :       207.5
     Additional Information   : 


3.   GNSS Receiver Information

3.1  Receiver Type            : TRIMBLE NETRS
     Satellite System         : GPS
     Serial Number            : 4416233488
     Firmware Version         : 1.1-1 3/11/04
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2005-02-10
     Date Removed             : (CCYY-MM-DDThh:mmZ)
     Temperature Stabiliz.    : 5 degrees C
     Additional Information   : Receiver is controlled by Trimble GPSBase software.

3.x  Receiver Type            : (A20, from rcvr_ant.tab; see instructions)
     Satellite System         : (GPS/GLONASS/GPS+GLONASS)
     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             : TRM41249.00     TZGD
     Serial Number            : 12611576
     Antenna Reference Point  : TOP
     Marker->ARP Up Ecc. (m)  : 00.000
     Marker->ARP North Ecc(m) : 00.000
     Marker->ARP East Ecc(m)  : 00.000
     Alignment from True N    : 0
     Antenna Radome Type      : TZGD
     Radome Serial Number     : 
     Antenna Cable Type       : LMR400
     Antenna Cable Length     : 90m
     Date Installed           : 2005-02-10
     Date Removed             : (CCYY-MM-DDThh:mmZ)
     Additional Information   : (multiple lines)

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            : INTERNAL
       Input Frequency        : 
       Effective Dates        : 
       Notes                  : 

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     : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/TIME/etc)
       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 : (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     : None visable within a mile
       Observed Degradations  : None observed
       Effective Dates        : 2004-02-16(/CCYY-MM-DD)
       Additional Information : 

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)

9.2.1 Multipath Sources       : Metal Roof  
       Effective Dates        : 2005-02-16(/CCYY-MM-DD)
       Additional Information : Bulding is C-shaped with distances varying
                                from 135ft @ 250° to 275ft @180° and  
                                200ft @ 150° from antenna

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     : Oak Tree 13°elev @ 43°azm
       Effective Dates        : 2005-02-16(/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                   : Surveying And Mapping, Inc.
     Preferred Abbreviation   : SAM, Inc.
     Mailing Address          : 5508 Highway 290 West, Bldg. B
                                Austin, Tx 78735
     Primary Contact
       Contact Name           : Clay Harris
       Telephone (primary)    : (512) 447-0575
       Telephone (secondary)  : (512) 493-0260
       Fax                    : (512) 326-3029
       E-mail                 : CHarris@SAMInc.biz
     Secondary Contact
       Contact Name           : Kipp Hearn
       Telephone (primary)    : (512) 447-0575
       Telephone (secondary)  : 
       Fax                    : (512) 326-3029
       E-mail                 : KHearn@SAMInc.biz
     Additional Information   : 


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      :
     Secondary Data Center    :
     URL for More Information : http://www.saminc.biz/CORS/SAM1/index.html
     Hardcopy on File
       Site Map               : URL
       Site Diagram           : URL
       Horizon Mask           : URL
       Monument Description   : URL
       Site Pictures          : URL
     Additional Information   : 

     Elevation mask table 

  AZ   ELEV    AZ   ELEV    AZ   ELEV    AZ   ELEV
  10    <5     20    <5     30    18     40    <5
  50    <5     60    <5     70    <5     80    <5
  90    <5    100    <5    110    <5    120     7
 130     5    140     7    150     5    160     7
 170     5    180     7    190     5    200     5
 210     7    220     7    230    <5    240    <5
 250    <5    260    <5    270    <5    280     5
 290    <5    300     5    310    <5    320    <5
 330    <5    340    <5    350    <5    360    <5


     Antenna Graphics with Dimensions

TRM41249.00

    / ----------------------+--------------------- \   <--  0.0714  L1
   +                        +                       +  <--  0.0682  L2
    \ -------------------------------------------- /   
                    \               /
                     \             /
                      \-----+-----/                    <--  0.0000  ARP=TOP

   <--                   0.3396                  -->

          

                           
          

                           

 

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