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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
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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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