GRMD Site Information Form
WSRN Continuously Operating Reference Station
See Instructions at:
ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt
0. Form
Prepared by (full name) : Francine Coloma
Date Prepared : 2017-06-23
Report Type : UPDATE
If Update:
Previous Site Log : grmd_20160628.log
Modified/Added Sections : 3.3, 3.4
1. Site Identification of the GNSS Monument
Site Name : Grand Mound
Four Character ID : GRMD
Monument Inscription :
IERS DOMES Number : (A9)
CDP Number : (A4)
Monument Description : Wyatt/Agnew drilled-braced
Height of the Monument : 2 m
Monument Foundation : (STEEL RODS/CONCRETE BLOCK/ROOF/etc)
Foundation Depth : 10 m
Marker Description : Divot in center post of SCIGN D3 antennaAdapter.
Date Installed : 2005-06-30T00:00Z
Geologic Characteristic : outwash gravel
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/DOTY)
Distance/activity : (multiple lines)
Additional Information : 3 brace legs Constructed by Earthsafe, Whittier
2. Site Location Information
City or Town : Grand Mound
State or Province : Washington
Country : United States
Tectonic Plate : North American
Approximate Position (ITRF)
X coordinate (m) : -2383866.011
Y coordinate (m) : -3667664.129
Z coordinate (m) : 4626251.939
Latitude (N is +) : +464743.75
Longitude (E is +) : -1230121.35
Elevation (m,ellips.) : 30.7
Additional Information : ARP IGS08 POSITION (EPOCH 2005.00)
: Computed in Mar 2012 using 26 days of data.
3. GNSS Receiver Information
3.1 Receiver Type : TRIMBLE 4700
Satellite System : GPS
Serial Number : 20138311
Firmware Version : 00100
Elevation Cutoff Setting : (deg)
Date Installed : 2005-06-30
Date Removed : 2010-10-18
Temperature Stabiliz. : (none or tolerance in degrees C)
Additional Information : (multiple lines)
3.2 Receiver Type : TPS NET-G3A
Satellite System : GPS+GLO
Serial Number : 618-00958
Firmware Version : 3.5
Elevation Cutoff Setting : 5 deg
Date Installed : 2010-10-18
Date Removed : 2016-06-23T12:30Z
Temperature Stabiliz. : (none or tolerance in degrees C)
Additional Information : Receiver change
3.3 Receiver Type : TRIMBLE NETR5
Satellite System : GPS+GLO
Serial Number : 5012K66461
Firmware Version : 4.03
Elevation Cutoff Setting : 5 deg
Date Installed : 2016-06-23T12:30Z
Date Removed : 2017-06-23T10:07Z
Temperature Stabiliz. : (none or tolerance in degrees C)
Additional Information : Receiver change
3.4 Receiver Type : TRIMBLE NETR9
Satellite System : GPS+GLO
Serial Number : 5617R50211
Firmware Version : 5.20
Elevation Cutoff Setting : 5 deg
Date Installed : 2017-06-23T10:58Z
Date Removed : (CCYY-MM-DDThh:mmZ)
Temperature Stabiliz. : (none or tolerance in degrees C)
Additional Information : (multiple lines)
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 : TRM33429.00-GP SCIT
Serial Number : UNKNOWN
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.0083
Marker->ARP North Ecc(m) : 0.0000
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 0 deg
Antenna Radome Type : SCIT
Radome Serial Number :
Antenna Cable Type : (vendor & type number)
Antenna Cable Length : 38 m
Date Installed : 2005-06-30
Date Removed : 2007-08-06
Additional Information : (multiple lines)
4.2 Antenna Type : TPSCR.G3 SCIT
Serial Number : 383-1966
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.0083
Marker->ARP North Ecc(m) : 0.0000
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 0 deg
Antenna Radome Type : SCIT
Radome Serial Number :
Antenna Cable Type : LMR-400
Antenna Cable Length : 38 m
Date Installed : 2010-11-18
Date Removed : 2016-06-23T12:00Z
Additional Information : Antenna change
4.3 Antenna Type : TRM57971.00 NONE
Serial Number : 1012118077
Antenna Reference Point : BAM
Marker->ARP Up Ecc. (m) : 0.0083
Marker->ARP North Ecc(m) : 0.0000
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 0 deg
Antenna Radome Type : NONE
Radome Serial Number :
Antenna Cable Type : LMR-400
Antenna Cable Length : 38 m
Date Installed : 2016-06-23T12:30Z
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 : (if external)
Effective Dates : 2005-06-30/CCYY-MM-DD
Notes : (multiple lines)
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)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
9. Local Ongoing Conditions Possibly Affecting Computed Position
9.1.x Radio Interference : (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/BUILDLINGS/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 : WASHINGTON STATE REFERENCE NETWORK
Preferred Abbreviation : WSRN
Mailing Address : 700 5TH STE 4700 AVE SEATTLE, WA
Primary Contact
Contact Name : Gavin Schrock
Telephone (primary) : 206-684-5630
Telephone (secondary) : 206-423-4765
Fax : 206-684-7396
E-mail : Gavin.Schrock@Seattle.Gov
Secondary Contact
Contact Name : Cirt Yancy
Telephone (primary) : 206-255-7278
Telephone (secondary) : 206-233-2688
Fax : 206-684-7396
E-mail : Cirt.Yancy@Seattle.Gov
Additional Information : (multiple lines)
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 : ftp://ftp.panga.cwu.edu/pub/data/incoming/
Secondary Data Center : ftp://alt.ngs.noaa.gov/cors
URL for More Information : http://geodesy.noaa.gov/CORS
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
ftp://igscb.jpl.nasa.gov/pub/station/general/antenna.gra