GRMD Site Information Form
     WSRN Continuously Operating Reference Station
     See Instructions at:
       ftp://www.igs.org/pub/station/general/sitelog_instr.txt

0.   Form

     Prepared by (full name)  : Don Haw as per Gavin Schrock
     Date Prepared            : 2020-06-23
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : grmd_20180716.log
      Modified/Added Sections : 3.4-6, 4.3-5


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             : 2018-07-23
     Temperature Stabiliz.    : (none or tolerance in degrees C)
     Additional Information   : (multiple lines)

3.5  Receiver Type            : TRIMBLE NETR9 
     Satellite System         : GPS+GLO
     Serial Number            : 5617R50211 
     Firmware Version         : 5.22
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2018-07-23
     Date Removed             : 2019-05-21
     Temperature Stabiliz.    : (none or tolerance in degrees C)
     Additional Information   : (multiple lines)

3.6  Receiver Type            : TRIMBLE NETR9 
     Satellite System         : GPS+GLO
     Serial Number            : 5617R50211 
     Firmware Version         : 5.37
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2019-05-21
     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     SCIT
     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      : SCIT
     Radome Serial Number     :
     Antenna Cable Type       : LMR-400
     Antenna Cable Length     : 38 m
     Date Installed           : 2016-06-23T12:30Z
     Date Removed             : 2019-05-29T00:00Z
     Additional Information   : 13-JUL-2018 FSC correct section, was 
                              :  missing SCIT dome

4.4  Antenna Type             : TRM115000.00+S  SCIT
     Serial Number            : 1441052839
     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      : SCIT
     Radome Serial Number     :
     Antenna Cable Type       : LMR-400
     Antenna Cable Length     : 38 m
     Date Installed           : 2019-05-29T00:00Z
     Date Removed             : 2020-06-23T17:00Z
     Additional Information   : Zephyr 3 Geodetic with SCIT spacer
                              : the IGS model was in error to the tune of 3cm
                              : and has been withdrawn.

4.5  Antenna Type             : TRM57971.00     SCIT
     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      : SCIT
     Radome Serial Number     :
     Antenna Cable Type       : LMR-400
     Antenna Cable Length     : 38 m
     Date Installed           : 2020-06-23T17:00Z
     Date Removed             : (CCYY-MM-DDThh:mmZ)
     Additional Information   : previous antenna installed

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           : Hunter Eastman
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 206-684-7396
       E-mail                 : hunter.eastman@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://www.igs.org/pub/station/general/antenna.gra