DWH100USA Site Information Form (site log) International GNSS Service See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr_v2.0.txt 0. Form Prepared by (full name) : Robert Khachikyan Date Prepared : 2012-10-07 Report Type : UPDATE If Update: Previous Site Log : dwh1_20121007.log Modified/Added Sections : 1. Site Identification of the GNSS Monument Site Name : DWH1 Nine Character ID : DWH100USA Monument Inscription : IERS DOMES Number : 49837S001 CDP Number : Monument Description : STEEL MAST Height of the Monument : Monument Foundation : ROOF Foundation Depth : Marker Description : Date Installed : 2000-10-05T23:00Z Geologic Characteristic : CLAY Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : earthquake 2001-02-28T18:55Z ~88 km SW 2. Site Location Information City or Town : Woodinville State or Province : WA Country or Region : USA Tectonic Plate : NORTH AMERICAN Approximate Position (ITRF) X coordinate (m) : -2280790.3090 Y coordinate (m) : -3638690.4100 Z coordinate (m) : 4700113.8600 Latitude (N is +) : +474626.78 Longitude (E is +) : -1220448.56 Elevation (m) : 109.1 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : 31807 Firmware Version : 2.2 p1 Elevation Cutoff Setting : 5 deg Date Installed : 2000-10-05T23:00Z Date Removed : 2002-12-20T23:45Z Temperature Stabiliz. : +/- 7 C Additional Information : Receiver's S22 observables are WAAS (AOR-W); : WAAS observables can be removed using TEQC -S 3.2 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : 31807 Firmware Version : 2.3 Elevation Cutoff Setting : 4 deg Date Installed : 2002-12-20T23:45Z Date Removed : 2004-05-03T13:30Z Temperature Stabiliz. : +/- 7 C Additional Information : Receiver's S22 observables are WAAS (AOR-W) 3.3 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : 31807 Firmware Version : 2.3 p4 Elevation Cutoff Setting : 3 deg Date Installed : 2004-05-03T13:30Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : +/- 7 C Additional Information : Receiver's S22 observables are WAAS (AOR-W) 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 : JPSREGANT_DD_E1 NONE Serial Number : RA0083 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0000 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 : Belden 9914 Antenna Cable Length : 20 m Date Installed : 2000-10-05T23:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : Standard JPS plastic housing (shown below) : Cable is shielded from sun by N side of bldg. : Goes through WRInc 2-way passive splitter, : then very short additional piece of cable. : Antenna type listed in this section retro- : actively changed from JPSREGANT_DD_E to : JPSREGANT_DD_E1. See IGSMAIL-6662 and : IGSMAIL-6663 for details. 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 5.1 Tied Marker Name : Tied Marker Usage : Tied Marker CDP Number : Tied Marker DOMES Number : Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : dy (m) : dz (m) : Accuracy (mm) : Survey method : Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : NGS-style deep rod monument is ~2.10745 km SSW 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 CESIUM Input Frequency : 5.0 MHz Effective Dates : 2000-10-05/CCYY-MM-DD Notes : (Agilent) HP 5071A, steered to UTC 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 : Status : Effective Dates : CCYY-MM-DD/CCYY-MM-DD Notes : Ashtech Z-XII3/T-Metronome via antenna splitter 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 : MET3A Manufacturer : Paroscientific Serial Number : 74906 Data Sampling Interval : 60 sec Accuracy (% rel h) : 3 Aspiration : FAN Height Diff to Ant : -9.1 m Calibration date : Effective Dates : 2000-10-24/CCYY-MM-DD Notes : 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 : MET3A Manufacturer : Paroscientific Serial Number : 74906 Data Sampling Interval : 60 sec Accuracy : 0.1 hPa Height Diff to Ant : -9.1 m Calibration date : Effective Dates : 2000-10-24/CCYY-MM-DD Notes : 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 : MET3A Manufacturer : Paroscientific Serial Number : 74906 Data Sampling Interval : 60 sec Accuracy : 0.2 deg C Aspiration : FAN Height Diff to Ant : -9.1 m Calibration date : Effective Dates : 2000-10-24/CCYY-MM-DD Notes : 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) 9.3.1 Signal Obstructions : TREES Effective Dates : 2000-10-05/CCYY-MM-DD Additional Information : primarily WNW of antenna below ~18 degrees 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 : (private individual) Preferred Abbreviation : DWH Mailing Address : 20241 194th PL NE : Woodinville, WA 98077-8889 (US) Primary Contact Contact Name : Douglas W. Hogarth Telephone (primary) : +1 425 788 1507 Telephone (secondary) : +1 206 390 8733 Fax : E-mail : DougHo@niceties.com Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : 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.niceties.com/dwh1.html Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Site Pictures : Additional Information : Antenna Graphics with Dimensions JPSREGANT_DD_E1 +-------------------------+ <--------------Plastic Housing for / ------------------- \ Antenna/Choke Ring / / + \ \ <-- 0.1186 L2 +---------+ | + | +---------+ <-- 0.1131 L1 | +-------------------------------------------------+ | <-- 0.xxxx TCR / | | \ | | | | | | | | | | | | \+-----------------------------------------------------+/ |+-----------------------------------------------------+| <-- 0.xxxx BCR \______________ | | ______________/ \ | | / \+---------x---------+/ <-- 0.0000 BPA=ARP 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