DVTG Site Information Form (site log) International GPS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Richard Bingley Date Prepared : 2017-11-09 Report Type : UPDATE If Update: Previous Site Log : dvtg_20090605.log Modified/Added Sections : 3.7, 4.7 1. Site Identification of the GNSS Monument Site Name : Dover Tide Gauge Four Character ID : DVTG Monument Inscription : IERS DOMES Number : 13283M002 CDP Number : (A4) Monument Description : STEEL PLATE AND CARBON FIBRE PIPE Height of the Monument : 2.0m Monument Foundation : PIER Foundation Depth : (m) Marker Description : TOP OF 40mm DIA THREAD ON STEEL PLATE Date Installed : 1993-10-13T12:00Z Geologic Characteristic : BEDROCK Bedrock Type : SEDIMENTARY (CHALK) 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 : The monument is mounted about 15m from the tide : gauge building, and located on the Prince of : Wales Pier. : The GPS antenna is located on a monument which : consists of a 2m (originally 1.8m) carbon fibre : pipe mounted on a steel plate, which is fixed : to the stone wall of the pier. : The GPS antenna is attached to the carbon fibre : pipe using a 5/8" thread. : The carbon fibre pipe is attached to the steel : plate using a 40 mm diameter thread. : The male part of the 40mm diameter thread is on : the steel plate and has a domed head, which : serves as the survey marker. 2. Site Location Information City or Town : Dover State or Province : Kent Country : England Tectonic Plate : EURASIAN Approximate Position X coordinate (m) : 4011084 Y coordinate (m) : 92599 Z coordinate (m) : 4941592 Latitude (N is +) : +510652.30 Longitude (E is +) : +011920.94 Elevation (m,ellips.) : 50.1 Additional Information : (multiple lines) 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 01884 Firmware Version : 4J90 Elevation Cutoff Setting : 5 Date Installed : 1999-07-02T14:38Z Date Removed : 1999-07-08T09:31Z Temperature Stabiliz. : NONE Additional Information : Full receiver serial number is LP 01884. : Operation on site. : Download using HOSE. : Conversion to RINEX using ASRINEXO v2.9.6 : (with PR SMOOTH FLAG 0). 3.2 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 01845 Firmware Version : 6J00 Elevation Cutoff Setting : 5 Date Installed : 1999-11-05T15:19Z Date Removed : 1999-11-11T11:28Z Temperature Stabiliz. : NONE Additional Information : Full receiver serial number is LP 01845. : Operation on site. : Download using HOSE. : Conversion to RINEX using ASRINEXO v2.9.6 : (with PR SMOOTH FLAG 0). 3.3 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 01845 Firmware Version : CD00 Elevation Cutoff Setting : 5 Date Installed : 2002-06-13T15:19Z Date Removed : 2002-07-18T23:59Z Temperature Stabiliz. : NONE Additional Information : Full receiver serial number is LP 01845. : Operation using a direct modem connection. : Download using CGREMOTE v5.4.00 CGRSCD00 and : CGHOSE v6.0.00 CGRSCD00. : Conversion to RINEX using ASRINEXO v2.9.7 : (with PR SMOOTH FLAG 0). 3.4 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 01845 Firmware Version : CD00 Elevation Cutoff Setting : 5 Date Installed : 2003-02-06T15:19Z Date Removed : 2003-03-09T23:59Z Temperature Stabiliz. : NONE Additional Information : Full receiver serial number is LP 01845. : Operation using a direct modem connection. : Download using CGREMOTE v5.4.00 CGRSCD00 and : CGHOSE v6.0.00 CGRSCD00. : Conversion to RINEX using ASRINEXO v2.9.7 : (with PR SMOOTH FLAG 0). 3.5 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : 10207 Firmware Version : CJ00 Elevation Cutoff Setting : 5 Date Installed : 2005-11-24T15:00Z Date Removed : 2007-06-19T23:59Z Temperature Stabiliz. : NONE Additional Information : Receiver is an Ashtech Micro-Z. : Full receiver serial number is ZR 2001 0207. : Operation using a direct modem connection. : Download using MicroManager Pro v1.1.00 (2001). : Conversion to RINEX using ASRINEXO v2.9.7 : (with PR SMOOTH FLAG 0). 3.6 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : 26007 Firmware Version : CQ00 Elevation Cutoff Setting : 5 Date Installed : 2007-06-22T00:00Z Date Removed : 2008-12-09T23:59Z Temperature Stabiliz. : NONE Additional Information : Receiver is an Ashtech Micro-Z. : Full receiver serial number is UC1 2003 26007. : Operation using a direct modem connection. : Download using MicroManager Pro v1.1.00 (2001). : Conversion to RINEX using ASRINEXO v2.9.7 : (with PR SMOOTH FLAG 0). 3.7 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : 26007 Firmware Version : CQ00 Elevation Cutoff Setting : 5 Date Installed : 2008-12-10T00:00Z Date Removed : 2012-05-24T23:59Z Temperature Stabiliz. : NONE Additional Information : Receiver is an Ashtech Micro-Z. : Full receiver serial number is UC1 2003 26007. : Operation using a direct modem connection. : Download using MicroManager Pro v2.2.00 (Feb 1, 2005). : Conversion to RINEX using TEQC 2008Oct2. 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS/GLONASS/GPS+GLONASS) Serial Number : (A5) 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 : ASH700936D_M SNOW Serial Number : 13145 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 1.8030 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1999-07-02T14:38Z Date Removed : 1999-07-08T09:31Z Additional Information : Full antenna serial number is CR 13145. : On original monument consisting of original : (first) bolts, original (first) steel plate : and original (first) carbon fibre pipe. 4.2 Antenna Type : ASH700936D_M SNOW Serial Number : 13141 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 1.8030 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1999-11-05T15:19Z Date Removed : 1999-11-11T11:28Z Additional Information : Full antenna serial number is CR 13141. : On original monument consisting of original : (first) bolts, original (first) steel plate : and original (first) carbon fibre pipe. 4.3 Antenna Type : ASH700936D_M SNOW Serial Number : 13141 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 1.8027 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2002-06-13T15:19Z Date Removed : 2002-07-18T23:59Z Additional Information : Full antenna serial number is CR 13141. : On original monument consisting of original : (first) bolts, original (first) steel plate : and original (first) carbon fibre pipe. 4.4 Antenna Type : ASH700936D_M SNOW Serial Number : 13141 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 1.8027 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2003-02-06T15:19Z Date Removed : 2003-03-09T23:59Z Additional Information : Full antenna serial number is CR 13141. : On original monument consisting of original : (first) bolts, original (first) steel plate : and original (first) carbon fibre pipe. 4.5 Antenna Type : ASH701945C_M SNOW Serial Number : 10215 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 2.0000 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : ASHTECH 100914 REVA Antenna Cable Length : 30m Date Installed : 2005-11-24T15:00Z Date Removed : 2007-10-24T23:59Z Additional Information : Full antenna serial number is CR5 2001 0215. : The monument was re-installed on 2005-11-24 : with the same (firt) bolts but with a new (second) : steel plate and a new (second) carbon fibre pipe. : All attempts were made to put the new (second) : steel plate in the same place as the previous : (first) steel plate but local levelling suggests : that the new survey marker may be 1mm higher than : the previous survey marker. : The monument was damaged in a storm some time : shortly after 2007-10-24. 4.6 Antenna Type : ASH701945C_M SNOW Serial Number : 10215 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 2.0000 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : ASHTECH 100914 REVA Antenna Cable Length : 30m Date Installed : 2008-01-24T12:30Z Date Removed : 2009-05-08T23:59Z Additional Information : Full antenna serial number is CR5 2001 0215. : The monument was re-installed on 2008-01-24 with : the same (second) carbon fibre piple but with : new (second) bolts and a new (third) steel plate. : The same antenna was put back in place but with a : new 30m antenna cable. : All attempts were made to put the new (third) steel : plate at the same height as the previous (second) : steel plate but local levelling suggests that the : new survey marker may be 2 to 3mm lower than the : previous survey marker and the GPS time series : suggest that the new survey marker is about : 39 to 43mm to the North, 10 to 14mm to the : East and 3 to 5mm below the previous survey : marker. : For long term studies, therefore, it is : advisable to allow for a coordinate offset in : the time series between 2007-10-24 and 2008-01-24. : The monument was damaged in a storm some time : shortly after 2009-05-08. 4.7 Antenna Type : ASH701945C_M SNOW Serial Number : 10215 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 2.0000 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : ASHTECH 100914 REVA Antenna Cable Length : 30m Date Installed : 2009-06-06T00:00Z Date Removed : 2012-05-24T23:59Z Additional Information : Full antenna serial number is CR5 2001 0215. : The monument was re-installed on 2009-06-05 : with the same (second) bolts and the same : (second) carbon fibre pipe but with a new (fourth) : steel plate. : The same antenna was put back in place with the : same 30m antenna cable. : All attempts were made to put the new (fourth) steel : plate at the same height as the previous (third) : steel plate but local levelling suggests that the : new survey marker may be 1mm higher than the : previous survey marker. : For long term studies, therefore, it is : advisable to allow for a coordinate offset in : the time series between 2009-05-08 and 2009-06-06. 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 : 1999-07-02/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 8.1.1 Humidity Sensor Model : NONE 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 : NONE 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 : NONE 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 : NONE 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.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.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-DDThh:mmZ) Event : (TREE CLEARING/CONSTRUCTION/etc) 10.x Date : (CCYY-MM-DDThh:mmZ) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : Port of Dover Preferred Abbreviation : Mailing Address : Harbour House : Dover : Kent CT17 9BU : UK Primary Contact Contact Name : Marine Services Manager Telephone (primary) : Telephone (secondary) : Fax : E-mail : Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : IESSG Preferred Abbreviation : IESSG Mailing Address : University of Nottingham : University Park : Nottingham NG72RD : UK Primary Contact Contact Name : Richard Bingley Telephone (primary) : +44 (0)115 9513932 Telephone (secondary) : +44 (0)115 9513880 Fax : +44 (0)115 9513881 E-mail : richard.bingley@nottingham.ac.uk Secondary Contact Contact Name : IESSG Experimental Officers Telephone (primary) : +44 (0)115 9513921 Telephone (secondary) : +44 (0)115 9513880 Fax : +44 (0)115 9513881 E-mail : iessg@nottingham.ac.uk Additional Information : DVTG is operated by the IESSG for the : Proudman Oceanographic Laboratory and : the UK Department for the Environment, Food : and Rural Affairs (DEFRA) 13. More Information Primary Data Center : Secondary Data Center : URL for More Information : http://www.bigf.ac.uk Hardcopy on File Site Map : Y Site Diagram : Y Horizon Mask : Y Monument Description : Y Site Pictures : Y Additional Information : (multiple lines) Antenna Graphics with Dimensions ASH701945C_M ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | =| | +------x------+ <-- 0.000 BPA=ARP <-- 0.381 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering