NSLG 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) : Peter Clarke Date Prepared : 2022-08-15 Report Type : UPDATE If Update: Previous Site Log : nslg_20141013.log Modified/Added Sections : 5,8,9,10,11,12 1. Site Identification of the GNSS Monument Site Name : North Shields Lifeboat Station Tide Gauge Four Character ID : NSLG Monument Inscription : IERS DOMES Number : 13216M002 CDP Number : (A4) Monument Description : STEEL POLE Height of the Monument : 3.00m Monument Foundation : QUAY Foundation Depth : 2.4m Marker Description : BOTTOM OF 5/8" THREAD ON 3m STEEL POLE Date Installed : 2009-11-12T10:00Z Geologic Characteristic : BOULDER CLAY Bedrock Type : SEDIMENTARY (WESTPHALIAN) 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 adjacent to the : tide gauge building, which is located : on a concrete quay, with piled : foundations. : The GPS antenna is located on the monument : which consists of a 3m galvanised steel pole, : fixed to the concrete quay, next to the tide : gauge building. : The GPS antenna is attached to the steel : pole using a 5/8" thread. : The male part of the 5/8" thread is on a plate : bolted to the top of the pole and the bottom of : the thread serves as the survey marker. 2. Site Location Information City or Town : North Shields State or Province : Northumbria Country : England Tectonic Plate : EURASIAN Approximate Position X coordinate (m) : 3664682.3 Y coordinate (m) : -91630.8 Z coordinate (m) : 5202029.7 Latitude (N is +) : +550032.07 Longitude (E is +) : -0012557.24 Elevation (m,ellips.) : 55.95 Additional Information : NSLG is collocated with PSMSL tide gauge : 170/053R. The new tide gauge and GNSS : (installed late 2009) are around 500 m ESE of : the older gauge+GPS (site NSTG) that operated : until the end of 2009. : Height corresponds to 7.16 m above MSL : (Ordnance Datum Newlyn) 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE NETR8 Satellite System : GPS+GLONASS Serial Number : 4923K35616 Firmware Version : 4.03 Elevation Cutoff Setting : 0 Date Installed : 2009-11-12T10:00Z Date Removed : 2011-01-25T16:00Z Temperature Stabiliz. : NONE Additional Information : (multiple lines) 3.2 Receiver Type : TRIMBLE NETR8 Satellite System : GPS+GLONASS Serial Number : 4923K35616 Firmware Version : 4.19 Elevation Cutoff Setting : 0 Date Installed : 2011-01-25T16:20Z Date Removed : 2011-11-08T08:00Z Temperature Stabiliz. : NONE Additional Information : Firmware only change 3.3 Receiver Type : TRIMBLE NETR8 Satellite System : GPS+GLONASS Serial Number : 4923K35616 Firmware Version : 4.19 Elevation Cutoff Setting : 0 Date Installed : 2011-11-08T08:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : NONE Additional Information : Change of GLONASS tracking from LSSA to L2HA; : no other changes. 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 : TRM59800.00 Serial Number : 5923353218 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 : 180 Antenna Radome Type : SCIS Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2009-11-12T10:00Z Date Removed : 2010-01-11T16:00Z Additional Information : For the first month of operation, the antenna : was mistakenly oriented with the RF connector : to the south. 4.2 Antenna Type : TRM59800.00 SCIS Serial Number : 5923353218 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 Antenna Radome Type : SCIS Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2010-01-11T16:00Z Date Removed : 2014-10-13T14:00Z Additional Information : Since 2014-08-08, the antenna : pre-amp L2 channel had failed, so : the receiver tracked L1 only. 4.3 Antenna Type : LEIAR25 LEIT Serial Number : 09090009 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 Antenna Radome Type : LEIT Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2014-10-13T15:00Z 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 5.1 Tied Marker Name : NSTG Tied Marker Usage : GPS Tied Marker CDP Number : (A4) Tied Marker DOMES Number : 13216M002 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : +124.668 m dy (m) : -470.231 m dz (m) : -94.288 m Accuracy (mm) : 2.5 mm plan, 7.0 mm height Survey method : GPS CAMPAIGN Date Measured : (2009-11-20Thh:mmZ) Additional Information : Overlap of GPS data from NSTG and NSLG : for DOY 321-330 of 2009 : vector is from NSLG to NSTG 6. Frequency Standard 6.1 Standard Type : INTERNAL Input Frequency : (if external) Effective Dates : 2009-11-12/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 7.1 Instrumentation Type : GPS Status : PERMANENT Effective Dates : (2009-11-12/2009-11-26) Notes : Receiver NSTG was uninstalled on 2009-11-26 : and this site has since been demolished. 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 : 2009-11-12/2012-01-06 Notes : (multiple lines) 8.1.2 Humidity Sensor Model : Met4 Manufacturer : Paroscientific Serial Number : 118600 Data Sampling Interval : 300 s Accuracy (% rel h) : 2 Aspiration : UNASPIRATED Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : 2012-01-06/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 : 2009-11-12/2012-01-06 Notes : (multiple lines) 8.2.2 Pressure Sensor Model : Met4 Manufacturer : Paroscientific Serial Number : 118600 Data Sampling Interval : 300 s Accuracy : 0.08 hPa Height Diff to Ant : -0.23 m Calibration date : (CCYY-MM-DD) Effective Dates : 2012-01-06/2020-12-17 Notes : Met4 base 0.23 m below GNSS ARP 8.2.3 Pressure Sensor Model : Met4 Manufacturer : Paroscientific Serial Number : 118600 Data Sampling Interval : 300 s Accuracy : 0.08 hPa Height Diff to Ant : -0.42 m Calibration date : (CCYY-MM-DD) Effective Dates : 2020-12-17/CCYY-MM-DD Notes : Met4 relocated, base now 0.42 m below GNSS ARP 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 : 2009-11-12/2012-01-06 Notes : (multiple lines) 8.3.2 Temp. Sensor Model : Met4 Manufacturer : Paroscientific Serial Number : 118600 Data Sampling Interval : 300 s Accuracy : 0.5 deg C Aspiration : UNASPIRATED Height Diff to Ant : -0.23 m Calibration date : (CCYY-MM-DD) Effective Dates : 2012-01-06/2020-12-17 Notes : Met4 base 0.23 m below GNSS ARP 8.3.3 Temp. Sensor Model : Met4 Manufacturer : Paroscientific Serial Number : 118600 Data Sampling Interval : 300 s Accuracy : 0.5 deg C Aspiration : UNASPIRATED Height Diff to Ant : -0.42 m Calibration date : (CCYY-MM-DD) Effective Dates : 2020-12-17/CCYY-MM-DD Notes : Met4 relocated, base now 0.42 m below GNSS ARP 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) 8.5.1 Other Instrumentation : PSMSL tide gauge 170/053R 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 : BUILDINGS Effective Dates : 2021-01-01/CCYY-MM-DD) Additional Information : During 2021 a new garage was built immediately : NE of the GNSS antenna, but below ground plane 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 10.1 Date : (2020-12-17T09:00Z) Event : CONSTRUCTION started - move of Met4 and GNSS hut 10.2 Date : (2022-01-01T00:00Z) Event : CONSTRUCTION completed - garage built NE of ARP 10.x Date : (CCYY-MM-DDThh:mmZ) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : Newcastle University Preferred Abbreviation : NCL Mailing Address : School of Civil Engineering and Geosciences : Cassie Building : Newcastle NE1 7RU : UK Primary Contact Contact Name : Peter Clarke Telephone (primary) : +44 (0)770 208 6351 Telephone (secondary) : +44 (0)191 208 6323 Fax : +44 (0)191 208 6502 E-mail : gnaac@newcastle.ac.uk Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : Newcastle University Preferred Abbreviation : NCL Mailing Address : School of Civil Engineering and Geosciences : Cassie Building : Newcastle NE1 7RU : UK Primary Contact Contact Name : Peter Clarke Telephone (primary) : +44 (0)191 208 6351 Telephone (secondary) : +44 (0)191 208 6323 Fax : +44 (0)191 208 6502 E-mail : gnaac@newcastle.ac.uk 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.bigf.ac.uk Hardcopy on File Site Map : N Site Diagram : N Horizon Mask : N Monument Description : N Site Pictures : Y Additional Information : (multiple lines) Antenna Graphics with Dimensions TRM59800.00 ----- / + \ <-- 0.1252 L2 | + | <-- 0.1042 L1 +--------------------------------------------------+ <-- 0.1020 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.0381 +-------------------+-------------+--------------------+ <-- 0.0350 BCR | | =| | +------x------+ <-- 0.000 BPA=ARP <-- 0.3810 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering