ENAO00PRT Site Information Form (site log) International GNSS Service See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Markus Bradke Date Prepared : 2023-02-03 Report Type : UPDATE If Update: Previous Site Log : enao00prt_20211028.log Modified/Added Sections : 3.8, 3.9 1. Site Identification of the GNSS Monument Site Name : Eastern North Atlantic Observatory Four Character ID : ENAO Monument Inscription : IERS DOMES Number : 31902M005 CDP Number : (A4) Monument Description : STEEL MAST Height of the Monument : 1.40 m Monument Foundation : CONCRETE BLOCK Foundation Depth : 1.00 m Marker Description : BRASS NAIL Date Installed : 2019-07-15T00:00Z Geologic Characteristic : CONGLOMERATE Bedrock Type : SEDIMENTARY Bedrock Condition : FRESH Fracture Spacing : (0 cm/1-10 cm/11-50 cm/51-200 cm/over 200 cm) Fault zones nearby : Terceira Rift Distance/activity : (multiple lines) Additional Information : The site is located 100 m south of the airport : runway of Graciosa Island. The ENA observatory : is founded on an earth deposit, loose rock is : predominant. 2. Site Location Information City or Town : Santa Cruz da Graciosa State or Province : Graciosa Island, Azores Country : Portugal Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 4375732.153 Y coordinate (m) : -2329166.814 Z coordinate (m) : 4000238.281 Latitude (N is +) : +390528.33 Longitude (E is +) : -0280133.64 Elevation (m,ellips.) : 91.6 Additional Information : (multiple lines) 3. GNSS Receiver Information 3.1 Receiver Type : JAVAD TRE_3 Satellite System : GPS+GLO+GAL+BDS+IRNSS+SBAS Serial Number : 4171778 Firmware Version : 3.7.6 Elevation Cutoff Setting : 0 deg Date Installed : 2019-07-23T16:30Z Date Removed : 2019-12-20T07:04Z Temperature Stabiliz. : none Additional Information : tinyPC/4 S/N 007 : tinyUPS S/N 004 : tinyView S/N 005 : Board revision TRE_3_4 3.2 Receiver Type : JAVAD TRE_3 Satellite System : GPS+GLO+GAL+BDS+IRNSS+SBAS Serial Number : 4171778 Firmware Version : 3.7.6 Elevation Cutoff Setting : 0 deg Date Installed : 2019-12-20T07:05Z Date Removed : 2020-02-27T10:45Z Temperature Stabiliz. : none Additional Information : tinyPC/4 S/N 007 : tinyUPS S/N 004 : tinyView S/N 005 : Board revision TRE_3_4 : Activation of clock steering : leads to loss of overall observations 3.3 Receiver Type : JAVAD TRE_3 Satellite System : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS Serial Number : 4171778 Firmware Version : 3.7.9 Elevation Cutoff Setting : 0 deg Date Installed : 2020-02-27T10:46Z Date Removed : 2020-05-27T23:59Z Temperature Stabiliz. : none Additional Information : tinyPC/4 S/N 007 : tinyUPS S/N 004 : tinyView S/N 005 : Board revision TRE_3_4 3.4 Receiver Type : JAVAD TRE_3 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 4171778 Firmware Version : 3.7.9 Elevation Cutoff Setting : 0 deg Date Installed : 2020-05-28T00:00Z Date Removed : 2020-08-02T23:59Z Temperature Stabiliz. : none Additional Information : tinyPC/4 S/N 007 : tinyUPS S/N 004 : tinyView S/N 005 : Board revision TRE_3_4 : removed QZSS+IRNSS from tracking 3.5 Receiver Type : JAVAD TRE_3 Satellite System : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS Serial Number : 4171778 Firmware Version : 3.7.9 Elevation Cutoff Setting : 0 deg Date Installed : 2020-08-03T00:00Z Date Removed : 2020-11-10T10:54Z Temperature Stabiliz. : none Additional Information : tinyPC/4 S/N 007 : tinyUPS S/N 004 : tinyView S/N 005 : Board revision TRE_3_4 : due to bug in receiver firmware IRNSS+QZSS : are added to tracking 3.6 Receiver Type : JAVAD TRE_3 Satellite System : GPS+GLO+GAL+BDS+IRNSS+SBAS Serial Number : 4171778 Firmware Version : 3.7.10 Elevation Cutoff Setting : 0 deg Date Installed : 2020-11-10T10:55Z Date Removed : 2021-04-19T09:36Z Temperature Stabiliz. : none Additional Information : tinyPC/4 S/N 007 : tinyUPS S/N 004 : tinyView S/N 005 : Board revision TRE_3_4 3.7 Receiver Type : JAVAD TRE_3 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 4171778 Firmware Version : 3.7.10 Elevation Cutoff Setting : 0 deg Date Installed : 2021-04-19T09:37Z Date Removed : 2021-06-14T09:29Z Temperature Stabiliz. : none Additional Information : tinyPC/4 S/N 007 : tinyUPS S/N 004 : tinyView S/N 005 : Board revision TRE_3_4 : deactivated clock steering due to bug : turned fan permanently on : sporadic switch on of fan above 65°C : board temperature had effect on oscillator 3.8 Receiver Type : JAVAD TRE_3 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 4171778 Firmware Version : 4.1.01-210527 Elevation Cutoff Setting : 0 deg Date Installed : 2021-06-14T09:30Z Date Removed : 2023-01-17T00:00Z Temperature Stabiliz. : none Additional Information : tinyPC/4 S/N 007 : tinyUPS S/N 004 : tinyView S/N 005 : Board revision TRE_3_4 3.9 Receiver Type : JAVAD TRE_3 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 4171758 Firmware Version : 4.2.01-220630 Elevation Cutoff Setting : 0 deg Date Installed : 2023-02-03T11:30Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : none Additional Information : tinyPC/4 S/N 007 : tinyUPS S/N 004 : tinyView S/N 005 : Board revision TRE_3_4 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS+GLO+GAL+BDS+QZSS+IRNSS+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 : JAVRINGANT_G5T NONE Serial Number : 3222C Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 0.1206 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 : ECOFLEX10 Antenna Cable Length : 15 m Date Installed : 2019-07-23T16:30Z 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 : 2019-07-23/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 : WXT536 Manufacturer : VAISALA Serial Number : R2310728 Data Sampling Interval : 300 sec Accuracy (% rel h) : 3 % rel h Aspiration : NATURAL Height Diff to Ant : -0.3 m Calibration date : 2019-06-04 Effective Dates : 2019-07-23/2020-09-07 Notes : (multiple lines) 8.1.2 Humidity Sensor Model : WXT536 Manufacturer : VAISALA Serial Number : R3910153 Data Sampling Interval : 300 sec Accuracy (% rel h) : 3 % rel h Aspiration : NATURAL Height Diff to Ant : -0.3 m Calibration date : 2019-10-23 Effective Dates : 2020-09-30/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 : WXT536 Manufacturer : VAISALA Serial Number : R2310728 Data Sampling Interval : 300 sec Accuracy : 0.5 hPa Height Diff to Ant : -0.3 m Calibration date : 2019-06-04 Effective Dates : 2019-07-23/2020-09-07 Notes : (multiple lines) 8.2.2 Pressure Sensor Model : WXT536 Manufacturer : VAISALA Serial Number : R3910153 Data Sampling Interval : 300 sec Accuracy : 0.5 hPa Height Diff to Ant : -0.3 m Calibration date : 2019-10-23 Effective Dates : 2020-09-30/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 : WXT536 Manufacturer : VAISALA Serial Number : R2310728 Data Sampling Interval : 300 sec Accuracy : 0.3 deg C Aspiration : NATURAL Height Diff to Ant : -0.3 m Calibration date : 2019-06-04 Effective Dates : 2019-07-23/2020-09-07 Notes : (multiple lines) 8.3.2 Temp. Sensor Model : WXT536 Manufacturer : VAISALA Serial Number : R3910153 Data Sampling Interval : 300 sec Accuracy : 0.3 deg C Aspiration : NATURAL Height Diff to Ant : -0.3 m Calibration date : 2019-10-23 Effective Dates : 2020-09-30/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) 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/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 : Atmospheric Radiation Measurement : Los Alamos National Laboratory Preferred Abbreviation : ARM/LANL Mailing Address : Estacao ENA : 9880-343 Santa Cruz da Graciosa, Azores Estrada : Nova do Aeropoerto s/n : Portugal Primary Contact Contact Name : GFZ Network Operator Telephone (primary) : Telephone (secondary) : Fax : E-mail : gnss@gfz-potsdam.de Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : Helmholtz Centre Potsdam : GFZ German Research Centre for Geosciences : Geodesy Preferred Abbreviation : GFZ Mailing Address : Telegrafenberg A17 : D-14473 Potsdam : Germany Primary Contact Contact Name : GFZ Network Operator Telephone (primary) : Telephone (secondary) : Fax : E-mail : gnss@gfz-potsdam.de Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 13. More Information Primary Data Center : CDDIS Secondary Data Center : IGN URL for More Information : https://gnss.gfz-potsdam.de 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 Additional Information : (multiple lines) Antenna Graphics with Dimensions JAVRINGANT_G5T --------- <-- 0.0614 / \ / \ +-------------------------------------------------+ <-- 0.0410 TCR | | | +-------------------+ | | | \ / | | | | \ / | | | | +--x--+ | | <-- 0.0000 BAM=ARP +--------------+-------------------+--------------+ <-- -0.0260 BCR RXC=NRP <-- 0.3260 -->