ALAC 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) : Geodesy Department - IGN (ergnss@mitma.es) Date Prepared : 2024-03-15 Report Type : UPDATE If Update: Previous Site Log : alac_20230724.log Modified/Added Sections : 3.27, 3.28 1. Site Identification of the GNSS Monument Site Name : Alicante Four Character ID : ALAC Monument Inscription : None IERS DOMES Number : 13433M001 CDP Number : 8720 Monument Description : STEEL MAST Height of the Monument : 3 m Monument Foundation : CONCRETE BLOCK Foundation Depth : 2 m Marker Description : BRASS PLATE Date Installed : 1998-03-06T10:10Z Geologic Characteristic : CONGLOMERATE Bedrock Type : SEDIMENTARY Bedrock Condition : WEATHERED Fracture Spacing : (0 cm/1-10 cm/11-50 cm/51-200 cm/over 200 cm) Fault zones nearby : NO Distance/activity : (multiple lines) Additional Information : ALAC is a reference point of the Spanish GPS : Fiducial Network raised by the Instituto : Geografico Nacional 2. Site Location Information City or Town : Alicante State or Province : Alicante Country : Spain Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 5009051.410 Y coordinate (m) : -42072.468 Z coordinate (m) : 3935057.475 Latitude (N is +) : +382020.10 Longitude (E is +) : -0002852.44 Elevation (m,ellips.) : 60.3 Additional Information : Station located in the tide gauge of Alicante 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE 4000SSI Satellite System : GPS Serial Number : 21045 Firmware Version : 7.26 / 3.07 Elevation Cutoff Setting : 0 deg Date Installed : 1998-03-06T10:10Z Date Removed : 1999-08-07T10:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.2 Receiver Type : TRIMBLE 4000SSI Satellite System : GPS Serial Number : 21045 Firmware Version : 7.19 / 3.04 Elevation Cutoff Setting : 0 deg Date Installed : 1999-08-07T10:10Z Date Removed : 1999-09-01T21:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : Firmware upgrade 3.3 Receiver Type : TRIMBLE 4000SSI Satellite System : GPS Serial Number : 22992 Firmware Version : 7.29 / 3.07 Elevation Cutoff Setting : 0 deg Date Installed : 1999-09-01T21:00Z Date Removed : 1999-12-16T00:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.4 Receiver Type : TRIMBLE 4000SSI Satellite System : GPS Serial Number : 00021045 Firmware Version : NP 7.19 / SP 3.04 Elevation Cutoff Setting : 0 deg Date Installed : 1999-12-16T00:08Z Date Removed : 2005-11-15T17:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.5 Receiver Type : TRIMBLE 4000SSE Satellite System : GPS Serial Number : 3307A02534 Firmware Version : NP 7.24 / SP 3.07 Elevation Cutoff Setting : 0 deg Date Installed : 2005-11-15T17:00Z Date Removed : 2006-05-31T10:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.6 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4549261244 Firmware Version : NP 1.15 / SP 0.00 Elevation Cutoff Setting : 0 deg Date Installed : 2006-05-31T12:00Z Date Removed : 2008-03-26T09:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.7 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4549261244 Firmware Version : NP 1.20 / SP 0.00 Elevation Cutoff Setting : 0 deg Date Installed : 2008-03-26T09:01Z Date Removed : 2009-04-24T11:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.8 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4549261244 Firmware Version : 1.2-5 Elevation Cutoff Setting : 0 deg Date Installed : 2009-04-25T00:00Z Date Removed : 2010-07-21T09:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.9 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4549261244 Firmware Version : 1.2-5 Elevation Cutoff Setting : 0 deg Date Installed : 2010-07-21T09:00Z Date Removed : 2010-09-14T07:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : Set tracking of unhealthy satellites 3.10 Receiver Type : LEICA GR10 Satellite System : GPS+GLO Serial Number : 1700065 Firmware Version : 1.00/4.005 Elevation Cutoff Setting : 0 deg Date Installed : 2010-09-15T00:00Z Date Removed : 2011-05-11T10:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.11 Receiver Type : LEICA GR10 Satellite System : GPS+GLO Serial Number : 1700065 Firmware Version : 1.00/4.007 Elevation Cutoff Setting : 0 deg Date Installed : 2011-05-11T12:00Z Date Removed : 2012-01-25T10:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.12 Receiver Type : LEICA GR10 Satellite System : GPS+GLO Serial Number : 1700065 Firmware Version : 2.00/4.007 Elevation Cutoff Setting : 0 deg Date Installed : 2012-01-25T11:59Z Date Removed : 2012-05-11T12:50Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.13 Receiver Type : LEICA GR10 Satellite System : GPS+GLO+GAL Serial Number : 1700065 Firmware Version : 2.50/6.110 Elevation Cutoff Setting : 0 deg Date Installed : 2012-05-11T12:52Z Date Removed : 2012-09-28T07:51Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.14 Receiver Type : LEICA GR10 Satellite System : GPS+GLO+GAL Serial Number : 1700065 Firmware Version : 2.62/6.112 Elevation Cutoff Setting : 0 deg Date Installed : 2012-09-28T07:52Z Date Removed : 2013-05-13T11:35Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.15 Receiver Type : LEICA GR10 Satellite System : GPS+GLO+GAL+SBAS Serial Number : 1700065 Firmware Version : 3.00/6.113 Elevation Cutoff Setting : 0 deg Date Installed : 2013-05-13T11:36Z Date Removed : 2014-01-09T11:24Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.16 Receiver Type : LEICA GR10 Satellite System : GPS+GLO+GAL Serial Number : 1700065 Firmware Version : 3.03/6.214 Elevation Cutoff Setting : 0 deg Date Installed : 2014-01-09T11:41Z Date Removed : 2016-08-26T12:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.17 Receiver Type : LEICA GR10 Satellite System : GPS+GLO+GAL Serial Number : 1700065 Firmware Version : 3.11/6.403 Elevation Cutoff Setting : 0 deg Date Installed : 2016-08-26T12:00Z Date Removed : 2017-01-31T13:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.18 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 1831552 Firmware Version : 4.00/6.522 Elevation Cutoff Setting : 0 deg Date Installed : 2017-01-31T13:00Z Date Removed : 2017-02-20T14:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.19 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 1831552 Firmware Version : 4.10/6.523 Elevation Cutoff Setting : 0 deg Date Installed : 2017-02-20T14:00Z Date Removed : 2017-02-23T12:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.20 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL Serial Number : 1831552 Firmware Version : 4.11/6.523 Elevation Cutoff Setting : 0 deg Date Installed : 2017-02-23T12:00Z Date Removed : 2020-03-25T12:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.21 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL Serial Number : 1831552 Firmware Version : 4.11/6.524 Elevation Cutoff Setting : 0 deg Date Installed : 2020-03-25T12:00Z Date Removed : 2021-04-06T23:59Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.22 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL Serial Number : 1831552 Firmware Version : 4.11/6.713 Elevation Cutoff Setting : 0 deg Date Installed : 2021-04-07T00:00Z Date Removed : 2021-08-05T00:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.23 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS Serial Number : 1871480 Firmware Version : 4.31.101/7.403 Elevation Cutoff Setting : 0 deg Date Installed : 2021-08-05T00:00Z Date Removed : 2021-08-09T00:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.24 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS Serial Number : 1871480 Firmware Version : 4.50/7.710 Elevation Cutoff Setting : 0 deg Date Installed : 2021-08-09T00:00Z Date Removed : 2022-08-02T12:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.25 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS Serial Number : 1871480 Firmware Version : 4.60/7.811 Elevation Cutoff Setting : 0 deg Date Installed : 2022-08-02T12:00Z Date Removed : 2022-11-24T08:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.26 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS Serial Number : 1871480 Firmware Version : 4.61/7.811 Elevation Cutoff Setting : 0 deg Date Installed : 2022-11-24T08:00Z Date Removed : 2023-07-24T13:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.27 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS Serial Number : 1871480 Firmware Version : 4.70/7.813 Elevation Cutoff Setting : 0 deg Date Installed : 2023-07-24T13:00Z Date Removed : 2024-03-15T13:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.28 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS Serial Number : 1871480 Firmware Version : 4.80/7.900 Elevation Cutoff Setting : 0 deg Date Installed : 2024-03-15T13:00Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 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 : TRM29659.00 NONE Serial Number : 0105209 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 3.0350 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 : (vendor & type number) Antenna Cable Length : 30 m Date Installed : 1998-03-06T10:10Z Date Removed : 2006-05-31T10:00Z Additional Information : (multiple lines) 4.2 Antenna Type : TRM29659.00 NONE Serial Number : 0220368139 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 3.0350 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 : (vendor & type number) Antenna Cable Length : 30 m Date Installed : 2006-05-31T12:00Z Date Removed : 2010-09-14T07:00Z Additional Information : (multiple lines) 4.3 Antenna Type : LEIAR25.R3 LEIT Serial Number : 10250007 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 3.0350 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : LEIT Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : 30 m Date Installed : 2010-09-15T00:00Z 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.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 : 1998-03-06/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 : TIDE GAUGE Status : PERMANENT Effective Dates : 1999-08-01/CCYY-MM-DD Notes : Sensor Model : THALES : Manufacturer : AOTT : Data Frequency : 10 min : Accuracy (mm) : 1 mm : Height Diff to GPS (m) : 8.357 from BM to ALAC 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) 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 : Instituto Geografico Nacional de Espana : Geodesy Preferred Abbreviation : IGE Mailing Address : General Ibanez de Ibero 3 : 28003 Madrid : Spain Primary Contact Contact Name : Geodesy Department - IGN Telephone (primary) : Telephone (secondary) : Fax : E-mail : ergnss@mitma.es Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : 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 : BKG Secondary Data Center : URL for More Information : 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 GRAPHICS FOR ANTENNA TYPE 4.1 Trimble: TRM29659.00 ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | =| | +=====|x|=====+ <-- 0.000 ARP | | | | | | | | Antenna Height = 3.035 m | | | | | | --------------------------x------------------------- marker <-- 0.381 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering