ALAC00ESP 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 : alac00esp_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
