IENG00ITA 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) : gnss@inrim.it
Date Prepared : 2023-07-04
Report Type : UPDATE
If Update:
Previous Site Log : ieng00ita_20230630.log
Modified/Added Sections : 3.5, 3.6, 7.10, 7.11
1. Site Identification of the GNSS Monument
Site Name : Torino
Four Character ID : IENG
Monument Inscription :
IERS DOMES Number : 12724S001
CDP Number : (A4)
Monument Description : PILLAR
Height of the Monument : (m)
Monument Foundation : CONCRETE BLOCK
Foundation Depth : (m)
Marker Description : GPS ARP
Date Installed : 2001-10-04T09:00Z
Geologic Characteristic : ALLUVIAL FAN
Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY)
Bedrock Condition : (FRESH/JOINTED/WEATHERED)
Fracture Spacing : (0 cm/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 pillar on which is mounted
: the antenna is located on a solid concrete
: building. The antenna support is fixed on an
: external wall of the highest part of the
: building, close to the top. The antenna and
: its chokering are located at about 25m from
: the ground level.
2. Site Location Information
City or Town : Torino
State or Province : Torino
Country : Italy
Tectonic Plate : EURASIAN
Approximate Position (ITRF)
X coordinate (m) : 4476537.400
Y coordinate (m) : 600431.460
Z coordinate (m) : 4488761.340
Latitude (N is +) : +450054.48
Longitude (E is +) : +0073821.86
Elevation (m,ellips.) : 316.6
Additional Information : (multiple lines)
3. GNSS Receiver Information
3.1 Receiver Type : ASHTECH Z-XII3T
Satellite System : GPS
Serial Number : RT920010203
Firmware Version : 1L01 1D04
Elevation Cutoff Setting : 5 deg
Date Installed : 2001-10-04T09:00Z
Date Removed : 2016-02-15T17:00Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : External frequency from UTC(IT).
: Elevation cutoff angle has been set
: to 5 degrees on 2001-11-04.
3.2 Receiver Type : ASHTECH Z-XII3T
Satellite System : GPS
Serial Number : RT920010203
Firmware Version : 1L01 1D04
Elevation Cutoff Setting : 0 deg
Date Installed : 2016-02-15T17:00Z
Date Removed : 2018-03-23T23:59Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : External frequency from UTC(IT).
: Elevation cutoff angle has been set
: to 0 degrees on 2016-02-15.
3.3 Receiver Type : SEPT POLARX4TR
Satellite System : GPS+GLO
Serial Number : 3102220
Firmware Version : 2.9.2
Elevation Cutoff Setting : 0 deg
Date Installed : 2018-03-28T00:00Z
Date Removed : 2019-07-17T15:00Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : External frequency from UTC(IT).
: Elevation cutoff angle has been set
: to 0 degrees on 2016-02-15.
3.4 Receiver Type : SEPT POLARX4TR
Satellite System : GPS+GLO+GAL
Serial Number : 3102220
Firmware Version : 2.9.6
Elevation Cutoff Setting : 0 deg
Date Installed : 2019-07-17T15:30Z
Date Removed : 2019-07-19T11:30Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : External frequency from UTC(IT).
: Elevation cutoff angle has been set
: to 0 degrees on 2016-02-15.
3.5 Receiver Type : SEPT POLARX4TR
Satellite System : GPS+GLO+GAL+BDS+SBAS
Serial Number : 3102220
Firmware Version : 2.9.6-patch2
Elevation Cutoff Setting : 0 deg
Date Installed : 2019-07-19T11:30Z
Date Removed : 2023-06-27T09:00Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : External frequency from UTC(IT).
: Elevation cutoff angle has been set
: to 0 degrees on 2016-02-15.
3.6 Receiver Type : SEPT POLARX5TR
Satellite System : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS
Serial Number : 3074186
Firmware Version : 5.4.0
Elevation Cutoff Setting : 0 deg
Date Installed : 2023-06-27T09:30Z
Date Removed : CCYY-MM-DDThh:mmZ
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : External frequency from UTC(IT).
: Elevation cutoff angle has been set
: to 0 degrees on 2023-06-27.
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 : ASH701945C_M NONE
Serial Number : CR5200 10512
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 deg
Antenna Radome Type : NONE
Radome Serial Number :
Antenna Cable Type : ASHTECH PN 100914 REV A 08MQO
Antenna Cable Length : 30 m
Date Installed : 2001-10-04T09:00Z
Date Removed : 2019-04-11T06:00Z
Additional Information : Dorne Margolin with chokerings
: Antenna radome (SNOW) has been removed
: on 2001-11-04.
4.2 Antenna Type : SEPCHOKE_MC NONE
Serial Number : 5261
Antenna Reference Point : BAM
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 deg
Antenna Radome Type : NONE
Radome Serial Number :
Antenna Cable Type : ASHTECH PN 100914 REV A 08MQO
Antenna Cable Length : 30 m
Date Installed : 2019-04-11T07:05Z
Date Removed : CCYY-MM-DDThh:mmZ
Additional Information : The antenna cable, is connected to a 2 ports
: passive splitter Minicircuits ZAPD-2DC-N+. The
: other port is connected to a furter Septentrio
: PolaRx4-TR receiver.
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 : EXTERNAL CESIUM
Input Frequency : 20 MHz
Effective Dates : 2001-10-04/2006-06-23
Notes : I.N.RI.M. is the Italian primary metrological
: institute for time and frequency, wihich is
: in charge of the generation of the italian
: realization of UTC.
: Since February 2006 the italian realization
: of UTC changed its name from UTC(IEN) to
: UTC(IT).
: The external frequency for the receiver was
: the Cesium-based UTC(IT) since 2001-10-04 until
: 2006-06-23.
6.2 Standard Type : EXTERNAL H-MASER
Input Frequency : 20 MHz
Effective Dates : 2006-06-23/2006-12-21
Notes : The external frequency for the receiver is
: the H-Maser based UTC(IT) since 2006-06-23
: until 2006-12-21.
6.3 Standard Type : EXTERNAL CESIUM
Input Frequency : 20 MHz
Effective Dates : 2006-12-21/2007-01-02
Notes : The external frequency for the receiver is
: the Cesium-based UTC(IT) since 2006-12-21.
: until 2007-01-02.
6.4 Standard Type : EXTERNAL H-MASER
Input Frequency : 20 MHz
Effective Dates : 2007-01-02/2007-01-04
Notes : The external frequency for the receiver is
: the H-maser based UTC(IT) since 2007-01-02
: until 2007-01-04.
6.5 Standard Type : EXTERNAL H-MASER
Input Frequency : 20 MHz
Effective Dates : 2007-01-04/2007-03-21
Notes : The external frequency for the receiver is
: the H-maser based UTC(IT) since 2007-01-04
: until 2007-03-21
6.6 Standard Type : EXTERNAL H-MASER
Input Frequency : 20 MHz
Effective Dates : 2007-03-21/2009-11-26
Notes : The external frequency for the receiver is
: the H-maser based UTC(IT) since 2007-03-21.
6.7 Standard Type : EXTERNAL H-MASER
Input Frequency : 20 MHz
Effective Dates : 2009-11-26/2010-02-26
Notes : The external frequency for the receiver is
: the KVARTZ CH1-75 H-maser based UTC(IT)
: since 2009-11-26 until 2010-02-26.
6.8 Standard Type : EXTERNAL H-MASER
Input Frequency : 20 MHz
Effective Dates : 2010-02-26/2012-05-21
Notes : The external frequency for the receiver is
: the SYMMETRICOM DATUM H-maser based UTC(IT)
: since 2010-02-26 until 2012-05-21.
6.9 Standard Type : EXTERNAL H-MASER
Input Frequency : 20 MHz
Effective Dates : 2012-05-21/2013-06-20
Notes : The external frequency for the receiver is
: the KVARTZ CH1-75 H-maser based UTC(IT)
: since 2012-05-21 until 2013-06-20.
6.10 Standard Type : EXTERNAL H-MASER
Input Frequency : 20 MHz
Effective Dates : 2013-06-20/2014-02-05
Notes : The external frequency for the receiver is
: the SYMMETRICOM DATUM H-maser based UTC(IT)
: since 2013-06-20 until 2014-02-05.
6.11 Standard Type : EXTERNAL H-MASER
Input Frequency : 20 MHz
Effective Dates : 2014-02-05/2018-04-09
Notes : The external frequency for the receiver is
: the SKVARTZ CH1-75 H-maser based UTC(IT)
: since 2014-02-05.
6.12 Standard Type : EXTERNAL H-MASER
Input Frequency : 10 MHz
Effective Dates : 2018-04-10/CCYY-MM-DD
Notes : The external frequency for the receiver is
: the MICROSEMI MHM 2010 H-maser based UTC(IT)
: since 2014-02-05.
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 : TWSTFT
Status : PERMANENT
Effective Dates : 2001-04-02/CCYY-MM-DD
Notes : Two-way satellite time and frequency
: station, IEN02, based on SATRE modem.
7.2 Instrumentation Type : GPS GEODETIC
Status : PERMANENT
Effective Dates : 2006-01-01/CCYY-MM-DD
Notes : Septentrio PolaRx2 (INR2)
7.3 Instrumentation Type : JAVAD LEGACY (INR3)
Status : PERMANENT
Effective Dates : 2006-01-01/CCYY-MM-DD
Notes : Javad Legacy (INR3)
7.4 Instrumentation Type : GPS/GLONASS GEODETIC
Status : PERMANENT
Effective Dates : 2006-01-01/CCYY-MM-DD
Notes : Septentrio PolaRx3TR (INR4)
7.5 Instrumentation Type : GPS/GLONASS/GALILEO GEODETIC
Status : PERMANENT
Effective Dates : 2006-01-01/CCYY-MM-DD
Notes : Septentrio PolaRx4TR (INR5)
7.6 Instrumentation Type : GPS/GLONASS/GALILEO/BEIDOU GEODETIC
Status : PERMANENT
Effective Dates : 2006-01-01/CCYY-MM-DD
Notes : Septentrio PolaRx4TR (INR6)
7.7 Instrumentation Type : GPS/GLONASS/GALILEO/BEIDOU GEODETIC
Status : PERMANENT
Effective Dates : 2006-01-01/CCYY-MM-DD
Notes : Septentrio PolaRx4TR (INR7)
7.8 Instrumentation Type : GPS/GLONASS TIMING
Status : PERMANENT
Effective Dates : 2006-01-01/CCYY-MM-DD
Notes : DICOM GTR50 (GTRI)
7.9 Instrumentation Type : GPS/GLONASS TIMING
Status : PERMANENT
Effective Dates : 2006-01-01/CCYY-MM-DD
Notes : DICOM GTR50 (GTRB)
7.10 Instrumentation Type : GPS/GLONASS/GALILEO TIMING
Status : PERMANENT
Effective Dates : 2006-01-01/CCYY-MM-DD
Notes : AOS TTS-3 (INRI)
7.11 Instrumentation Type : GPS
Status : PERMANENT
Effective Dates : 2006-01-01/CCYY-MM-DD
Notes : ASHTECH ZXII-3T
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 : Istituto Nazionale di Ricerca Metrologica
Preferred Abbreviation : INRIM
Mailing Address : Strada delle Cacce 91
: 10135 Torino
: Italy
Primary Contact
Contact Name : INRIM Radio Navigation Laboratory
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail : gnss@inrim.it
Secondary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Additional Information : Since 2006-01-01, the Istituto Elettrotecnico
: Nazionale 'Galileo Ferraris' (IEN) merged with
: the Istituto di Metrologia 'Gustavo Colonnetti'
: (part of Consiglio Nazionale delle Ricerche,
: CNR) becoming I.N.RI.M., the new Italian
: metrology institute.
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 : ASI
Secondary Data Center : BEV
URL for More Information : http://geodaf.mt.asi.it/html_old/gps/info.html
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 : Data are also regularly submitted to IGNI
: acting as Secondary Data Center for IGS
Antenna Graphics with Dimensions
SEPCHOKE_MC
------------- <-- 0.1060
/ \
| |
------------------------------------------------------- <-- 0.0620 TCR
| |
| |
| |
| |
+------------------------+---+------------------------+ <-- 0.0010 BCR
+---+ <-- 0.0000 BAM=ARP
<-- 0.3764 -->
ARP: Antenna Reference Point
L1 : L1 Phase Center L2 : L2 Phase Center
