ENAO00PRT Site Information Form (site log v2.0)
International GNSS Service
See Instructions at:
https://files.igs.org/pub/station/general/sitelog_instr_v2.0.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
Nine Character ID : ENAO00PRT
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 or Region : PRT
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 -->
