ENAO00PRT Site Information Form (site log)
     International GNSS Service
     See Instructions at:
       https://files.igscb.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                   -->