POAL00BRA Site Information Form (site log)
     International GNSS Service
     See Instructions at:
       https://ftp.igs.org/pub/station/general/sitelog_instr.txt

0.   Form

     Prepared by (full name)  : Sonia Maria Alves Costa
     Date Prepared            : 2021-10-25
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : poal_20210506.log
      Modified/Added Sections : 3.15


1.   Site Identification of the GNSS Monument

     Site Name                : PORTO ALEGRE
     Four Character ID        : POAL
     Monument Inscription     : 
     IERS DOMES Number        : 41616M001
     CDP Number               : 
     Monument Description     : STEEL
       Height of the Monument : 
       Monument Foundation    : ROOF
       Foundation Depth       : 
     Marker Description       : 
     Date Installed           : 1998-10-28T00:00Z
     Geologic Characteristic  : 
       Bedrock Type           : 
       Bedrock Condition      : 
       Fracture Spacing       : 
       Fault zones nearby     : 
         Distance/activity    : 
     Additional Information   : 


2.   Site Location Information

     City or Town             : Porto Alegre
     State or Province        : Rio Grande do Sul
     Country                  : Brazil
     Tectonic Plate           : SOUTH AMERICAN
     Approximate Position (ITRF)
       X coordinate (m)       : 3467519.40
       Y coordinate (m)       : -4300378.53
       Z coordinate (m)       : -3177517.73
       Latitude (N is +)      : -300426.55
       Longitude (E is +)     : -0510711.15
       Elevation (m,ellips.)  : 76.75
     Additional Information   : 


3.   GNSS Receiver Information

3.1  Receiver Type            : TRIMBLE 4000SSI
     Satellite System         : GPS
     Serial Number            : 15062
     Firmware Version         : 7.24
     Elevation Cutoff Setting : 10 deg
     Date Installed           : 1998-10-28T00:00Z
     Date Removed             : 1999-08-20T00:00Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.2  Receiver Type            : TRIMBLE 4000SSI
     Satellite System         : GPS
     Serial Number            : 15062
     Firmware Version         : 7.29
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 1999-08-20T00:00Z
     Date Removed             : 2007-04-24T00:00Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.3  Receiver Type            : TRIMBLE NETR5
     Satellite System         : GPS+GLO
     Serial Number            : 4651K03606
     Firmware Version         : 3.25
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2007-04-25T00:00Z
     Date Removed             : 2008-03-25T00:00Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.4  Receiver Type            : TRIMBLE NETRS
     Satellite System         : GPS
     Serial Number            : 4644124542
     Firmware Version         : 1.2-0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2008-03-26T00:00Z
     Date Removed             : 2013-05-14T14:00Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.5  Receiver Type            : TRIMBLE NETR8
     Satellite System         : GPS+GLO
     Serial Number            : 4923K35528
     Firmware Version         : 4.70
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2013-05-14T15:02Z
     Date Removed             : 2014-05-05T20:30Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.6  Receiver Type            : TRIMBLE NETR8
     Satellite System         : GPS+GLO
     Serial Number            : 4923K35528
     Firmware Version         : 4.85
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2014-05-05T20:47Z
     Date Removed             : 2018-05-14T19:45Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.7  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 5750R51611
     Firmware Version         : 5.33
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2018-05-15T17:00Z
     Date Removed             : 2018-10-19T18:25Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.8  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 5750R51611
     Firmware Version         : 5.37
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2018-10-19T18:30Z
     Date Removed             : 2019-08-30T15:55Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.9  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 5750R51611
     Firmware Version         : 5.42
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2019-08-30T16:00Z
     Date Removed             : 2019-10-24T17:15Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.10 Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 5750R51611
     Firmware Version         : 5.43
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2019-10-24T17:18Z
     Date Removed             : 2020-02-11T16:50Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.11 Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 5750R51611
     Firmware Version         : 5.44
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2020-02-11T16:53Z
     Date Removed             : 2020-05-25T20:30Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.12 Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 5750R51611
     Firmware Version         : 5.45
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2020-05-25T20:33Z
     Date Removed             : 2020-10-13T18:10Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.13 Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 5750R51611
     Firmware Version         : 5.48
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2020-10-13T18:11Z
     Date Removed             : 2021-05-05T19:10Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.14 Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 5750R51611
     Firmware Version         : 5.50
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2021-05-05T19:14Z
     Date Removed             : 2021-10-20T14:35Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.15 Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 5750R51611
     Firmware Version         : 5.52
     Elevation Cutoff Setting : 
     Date Installed           : 2021-10-20T14:39Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Temperature Stabiliz.    : 
     Additional Information   : 

3.x  Receiver Type            : (A20, from rcvr_ant.tab; see instructions)
     Satellite System         : (GPS+GLO+GAL+BDS+QZSS+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            : 107992
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0075
     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       : 
     Antenna Cable Length     : 
     Date Installed           : 1998-10-28T00:00Z
     Date Removed             : 2007-04-24T00:00Z
     Additional Information   : 

4.2  Antenna Type             : TRM55971.00     NONE
     Serial Number            : 30278433
     Antenna Reference Point  : BAM
     Marker->ARP Up Ecc. (m)  : 0.0075
     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       : 
     Antenna Cable Length     : 
     Date Installed           : 2007-04-25T00:00Z
     Date Removed             : 2007-09-10T00:00Z
     Additional Information   : 

4.3  Antenna Type             : TRM29659.00     NONE
     Serial Number            : 107992
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0075
     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       : 
     Antenna Cable Length     : 
     Date Installed           : 2007-09-11T00:00Z
     Date Removed             : 2013-05-14T14:00Z
     Additional Information   : 

4.4  Antenna Type             : TRM59800.00     NONE
     Serial Number            : 4951353663
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0075
     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       : 
     Antenna Cable Length     : 
     Date Installed           : 2013-05-14T15:02Z
     Date Removed             : 2014-05-05T18:00Z
     Additional Information   : 

4.5  Antenna Type             : TRM41249.00     NONE
     Serial Number            : 60183446
     Antenna Reference Point  : BAM
     Marker->ARP Up Ecc. (m)  : 0.0075
     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       : 
     Antenna Cable Length     : 
     Date Installed           : 2014-05-05T18:56Z
     Date Removed             : 2014-10-23T11:00Z
     Additional Information   : 

4.6  Antenna Type             : TRM59800.00     NONE
     Serial Number            : 4951353663
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0075
     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       : 
     Antenna Cable Length     : 
     Date Installed           : 2014-10-23T12:07Z
     Date Removed             : 2018-05-14T19:45Z
     Additional Information   : 

4.7  Antenna Type             : TRM115000.00    NONE
     Serial Number            : 1551129639
     Antenna Reference Point  : BAM
     Marker->ARP Up Ecc. (m)  : 0.0075
     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       : 
     Antenna Cable Length     : 
     Date Installed           : 2018-05-15T17:00Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Additional Information   : 

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        : 
       Effective Dates        : 1998-10-28/CCYY-MM-DD
       Notes                  : 

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.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 Brasileiro de Geografia e Estatística
     Preferred Abbreviation   : IBGE
     Mailing Address          : Av. República do Chile, 500, Rio de Janeiro, RJ, Brazil
     Primary Contact
       Contact Name           : IBGE
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : ibge@ibge.gov.br
     Secondary Contact
       Contact Name           : 
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : 
     Additional Information   : 


12.  Responsible Agency (if different from 11.)

     Agency                   : 
     Preferred Abbreviation   : 
     Mailing Address          : 
     Primary Contact
       Contact Name           : 
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : 
     Secondary Contact
       Contact Name           : 
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : 
     Additional Information   : 

13.  More Information

     Primary Data Center      : CDDIS
     Secondary Data Center    : JPL
     URL for More Information : ftp://geoftp.ibge.gov.br/RBMC/dados
     Hardcopy on File
       Site Map               : 
       Site Diagram           : 
       Horizon Mask           : 
       Monument Description   : 
       Site Pictures          : 
     Additional Information   : 
     Antenna Graphics with Dimensions

     (insert text graphic from file antenna.gra)

TRM41249.00

    / ----------------------+--------------------- \   <--  0.0714  L1
   +                        +                       +  <--  0.0682  L2
    \ -------------------------------------------- /   
                    \               /
                     \             /
                      \-----+-----/                    <--  0.0000  ARP=BAM

   <--                   0.3396                  -->

  ARP: Antenna Reference Point
  L1 : L1 Phase Center                   L2 : L2 Phase Center
  TCR: Top of Chokering                  BCR: Bottom of Chokering

TRM29659.00
TRM59800.00
TRM59800.80
TRM59900.00

                         -----
                     /           \
                    |             |
  +-------------------------------------------------+     <--  0.1020  TCR
  |                                                 |
  |                                                 |
  |                                                 |
  |                                                 |
+-+-------------------------------------------------+-+   <--  0.0381
+-------------------+-------------+-------------------+   <--  0.0350  BCR
                    |             |
                   =|             |
                    +------x------+                       <--  0.0000  BPA=ARP

<--                      0.3810                     -->


TRM55971.00

    / ----------------------+--------------------- \   
   +                        +                       +  
    \ -------------------------------------------- /   
                    \               /
                     \             /
                      \-----+-----/                    <--  0.0000  ARP=BAM

   <--                   0.3396                  -->
  ARP: Antenna Reference Point
  L1 : L1 Phase Center                   L2 : L2 Phase Center
  TCR: Top of Chokering                  BCR: Bottom of Chokering