PTBB00DEU 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)  : GREF Operator DLZ ([email protected])
     Date Prepared            : 2024-08-28
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : ptbb00deu_20220905.log
      Modified/Added Sections : 3.8, 3.9, 11, 12, 13


1.   Site Identification of the GNSS Monument

     Site Name                : Braunschweig
     Nine Character ID        : PTBB00DEU
     Monument Inscription     : 
     IERS DOMES Number        : 14234M001
     CDP Number               : (A4)
     Monument Description     : STEEL MAST ON THE ROOF
       Height of the Monument : 4.5 m
       Monument Foundation    : STEEL MAST SCREW ANCHORED TO THE ROOF
       Foundation Depth       : (m)
     Marker Description       : SURVEY MARKER ON THE STEEL MAST
     Date Installed           : 2000-03-29T00:00Z
     Geologic Characteristic  : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc)
       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     : NO
         Distance/activity    : (multiple lines)
     Additional Information   : The antenna is installed on a steel mast,
                              : srew anchored on the roof of the building in
                              : the PTB Physikalisch-Technische Bundesanstalt,
                              : 11.10 m above the ground.


2.   Site Location Information

     City or Town             : Braunschweig
     State or Province        : Niedersachsen
     Country or Region        : DEU
     Tectonic Plate           : EURASIAN
     Approximate Position (ITRF)
       X coordinate (m)       : 3844060.110
       Y coordinate (m)       : 709661.200
       Z coordinate (m)       : 5023129.460
       Latitude (N is +)      : +521746.28
       Longitude (E is +)     : +0102735.08
       Elevation (m,ellips.)  : 130.2
     Additional Information   : (multiple lines)


3.   GNSS Receiver Information

3.1  Receiver Type            : ROGUE SNR-8000
     Satellite System         : GPS
     Serial Number            : T-317
     Firmware Version         : 3.2.32.9
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2000-03-29T00:00Z
     Date Removed             : 2002-03-19T00:00Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : External frequency from the H-Maser

3.2  Receiver Type            : ASHTECH Z-XII3T
     Satellite System         : GPS
     Serial Number            : RT820013901
     Firmware Version         : 1L01-1D04
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2002-03-19T00:00Z
     Date Removed             : 2003-04-29T07:45Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : ASHTECH Model Z-12
                              : Metronome WP103, P/N 800926, external
                              : frequency from the H-Maser.
                              : Smoothing option on.

3.3  Receiver Type            : ASHTECH Z-XII3T
     Satellite System         : GPS
     Serial Number            : RT820013901
     Firmware Version         : 1L01-1D04
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2003-04-29T07:45Z
     Date Removed             : 2006-07-25T08:35Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : ASHTECH Model Z-12
                              : Metronome WP103, P/N 800926, external
                              : frequency from the H-Maser prior
                              : 2003-10-01.
                              : After 2003-10-02
                              : external frequency from the Cesium Frequency
                              : Standard CS2.
                              : Since 2003-04-29 smoothing option deactivated.

3.4  Receiver Type            : SEPT POLARX2
     Satellite System         : GPS
     Serial Number            : 1219
     Firmware Version         : 2.6.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2006-07-25T08:35Z
     Date Removed             : 2006-11-13T13:15Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : External frequency from the Cesium Frequency
                              : Standard CS2.

3.5  Receiver Type            : ASHTECH Z-XII3T
     Satellite System         : GPS
     Serial Number            : RT820013901
     Firmware Version         : 1L01-1D04
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2006-11-13T13:15Z
     Date Removed             : 2019-03-26T08:00Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : ASHTECH Model Z-12
                              : Metronome WP103, P/N 800926.
                              : Prior 2010-01-28 external frequency
                              : from the Cesium Frequency Standard CS2.
                              : From 2010-01-28 external frequency
                              : from the active H-Maser and downstream
                              : phase shifter.
                              : Smoothing option deactivated.

3.6  Receiver Type            : SEPT POLARX5TR
     Satellite System         : GPS+GLO+GAL+BDS+IRNSS+SBAS
     Serial Number            : 3034575
     Firmware Version         : 5.2.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2019-03-26T14:00Z
     Date Removed             : 2020-03-05T11:10Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.7  Receiver Type            : SEPT POLARX5TR
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS
     Serial Number            : 3034575
     Firmware Version         : 5.3.2
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2020-03-05T11:30Z
     Date Removed             : 2021-02-02T08:10Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.8  Receiver Type            : SEPT POLARX5TR
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS
     Serial Number            : 3034575
     Firmware Version         : 5.4.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2021-02-02T08:15Z
     Date Removed             : 2024-08-13T07:15Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.9  Receiver Type            : SEPT POLARX5TR
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS
     Serial Number            : 3034575
     Firmware Version         : 5.5.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2024-08-13T07:15Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Temperature Stabiliz.    : none
     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             : AOAD/M_T        NONE
     Serial Number            : 393
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0580
     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       : RG 214
     Antenna Cable Length     : 30 m
     Date Installed           : 2000-03-29T00:00Z
     Date Removed             : 2002-03-19T00:00Z
     Additional Information   : (multiple lines)

4.2  Antenna Type             : ASH700936E      SNOW
     Serial Number            : CR15930
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0562
     Marker->ARP North Ecc(m) :   0.0000
     Marker->ARP East Ecc(m)  :   0.0000
     Alignment from True N    : 0 deg
     Antenna Radome Type      : SNOW
     Radome Serial Number     : 
     Antenna Cable Type       : RG 214
     Antenna Cable Length     : 30 m
     Date Installed           : 2002-03-19T00:00Z
     Date Removed             : 2019-03-26T08:00Z
     Additional Information   : (multiple lines)

4.3  Antenna Type             : LEIAR25.R4      LEIT
     Serial Number            : 726333
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0590
     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     : none
     Antenna Cable Type       : ecoflex15
     Antenna Cable Length     : 53 m
     Date Installed           : 2019-03-26T14:00Z
     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            : EXTERNAL H-MASER
       Input Frequency        : 5.0 MHz
       Effective Dates        : 2000-03-29/2003-04-29
       Notes                  : PTB Physikalisch-Technische Bundesanstalt
                              : is responsible for the realisation of the
                              : legal time in Germany.
                              : External frequency from the H-MASER H2

6.2  Standard Type            : EXTERNAL H-MASER
       Input Frequency        : 20.0 MHz
       Effective Dates        : 2003-04-29/2003-10-02
       Notes                  : PTB Physikalisch-Technische Bundesanstalt
                              : is responsible for the realisation of the
                              : legal time in Germany.
                              : External frequency from the H-MASER H2

6.3  Standard Type            : EXTERNAL CESIUM
       Input Frequency        : 20.0 MHz
       Effective Dates        : 2003-10-02/2010-01-28
       Notes                  : PTB Physikalisch-Technische Bundesanstalt
                              : is responsible for the realisation of the
                              : legal time in Germany.
                              : External frequency from UTC PTB.

6.4  Standard Type            : EXTERNAL ACTIVE H-MASER
       Input Frequency        : 20.0 MHz
       Effective Dates        : 2010-01-28/CCYY-MM-DD
       Notes                  : PTB Physikalisch-Technische Bundesanstalt
                              : is responsible for the realisation of the
                              : legal time in Germany.
                              : External frequency from the active
                              : H-Maser and downstream phase shifter.
                              : UTC PTB.

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  : MP408A-T4-W4W
       Manufacturer           : ROTRONIC
       Serial Number          : 14148 004
       Data Sampling Interval :   900 sec
       Accuracy (% rel h)     : 1.5 % rel h
       Aspiration             : CAPACITANCE PROBE
       Height Diff to Ant     : 3 m
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : 2002-07-16/2019-03-25
       Notes                  : Humidity Sensor is 3.00 m
                              : below the antenna

8.1.2  Humidity Sensor Model  : WXT520
       Manufacturer           : Vaisala
       Serial Number          : L4310380
       Data Sampling Interval :   900 sec
       Accuracy (% rel h)     : 3 % rel h
       Aspiration             : (UNASPIRATED/NATURAL/FAN/etc)
       Height Diff to Ant     : 3 m
       Calibration date       : 2015-10-23
       Effective Dates        : 2019-03-26/CCYY-MM-DD
       Notes                  : Humidity Sensor is 3.00 m below the antenna

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  : APS 9215
       Manufacturer           : L-TEC LEIBENGUTH
       Serial Number          : 0502099A
       Data Sampling Interval : 900 sec
       Accuracy               : 0.1 hPa
       Height Diff to Ant     : 12.9 m
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : 2002-07-16/2003-09-30
       Notes                  : Pressure Sensor is
                              : 12.90 m below the antenna

8.2.2  Pressure Sensor Model  : APS 9215
       Manufacturer           : L-TEC LEIBENGUTH
       Serial Number          : 0502099A
       Data Sampling Interval : 900 sec
       Accuracy               : 0.1 hPa
       Height Diff to Ant     : 9.2 m
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : 2003-10-01/2019-03-25
       Notes                  : Pressure Sensor is
                              : 9.20 m below the antenna

8.2.3  Pressure Sensor Model  : WXT520
       Manufacturer           : Vaisala
       Serial Number          : L4310380
       Data Sampling Interval : 900 sec
       Accuracy               : 0.5 hPa
       Height Diff to Ant     : 3 m
       Calibration date       : 2015-10-23
       Effective Dates        : 2019-03-26/CCYY-MM-DD
       Notes                  : Pressure Sensor is 3.00 m below the antenna

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     : MP408A-T4-W4W
       Manufacturer           : ROTRONIC
       Serial Number          : 14148 004
       Data Sampling Interval : 900 sec
       Accuracy               : 0.3 deg C
       Aspiration             : PLATINUM PROBE
       Height Diff to Ant     : 3 m
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : 2002-07-16/2019-03-25
       Notes                  : Temperature Sensor is
                              : 3.00 m below the antenna

8.3.2  Temp. Sensor Model     : WXT520
       Manufacturer           : Vaisala
       Serial Number          : L4310380
       Data Sampling Interval : 900 sec
       Accuracy               : 0.3 deg C
       Aspiration             : (UNASPIRATED/NATURAL/FAN/etc)
       Height Diff to Ant     : 3 m
       Calibration date       : 2015-10-23
       Effective Dates        : 2019-03-26/CCYY-MM-DD
       Notes                  : Temperature Sensor is 3.00 m below the antenna

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                   : Physikalisch-Technische Bundesanstalt
     Preferred Abbreviation   : PTB
     Mailing Address          : Bundesallee 100
                              : D-38116 Braunschweig
                              : Germany
     Primary Contact
       Contact Name           : PTBB Operator
       Telephone (primary)    : +49 531 5924418
       Telephone (secondary)  : +49 531 5924461
       Fax                    : +49 531 592694418
       E-mail                 : [email protected]
     Secondary Contact
       Contact Name           : 
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : 
     Additional Information   : (multiple lines)


12.  Responsible Agency (if different from 11.)

     Agency                   : Bundesamt fuer Kartographie und Geodaesie
                              : Department of Geodaesie
     Preferred Abbreviation   : BKG
     Mailing Address          : Richard-Strauss-Allee 11
                              : D-60598 Frankfurt a.M.
                              : Germany
     Primary Contact
       Contact Name           : GREF Operator
       Telephone (primary)    : +49 341 5634410
       Telephone (secondary)  : +49 341 5634432
       Fax                    : +49 341 5634415
       E-mail                 : [email protected]
     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    : BEV
     URL for More Information : https://www.bkg.bund.de
     Hardcopy on File
       Site Map               : (Y or URL)
       Site Diagram           : (Y or URL)
       Horizon Mask           : (Y or URL)
       Monument Description   : Y
       Site Pictures          : Y
     Additional Information   : www.wettzell.ifag.de
     Antenna Graphics with Dimensions

AOAD/M_T
>From 2000-03-29 until 2002-03-19
without Dome

                         -----
                     /     +     \                        <-- 0.128 L2
                    |      +      |                       <-- 0.110 L1
  +--------------------------------------------------+    <-- 0.102 TCR
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
+-+--------------------------------------------------+-+  <-- 0.038
+-------------------+-------------+--------------------+  <-- 0.035 BCR
                    |             |
                   =|             |
                    +------x------+                       <-- 0.0 BPA=ARP

<--                      0.381                       -->


ASH700936E
>From 2002-03-19
with Ashtech white conical dome SNOW


                        +---------+
                       /     +     \                        <-- 0.1280 L2
                      |      +      |                       <-- 0.1100 L1
    +-----------------+-------------+------------------+    <-- 0.1008 TCR
    |                                                  |
    |                                                  |
    |                                                  |
    |                                                  |
  +-+--------------------------------------------------+-+  <-- 0.0378
  +-------------------+-------------+--------------------+  <-- 0.0348 BCR
                      |             |
                      |             |
                      +------x------+                       <-- 0.0 BPA=ARP

  <--                      0.3794                      -->


ARP: Antenna Reference Point
L1 : L1 Phase Center                   L2 : L2 Phase Center
TCR: Top of Chokering                  BCR: Bottom of Chokering
TGP: Top of Ground Plane               BGP: Bottom of Ground Plane
TPA: Top of Preamplifier               BPA: Bottom of Preamplifier
TOP: Top of Pole


LEIAR25.R4


                       +-------+                          <--  0.1995
                      /         \
                +---+-------------+---+                   <--  0.1606  TCR
                |                     |
             |---------------------------|
          |---------------------------------|
       |---------------------------------------|
    +---------------------------------------------+
    |                                             |
    |                                             |
  +-+---------------------------------------------+-+
  +-----------------+-------------+-----------------+     <--  0.0320  BCR
                    |             |
                    |             |
                    +------x------+                       <--  0.0000  BPA=ARP

  <--                    0.3802                   -->

   ARP: Antenna Reference Point
   L1 : L1 Phase Center                   L2 : L2 Phase Center
   TCR: Top of Chokering                  BCR: Bottom of Chokering
   TGP: Top of Ground Plane               BGP: Bottom of Ground Plane
   TPA: Top of Preamplifier               BPA: Bottom of Preamplifier
   TOP: Top of Pole

All dimensions are in meters.