HOBU00DEU 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)  : SAPOS Niedersachsen/Bremen (sapos-hotline@lgln.niedersachsen.de)
     Date Prepared            : 2023-02-09
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : hobu00deu_20230208.log
      Modified/Added Sections : 11


1.   Site Identification of the GNSS Monument

     Site Name                : Hohenbuenstorf
     Four Character ID        : HOBU
     Monument Inscription     : 0653
     IERS DOMES Number        : 14202M003
     CDP Number               : (A4)
     Monument Description     : CONCRETE PIER
       Height of the Monument : 2.35 m
       Monument Foundation    : CONCRETE BLOCK
       Foundation Depth       : (m)
     Marker Description       : RIVET THREAD
     Date Installed           : 1997-07-01T00:00Z
     Geologic Characteristic  : Cenozoic; Quaternary
       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   : Antenna mounted with a special
                              : tribrach on a rivet thread of
                              : a stable circular concrete pier
                              : rising 235 cm above ground,
                              : foundation of a demolished mast
                              : construction.
                              : Marked in 1991.
                              : GPS Permanentstation with RINEX
                              : data storage since 01-JUL-1997.


2.   Site Location Information

     City or Town             : Hohenbuenstorf, Eschenberg
     State or Province        : Lower Saxony (Niedersachsen)
     Country                  : Germany
     Tectonic Plate           : EURASIAN
     Approximate Position (ITRF)
       X coordinate (m)       : 3778220.099
       Y coordinate (m)       : 698635.225
       Z coordinate (m)       : 5074054.027
       Latitude (N is +)      : +530302.27
       Longitude (E is +)     : +0102834.68
       Elevation (m,ellips.)  : 152.2
     Additional Information   : Mentioned ETRF89 epoch 89.0
                              : coordinates are derived from
                              : fixed ITRF91 coordinates in the
                              : network adjustment of the
                              : national German GPS campaign DREF91.
                              : The elevation refers to the
                              : surface of the pier.


3.   GNSS Receiver Information

3.1  Receiver Type            : TRIMBLE 4000SSI
     Satellite System         : GPS
     Serial Number            : 17560
     Firmware Version         : 7.22
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 1997-07-01T00:00Z
     Date Removed             : 1999-07-15T17:00Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.2  Receiver Type            : TRIMBLE 4000SSI
     Satellite System         : GPS
     Serial Number            : 17560
     Firmware Version         : 7.19
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 1999-07-15T17:00Z
     Date Removed             : 1999-07-22T20:00Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.3  Receiver Type            : TRIMBLE 4000SSI
     Satellite System         : GPS
     Serial Number            : 17560
     Firmware Version         : 7.29
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 1999-07-22T20:00Z
     Date Removed             : 2000-03-06T15:00Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : Firmware removed because of
                              : the 12-channel TRIMBLE 4000SSI
                              : problems, announced on 2000-02-04
                              : via CANSPACE by Mike Jackson from UNAVCO.

3.4  Receiver Type            : TRIMBLE 4000SSI
     Satellite System         : GPS
     Serial Number            : 17560
     Firmware Version         : 7.19
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2000-03-06T15:00Z
     Date Removed             : 2001-05-03T09:00Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.5  Receiver Type            : TRIMBLE 4700
     Satellite System         : GPS
     Serial Number            : 0220177308
     Firmware Version         : 00113|00000|00100
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2001-05-03T09:00Z
     Date Removed             : 2002-06-07T10:00Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.6  Receiver Type            : TRIMBLE 4700
     Satellite System         : GPS
     Serial Number            : 0220144178
     Firmware Version         : 00112|00000|00100
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2002-06-07T10:00Z
     Date Removed             : 2005-02-08T05:20Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.7  Receiver Type            : TRIMBLE 4700
     Satellite System         : GPS
     Serial Number            : 0220144178
     Firmware Version         : 001.20
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2005-02-08T05:35Z
     Date Removed             : 2007-02-28T10:00Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.8  Receiver Type            : LEICA GRX1200GGPRO
     Satellite System         : GPS+GLO
     Serial Number            : 352031
     Firmware Version         : S5.00,E3.13,B1.02
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2007-02-28T10:00Z
     Date Removed             : 2007-05-10T18:59Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.9  Receiver Type            : LEICA GRX1200GGPRO
     Satellite System         : GPS+GLO
     Serial Number            : 352031
     Firmware Version         : S5.10,E3.13,B1.02
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2007-05-10T19:00Z
     Date Removed             : 2008-01-30T09:59Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.10 Receiver Type            : LEICA GRX1200GGPRO
     Satellite System         : GPS+GLO
     Serial Number            : 352031
     Firmware Version         : 5.62/3.014
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2008-01-30T10:00Z
     Date Removed             : 2009-02-26T19:49Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.11 Receiver Type            : LEICA GRX1200GGPRO
     Satellite System         : GPS+GLO
     Serial Number            : 352031
     Firmware Version         : 6.00
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2009-02-26T19:50Z
     Date Removed             : 2009-05-08T07:29Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : From 2009-02-26 until
                              : 2009-04-21 the data files
                              : content the wrong firmware
                              : version 5.62/3.014 instead
                              : of 6.00

3.12 Receiver Type            : LEICA GRX1200GGPRO
     Satellite System         : GPS+GLO
     Serial Number            : 352031
     Firmware Version         : 6.00/3.017
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2009-05-08T07:30Z
     Date Removed             : 2010-05-11T10:29Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.13 Receiver Type            : LEICA GRX1200+GNSS
     Satellite System         : GPS+GLO
     Serial Number            : 352123
     Firmware Version         : 7.80/4.004
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2010-05-11T10:30Z
     Date Removed             : 2011-08-30T09:52Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.14 Receiver Type            : LEICA GRX1200+GNSS
     Satellite System         : GPS+GLO
     Serial Number            : 352123
     Firmware Version         : 8.20/4.007
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2011-08-30T10:08Z
     Date Removed             : 2011-12-28T07:45Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.15 Receiver Type            : LEICA GRX1200+GNSS
     Satellite System         : GPS+GLO
     Serial Number            : 352123
     Firmware Version         : 8.50/6.110
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2011-12-28T08:03Z
     Date Removed             : 2014-06-13T06:35Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.16 Receiver Type            : LEICA GRX1200+GNSS
     Satellite System         : GPS+GLO
     Serial Number            : 352123
     Firmware Version         : 8.71/6.112
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2014-06-13T10:02Z
     Date Removed             : 2015-05-27T09:35Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.17 Receiver Type            : SEPT POLARX4
     Satellite System         : GPS+GLO
     Serial Number            : 3007887
     Firmware Version         : 2.9.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2015-05-27T10:00Z
     Date Removed             : 2015-07-17T11:55Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.18 Receiver Type            : SEPT POLARX4
     Satellite System         : GPS+GLO
     Serial Number            : 3007887
     Firmware Version         : 2.9.0-Patch3
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2015-07-17T12:05Z
     Date Removed             : 2016-03-14T10:29Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.19 Receiver Type            : SEPT POLARX4
     Satellite System         : GPS+GLO
     Serial Number            : 3007887
     Firmware Version         : 2.9.1-Patch1
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-03-14T10:30Z
     Date Removed             : 2016-06-13T08:56Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.20 Receiver Type            : SEPT POLARX4
     Satellite System         : GPS+GLO
     Serial Number            : 3007887
     Firmware Version         : 2.9.3
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-06-13T08:57Z
     Date Removed             : 2016-12-28T08:55Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.21 Receiver Type            : SEPT POLARX4
     Satellite System         : GPS+GLO
     Serial Number            : 3007887
     Firmware Version         : 2.9.6
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-12-28T09:05Z
     Date Removed             : 2018-10-22T07:30Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.22 Receiver Type            : SEPT POLARX4
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 3007887
     Firmware Version         : 2.9.6
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2018-10-22T07:30Z
     Date Removed             : 2019-06-18T08:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.23 Receiver Type            : SEPT POLARX4
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 3007887
     Firmware Version         : 2.9.6-patch2
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2019-06-18T09:00Z
     Date Removed             : 2020-06-22T08:55Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.24 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 3228262
     Firmware Version         : 5.3.2
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2020-06-22T09:05Z
     Date Removed             : 2021-03-23T12:15Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.25 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 3228262
     Firmware Version         : 5.4.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2021-03-23T12:20Z
     Date Removed             : 2022-10-27T08:55Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.26 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 3228262
     Firmware Version         : 5.5.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2022-10-27T08:58Z
     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             : TRM22020.00+GP  DOME
     Serial Number            : 0220077662
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0670
     Marker->ARP North Ecc(m) :   0.0000
     Marker->ARP East Ecc(m)  :   0.0000
     Alignment from True N    : 0 deg
     Antenna Radome Type      : DOME
     Radome Serial Number     : 
     Antenna Cable Type       : RG58
     Antenna Cable Length     : 10 m
     Date Installed           : 1997-07-01T00:00Z
     Date Removed             : 1999-03-08T11:00Z
     Additional Information   : Antenna calibrated, IGS conform,
                              : by the Geodetic Institute of
                              : University Dresden.
                              : PCV are available at 11.
                              : Radome type = TRIMBLE 24490-00
                              : Prod Assy Ext Dome.
                              : In the HOBU Site Information Forms
                              : prior June 2002 the
                              : Marker->ARP Up. Ecc. 0.066 m was
                              : listed.
                              : First published in the Update of
                              : the HOBU Site Information Form
                              : hobu_20020612.log and in all
                              : following Updates until
                              : hobu_20101123.log the antenna
                              : height 0.0066 in section 4.1 was
                              : wrong.
                              : Verified in all old documents the
                              : true Marker->ARP Up. Acc. from
                              : 1997-07-01 until 1999-03-08 was
                              : 0.067 m.
                              : Corrected 2011-06-09.

4.2  Antenna Type             : TRM14532.00     NONE
     Serial Number            : 3239A64261
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0640
     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       : RG58
     Antenna Cable Length     : 10 m
     Date Installed           : 1999-03-08T12:00Z
     Date Removed             : 1999-07-11T14:00Z
     Additional Information   : (multiple lines)

4.3  Antenna Type             : TRM23903.00     NONE
     Serial Number            : 78955
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0630
     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       : RG58
     Antenna Cable Length     : 10 m
     Date Installed           : 1999-07-15T17:30Z
     Date Removed             : 2000-04-18T11:30Z
     Additional Information   : (multiple lines)

4.4  Antenna Type             : TRM29659.00     SNOW
     Serial Number            : 0220180416
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0650
     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       : RG58
     Antenna Cable Length     : 10 m
     Date Installed           : 2000-04-18T11:30Z
     Date Removed             : 2000-04-25T10:00Z
     Additional Information   : Antenna calibrated, IGS conform,
                              : by LGN and the Geodetic Institute
                              : of University Dresden.
                              : Antenna calibrated absolute,
                              : field measurements, by Geo++
                              : GmbH, Garbsen.
                              : PCV are available at 11.

4.5  Antenna Type             : TRM29659.00     SNOW
     Serial Number            : 0220180416
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0510
     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       : RG58
     Antenna Cable Length     : 10 m
     Date Installed           : 2000-04-25T12:00Z
     Date Removed             : 2002-06-07T10:00Z
     Additional Information   : Antenna calibrated, IGS conform,
                              : by LGN and the Geodetic Institute
                              : of University Dresden.
                              : Antenna calibrated absolute, field
                              : measurements, by Geo++ GmbH,
                              : Garbsen.
                              : PCV are available at 11.

4.6  Antenna Type             : TRM33429.20+GP  NONE
     Serial Number            : 0220132683
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0510
     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       : RG58
     Antenna Cable Length     : 10 m
     Date Installed           : 2002-06-07T12:00Z
     Date Removed             : 2002-06-21T07:34Z
     Additional Information   : (multiple lines)

4.7  Antenna Type             : TRM29659.00     SNOW
     Serial Number            : 0220173802
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0510
     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     : NONE
     Antenna Cable Type       : RG58
     Antenna Cable Length     : 10 m
     Date Installed           : 2002-06-21T07:43Z
     Date Removed             : 2007-02-28T10:00Z
     Additional Information   : Antenna calibrated absolute, field
                              : measurements, by Geo++ GmbH,
                              : Garbsen.
                              : PCV are available at 11.

4.8  Antenna Type             : LEIAT504GG      LEIS
     Serial Number            : 200114
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0510
     Marker->ARP North Ecc(m) :   0.0000
     Marker->ARP East Ecc(m)  :   0.0000
     Alignment from True N    : 0 deg
     Antenna Radome Type      : LEIS
     Radome Serial Number     : 
     Antenna Cable Type       : RG214
     Antenna Cable Length     : 10 m
     Date Installed           : 2007-02-28T10:00Z
     Date Removed             : 2010-11-22T13:44Z
     Additional Information   : Antenna individual calibrated,
                              : field measurements with robot,
                              : by Geo++ GmbH, Garbsen.
                              : PCV are available at 11.

4.9  Antenna Type             : LEIAR25.R4      LEIT
     Serial Number            : 10271014
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0520
     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     : 
     Antenna Cable Type       : RG214
     Antenna Cable Length     : 10 m
     Date Installed           : 2010-11-22T13:45Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Additional Information   : Antenna individual calibrated,
                              : field measurements with robot,
                              : by Geo++ GmbH, Garbsen, 2010-10-29.
                              : PCV are available at 11.

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

5.1  Tied Marker Name         : VLBI Marker
     Tied Marker Usage        : VLBI/GPS
     Tied Marker CDP Number   : (A4)
     Tied Marker DOMES Number : 14202M002
     Differential Components from GNSS Marker to the tied monument (ITRS)
       dx (m)                 : -5.090 m
       dy (m)                 : 9.461 m
       dz (m)                 : -0.570 m
     Accuracy (mm)            : 1 mm
     Survey method            : TRIANGULATION
     Date Measured            : 1991
     Additional Information   : Luminous rivet in the foundation
                              : of a demolished mast construction.
                              : Marked in 1989.
                              : Observed by mobile VLBI in 1989
                              : and by GPS in EUREF89 and EUREF
                              : D/NL93.

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        : 1997-07-01/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  : PTU300
       Manufacturer           : VAISALA OYI, FINNLAND
       Serial Number          : F5010010
       Data Sampling Interval :   120 sec
       Accuracy (% rel h)     : 5 % rel h
       Aspiration             : (UNASPIRATED/NATURAL/FAN/etc)
       Height Diff to Ant     : -0.15 m
       Calibration date       : 2010-12-21
       Effective Dates        : 2011-08-11/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  : PTU300
       Manufacturer           : VAISALA OYI, FINNLAND
       Serial Number          : F5010010
       Data Sampling Interval : 120 sec
       Accuracy               : 1 hPa
       Height Diff to Ant     : -0.15 m
       Calibration date       : 2010-12-21
       Effective Dates        : 2011-08-11/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     : PTU300
       Manufacturer           : VAISALA OYI, FINNLAND
       Serial Number          : F5010010
       Data Sampling Interval : 120 sec
       Accuracy               : 1 deg C
       Aspiration             : (UNASPIRATED/NATURAL/FAN/etc)
       Height Diff to Ant     : -0.15 m
       Calibration date       : 2010-12-21
       Effective Dates        : 2011-08-11/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                   : Landesamt für Geoinformation und 
                              : Landesvermessung Niedersachsen (LGLN)
                              : SAPOS Niedersachsen/Bremen
     Preferred Abbreviation   : LGLN
     Mailing Address          : Podbielskistraße 331
                              : 30659 Hannover
                              : Germany
     Primary Contact
       Contact Name           : SAPOS Niedersachsen/Bremen
       Telephone (primary)    : +49 511 64609222
       Telephone (secondary)  : 
       Fax                    : +49 511 64609168
       E-mail                 : sapos-hotline@lgln.niedersachsen.de
     Secondary Contact
       Contact Name           : 
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : 
     Additional Information   : (multiple lines)




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      : BKG
     Secondary Data Center    : BEV
     URL for More Information : http://www.lgln.niedersachsen.de
     Hardcopy on File
       Site Map               : N
       Site Diagram           : N
       Horizon Mask           : N
       Monument Description   : Y
       Site Pictures          : Y
     Additional Information   : (multiple lines)
     Antenna Graphics with Dimensions

Pictures for most of the antennas given here are available at the NGS
on the WWW page:

http://www.grdl.noaa.gov/GPS/PROJECTS/ANTCAL/antcal.html

The L1 and L2 antenna phase center offsets given in these drawings here
are manufacturer values and should not be used anymore. The official IGS
set of mean offsets and elevation-dependent phase center variations are
given in the file IGS_01.PCV.

TRM22020.00+GP from 1997-07-01 until 1999-03-08

                       ----+----                          <-- 0.0751 L1
                    /      +                             <-- 0.0692 L2
++----------------+-----------------+-----------------++  <-- 0.0591 TGP
++---------------+-------------------+----------------++  <-- 0.0556 BGP
                 |                   |
                  |                 |
                   |               |
                    +------x------+                       <-- 0.0 ARP=BPA

 <--                     0.467                      -->           NOTCHES
<--                      0.483                       -->          EDGE



TRM14532.00 from 1999-03-08 until 1999-07-11

                       ----+----                          <-- 0.0780 L1
                    /      +                             <-- 0.0680 L2
++----------------+-----------------+-----------------++  <-- 0.0630 TGP
++---------------+-------------------+----------------++  <-- 0.0600 BGP
                 |                   |
                  |                 |
                   |               |
                    +------x------+                       <-- 0.0 ARP=BPA

                    <--  0.140  -->                               BPA
                 <--     0.155     -->                            TPA
 <--                     0.467                      -->           NOTCHES
<--                      0.483                       -->          EDGE



TRM23903.00 from 1999-07-11 until 2000-04-18

                       ----+----                          <-- 0.0770 L1
                    /      +                             <-- 0.0756 L2
++----------------+-----------------+-----------------++
++---------------+-------------------+----------------++
                 |                   |
                  |                 |
                   |               |
                    +------x------+                       <-- 0.0 ARP=BPA

 <--                     0.4668                     -->        INNER EDGE
<--                      0.4826                      -->       OUTER EDGE



TRM29659.00 from 2000-04-18 until 2002-06-07

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

<--                      0.381                       -->



TRM33429.20+GP from 2002-06-07 until 2002-06-21

                       ----+----                          <-- 0.0740 L1
                    /      +                             <-- 0.0703 L2
++----------------+-----------------+-----------------++  <-- 0.0631 TGP
++---------------+-------------------+----------------++  <-- 0.0596 BGP
                 |                   |
                 |                   |
                  |                 |
                   +-------x-------+                      <-- 0.0 ARP=BPA

 <--                     0.4668                     -->        INNER EDGE
<--                      0.4826                      -->       OUTER EDGE



TRM29659.00 from 2002-06-21 until 2007-02-28

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

<--                      0.381                       -->



LEIAT504GG from 2007-02-28 until 2010-11-22

                         +-------+                          <-- 0.1393
                       /     +
                      |      +      |
    +-----------------+-------------+------------------+    <-- 0.1012 TCR
    |                                                  |
    |                                                  |
    |                                                  |
    |                                                  |
  +-+--------------------------------------------------+-+
  +-------------------+-------------+--------------------+  <-- 0.0345 BCR
                      |             |
                      |             |
                      +------x------+                       <-- 0.0 BPA=ARP

  <--                      0.3794                      -->



LEIAR25.R4 from 2010-11-22

                       +-------+                          <--  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