HOBU00DEU Site Information Form (site log) International GNSS Service See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : SAPOS Hotline : (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 : 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