OBET00DEU 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) : GOW Operator (gnss_wtz@bkg.bund.de)
Date Prepared : 2023-06-01
Report Type : UPDATE
If Update:
Previous Site Log : obet00deu_20230511.log
Modified/Added Sections : 11
1. Site Identification of the GNSS Monument
Site Name : Oberpfaffenhofen-KN-GT
Four Character ID : OBET
Monument Inscription : G01
IERS DOMES Number : 14208M004
CDP Number : (A4)
Monument Description : STEEL NAIL
Height of the Monument : 0.005 m
Monument Foundation : ROOF
Foundation Depth : 0.6 m
Marker Description : STEEL SURVEY NAIL MARKER
Date Installed : 2002-04-30T15:00Z
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 : (YES/NO/Name of the zone)
Distance/activity : (multiple lines)
Additional Information : Site OBET in Oberpfaffenhofen is operated by
: Department of Navigation and Guided Systems
: of Institute of Communications and
: Navigation of German Aerospace Center (DLR).
: Septentrio PolaRx2 receiver is connected to
: an Agilent HP5071A Cs clock, the source of
: UTC(DLR).
: The antenna is installed on the roof
: of the Bldg #102 of DLR-KN and precisely
: surveyed to the Survey Nail Marker G01
2. Site Location Information
City or Town : Wessling
State or Province : Bayern
Country : Germany
Tectonic Plate : EURASIAN
Approximate Position (ITRF)
X coordinate (m) : 4186739.694
Y coordinate (m) : 834887.973
Z coordinate (m) : 4723619.668
Latitude (N is +) : +480503.56
Longitude (E is +) : +0111639.21
Elevation (m,ellips.) : 638.0
Additional Information : Position is given for Survey Nail Marker G01
3. GNSS Receiver Information
3.1 Receiver Type : ASHTECH Z-XII3T
Satellite System : GPS
Serial Number : LP00271
Firmware Version : 1L01-1D04
Elevation Cutoff Setting : 0 deg
Date Installed : 2002-04-30T15:30Z
Date Removed : 2002-11-10T00:00Z
Temperature Stabiliz. : none
Additional Information : Z12T Metronome receiver (modified from
: standard Z12 receiver) connected to
: external Cs clock, the source of UTC(DLR)
3.2 Receiver Type : ASHTECH Z-XII3T
Satellite System : GPS
Serial Number : LP00271
Firmware Version : 1L01-1D04
Elevation Cutoff Setting : 0 deg
Date Installed : 2003-01-27T10:30Z
Date Removed : 2004-11-15T14:00Z
Temperature Stabiliz. : none
Additional Information : receiver repaired
3.3 Receiver Type : SEPT POLARX2
Satellite System : GPS
Serial Number : 1209
Firmware Version : 2.4.0
Elevation Cutoff Setting : 0 deg
Date Installed : 2004-11-15T16:00Z
Date Removed : 2005-05-09
Temperature Stabiliz. : none
Additional Information : GPS/EGNOS time receiver (1PPS-in option)
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 : ASH700936D_M SNOW
Serial Number : CR14337
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 3.3450
Marker->ARP North Ecc(m) : -1.7720
Marker->ARP East Ecc(m) : 9.1520
Alignment from True N : -80 deg
Antenna Radome Type : SNOW
Radome Serial Number :
Antenna Cable Type : AirCom Plus
Antenna Cable Length : 60 m
Date Installed : 2002-04-30T15:00Z
Date Removed : 2002-11-10T00:00Z
Additional Information : (multiple lines)
4.2 Antenna Type : 3S-02-TSADM NONE
Serial Number : 0008
Antenna Reference Point : TOP
Marker->ARP Up Ecc. (m) : 3.2470
Marker->ARP North Ecc(m) : -5.2640
Marker->ARP East Ecc(m) : 13.7960
Alignment from True N : 0 deg
Antenna Radome Type : NONE
Radome Serial Number :
Antenna Cable Type : AirCom Plus
Antenna Cable Length : 60 m
Date Installed : 2003-01-27T10:30Z
Date Removed : 2005-05-09
Additional Information : Antenna is a 3S Navigation TSA-100
: temperature stabilized antenna.
: Cable is 10,3mm Aircom Plus low impedance
: cable (15,2 dB/100m @ 1296 MHz,
: 17,7 dB/100m @ 1500 MHz).
: OBET Z12T receiver is connected to the GPS
: antenna via an antenna splitter NHIALDCBS1x4
: (GPSNetworking).
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 CESIUM
Input Frequency : 20 MHz
Effective Dates : 2002-06-07/2004-07-23
Notes : This clock is the source of UTC(DLR).
: It is located in a temperature-controlled
: environment in the cellar of Bldg. 102 of
: Institute of Communications and Navigation
: of German Aerospace Center (DLR)
6.2 Standard Type : EXTERNAL H-MASER
Input Frequency : 20 MHz
Effective Dates : 2004-07-23/2004-09-07
Notes : (multiple lines)
6.3 Standard Type : EXTERNAL CESIUM
Input Frequency : 10 MHz
Effective Dates : 2004-09-07/CCYY-MM-DD
Notes : This clock is the source of UTC(DLR).
: It is located in a temperature-controlled
: environment in the cellar of Bldg. 102 of
: Institute of Communications and Navigation
: of German Aerospace Center (DLR)
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 : 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 : GOW Operator
Telephone (primary) : +49 9941 6030
Telephone (secondary) : +49 9941 603122
Fax : +49 9941 603222
E-mail : gnss_wtz@bkg.bund.de
Secondary Contact
Contact Name : BKG GNSS Data Center
Telephone (primary) : +49 69 6333274
Telephone (secondary) : +49 69 63331
Fax : +49 69 6333425
E-mail : bkg-gdc@bkg.bund.de
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 :
Hardcopy on File
Site Map : (Y or URL)
Site Diagram : (Y or URL)
Horizon Mask : (Y or URL)
Monument Description : (Y or URL)
Site Pictures : Y
Additional Information : (multiple lines)
Antenna Graphics with Dimensions
3S-02-TSADM
-----
/ + \ <-- 0.2916 L2
| + | <-- 0.2725 L1
+--------------------------------------------------+
| |
| |
| |
| |
+-+--------------------------------------------------+-+ <-- 0.208 TGP
+-------------------+-------------+--------------------+
+----------------------| |------------------------------
| =| | ------
| +------x------+ ------
| ------
| <-- 0.381 --> ------
| ------
| ------
| ------
| ------
| ------
| ------
| ------
| ------
| ------
| ------
| ------
+-------------------------------------------------------------------
| |
--------------x-------------- <-- ARP=TOP
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
