OBET Site Information Form (site log) International GPS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Alexandre MOUDRAK Date Prepared : 2002-07-08 Report Type : NEW If Update: Previous Site Log : Modified/Added Sections : 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 : Monument Description : STEEL NAIL Height of the Monument : 0.005 Monument Foundation : ROOF Foundation Depth : 0.6 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 : (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 : The GPS Permanent Tracking System : OBET in Oberpfaffenhofen is operated by : Department of Navigation and Guided Systems : of Institute of Communications and : Navigation of German Aerospace Center. : ASHTECH Z-XII3T (ASHTECH Model Z-12 : Metronome) is installed on 30-APR-2002. : It is connected to external HP5071A Cs : frequency standard. : The antenna is installed on a 5.00 m : high steel mast, screw anchored to the : wall of the building #102, and precise : surveyed to the Survey Nail Marker G01 2. Site Location Information City or Town : Wessling State or Province : Bayern Country : Germany Tectonic Plate : EURASEAN Approximate Position (ITRF) X coordinate (m) : 4186738.473 Y coordinate (m) : 834887.601 Z coordinate (m) : 4723618.099 Latitude (N is +) : +480503.56 Longitude (E is +) : +0111639.21 Elevation (m,ellips.) : 00635.9 Additional Information : 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 Date Installed : 2002-04-30T15:30Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : none Additional Information : Z12T Metronome receiver (modified from : standard Z12 receiver), connected to an : external Cs clock, the source of UTC(DLR) 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS/GLONASS/GPS+GLONASS) Serial Number : (A5) Firmware Version : (A11) Elevation Cutoff Setting : (deg) Date Installed : (CCYY-MM-DDThh:mmZ) Date Removed : 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) : 003.3450 Marker->ARP North Ecc(m) : -01.7720 Marker->ARP East Ecc(m) : 009.1520 Alignment from True N : -80 Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : AirCom Plus Antenna Cable Length : 60 Date Installed : 2002-04-30T15:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : 4.x Antenna Type : (A20, from rcvr_ant.tab; see instructions) Serial Number : (A*, but note the first A5 is used in SINEX) Antenna Reference Point : (BPA/BCR/XXX from "antenna.gra"; see instr.) Marker->ARP Up Ecc. (m) : 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 Effective Dates : 2002-06-07/CCYY-MM-DD Notes : Cs clock is the source of UTC(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/BUILDLINGS/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 : German Aerospace Center / : Institute of Communications and Navigation : Department of Navigation and Guided Systems Preferred Abbreviation : DLR-KN-NL Mailing Address : Muenchenerstr. 20 : 82234 Wessling : Germany Primary Contact Contact Name : Alexandre MOUDRAK Telephone (primary) : +49-8153-28-2335 Telephone (secondary) : Fax : +49-8153-28-1135 E-mail : alexandre.moudrak@dlr.de Secondary Contact Contact Name : Johann FURTHNER Telephone (primary) : +49-8153-28-2304 Telephone (secondary) : Fax : +49-8153-28-1135 E-mail : Johann.Furthner@dlr.de Additional Information : 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 : IGN 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 ASH700936D_M with Ashtech white conical dome SNOW ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | =| | +------x------+ <-- 0.000 BPA=ARP <-- 0.381 --> 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.