Network Station Configuration File International VLBI Service Refer to the instructions in the file ftp://ivscc.gsfc.nasa.gov/config/instructions.txt for how to fill out and submit this form. 990624 nrv Form version 0.5 990702 nrv Form version 0.6 990713 nrv Form version 0.7 991020 nrv Form version 0.8 010406 nrv Form version 0.9, section 0 added the change list. 0. Form Prepared by (full name) : Ruediger Haas Date prepared : 2001-JUN-13 Report type : new 1. Site identification Site name : Onsala Space Observatory Site 8-letter code : ONSALA60 Site 2-letter code(s) : On IERS DOMES number : 10402S002 CDP occupation code : 72137701 CDP monument number : 7213 Surveyed into national network? : yes IGS station code : ONSA ILRS station name : Additional information : no 2. Site information 2.1 Site location information City or Town : Kungsbacka State or Province : Halland Country : Sweden Tectonic plate : Eurasia Approximate position X coordinate (m) : 3370606. Y coordinate (m) : 711917. Z coordinate (m) : 5349831. Latitude (deg) : 57.4 N Longitude (deg) : 11.9 E Elevation (m) : 25.3 Source of position : sked catalogue and and CDP catalogue (H) Additional information : no 2.2 Site local survey network information Number of reference markers : unknown but > 10 Type of marker : ground markers Frequency of surveying : irregular Surveying method : directions, distances, levelling, GPS Survey instruments used : theodolite, levelling instruments, EDM, GPS Accuracy : +/- 5 mm Survey performed by : Jan M. Johansson Survey documentation : Research Report 169, Department of Radio and Space Science with Onsala Space Observatory, Chalmers University of Technology, Sweden Most recent survey date : 1992 Results provided to IERS: yes Results provided to CDDIS: yes Person responsible : Jan M. Johansson Additional information : re-measurement of the local footprint during spring 2001 by Michael Kirchner and Ruediger Haas, measurements to be analysed during 2001 2.3 Site descriptive information Electronic file available at IVSCC: Site map : nsOnsm01.gif Site diagram : nsOnsd01.gif Horizon mask diagram : nsOnhm01.gif Monument description : nsOnmd01.gif Site photographs : nsOnsp01.gif Site photographs : nsOnsp02.gif URLs for reference Site map : ftp://ivscc.gsfc.nasa.gov/pub/config/ns/ Site diagram : ftp://ivscc.gsfc.nasa.gov/pub/config/ns/ Horizon mask : ftp://ivscc.gsfc.nasa.gov/pub/config/ns/ Monument description : ftp://ivscc.gsfc.nasa.gov/pub/config/ns/ Site photographs : ftp://ivscc.gsfc.nasa.gov/pub/config/ns/ Additional information : no 3. Antenna information Diameter (m) : 20 Axis type : AZEL Axis offset (m) : 0.000 (so far as we know) Slew rate first axis : 144 deg/min Slew rate second axis : 60 deg/min Limit stops first axis : 340, 740 Limit stops second axis : 5, 85 Horizon mask data : 0 6 / 360 6 Occupation dates : 1977-SEP-21 to today Additional information : no 4. Receiver information Feed location : Cassegrain focus Feed type : dichroic X 1st-stage amplifier : cooled HEMT X bandwidth (MHz) : 720 X Tsys at zenith (K) : 70 X SEFD (Jy) : 2450 X aperture efficiency : ca 40 % X LO frequencies (MHz) : 8080 S 1st-stage amplifier : cooled HEMT S bandwidth (MHz) : 150 S Tsys at zenith (K) : 50 S SEFD (Jy) : 3200 S aperture efficiency : ca 30 % S LO frequencies (MHz) : 2020 Phase calibrator type : NASA/CDP with 5 MHz input and temperature controller Additional information : no 5. Cables between receiver and back end Length of cable run : ca 45 m X band cable type : RG214 and 1/2" Hackethal cable X band freq. bandpass : 500 MHz S band cable type : RG214 and 7/8" Hackethal cable S band freq. bandpass : 500 MHz LO ref signal cable type: RG214 LO ref signal freq. : 5 MHz Phase cal ref signal cable type: RG213 Phase cal ref signal freq. : 1 MHz Cable meas. system type : MarkIII cable cal Additional information : no 6. Data acquisition system information 6.1 Video/baseband converter set (group each set of up to 16 mixers with similar characteristics) Type of converters : MarkIV Number of mixers : 14 Sidebands available : U&L Number of mixers with the following filters in all sideband outputs: 2 MHz : 14 4 MHz : 14 8 MHz : 14 16 MHz : 14 32 MHz : 0 Additional information : no 6.2 Formatter Formatter type : MarkIV Serial number or rack ID: terminal #02, formatter 4711 Additional information : no 6.3 Decoder Decode type : MarkIV Additional information : no 6.4 IF distribution IF distributor type : MarkIII/IV+IF3 Additional information : no 6.5 Up/down converters X up/down converter freq.: 500.1 MHz down S up/down converter freq.: no Additional information : no 6.6 Other rack equipment : no Additional information : no 6.7 Recorders Recorder type : MarkIV Number of recorders : 1 Tape type : thin only Additional information : no 6.8 Data Acquisition System Configuration Types Supported (list only those that are actually usable) 6.8.1 Configuration 1 : (list elements from section 6 that : make a usable configuration) : Example: : 6.1 MarkIV VCs : 6.2 MarkIV formatter : 6.3 MarkIV decoder : 6.4 MarkIV IF distribution : 6.5 MarkIV Up/down convertors : 6.7 MarkIV recorder 7 Meteorological instrumentation 7.1 Humidity sensor Manufacturer : Hygrodynamics Model : L15-1818Y Accuracy : +/- 5 % rel h Effective dates : 1983 to today Additional information : no 7.2 Pressure sensor Manufacturer : Setra Systems Model : Setra 361B Accuracy : +/- 0.5 mbar Effective dates : 1983 to today Height relative to VLBI : ca. 15 m Additional information : no 7.3 Temperature sensor Manufacturer : Hygrodynamics Model : L15-1818Y Accuracy : +/- 0.3 to +/- 1 degree C Effective dates : 1983 to today Additional information : no 8. Time and frequency standards 8.1 Standard type : H-maser Installed dates : 1987 to today Manufacturer : Oscilloquartz Model number or ID : Efos-7 Additional information : no 8.2 Standard type : H-maser Installed dates : 1997-MAR-15 to today Manufacturer : Kvarz Model number or ID : Ch1-75 Additional information : no 9. Auxilliary equipment information Type of equipment : WVR Installed dates : 1980-JUL-18 - today Manufacturer : Chalmers Model number or ID : Astrid 1 Additional information : no 10. Co-location information 10.1 Instrument type : GPS Instrument name : ASHTECH Z-XII3 (#834) Status : Permanent Effective dates : 1999-FEB-02 to today Included in local survey: yes Additional information : no 10.2 Instrument type : GPS/GLONASS Instrument name : JAVAD LEGACY Status : Permanent Effective dates : 1998-OCT-21 to today Included in local survey: yes Additional information : no 11. Field System computer information System vendor : TAG CPU : i486 CPU speed : 50 Memory : 64 Mbytes Disk : 4 Gbytes Linux release : 2.0.30 Internet connection : direct Antenna interface type : serial Spare FS computer? : no 12. Known RFI sources : no 13. On-site contact information Agency : Onsala Space Observatory Chalmers University of Technology Shipping address : SE-439 92 Onsala Postal address : same as shipping address URL of site web page : http://www.oso.chalmers.se On-site Friend of VLBI Name : Ruediger Haas Telephone (primary) : +46.31.772.5530 Telephone (alternate) : no Fax : +46.31.772.5590 E-mail : haas@oso.chalmers.se On-site VLBI operations room Telephone (primary) : +46.31.772.5550 Telephone (alternate) : no Fax : +46.31.772.5590 E-mail : no Other on-site contact Name : Gunnar Elgered Telephone (primary) : +46.31.772.5565 Telephone (alternate) : +46.31.772.1610 Fax : +46.31.772.5590 E-mail : kge@oso.chalmers.se Additional information : no 14. Responsible agency (if different from on-site information): same as 13 15. More information Additional information : no --------------792C2B58D25CD147945780BC--