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 0. Form Prepared by (full name) : Yasuhiro Koyama Date prepared : 1999-Nov-01 Revised : 2005-Jan-07 Report type : revision 1. Site identification Site name : Key Stone Project Koganei 11m Antenna Station Site 8-letter code : KOGANEI Site 2-letter code(s) : Kg IERS DOMES number : 21704S004 CDP occupation code : KOGANEI CDP monument number : 7327 Surveyed into national network? : Yes IGS station code : KGNI ILRS station name : Koganei Additional information : 2. Site information 2.1 Site location information City or Town : Koganei State or Province : Tokyo Country : Japan Tectonic plate : North American Plate Approximate position X coordinate (m) : -3941937.434 Y coordinate (m) : 3368150.896 Z coordinate (m) : 3702235.288 Latitude (deg) : 35.7073 N Longitude (deg) : 139.4913 E Elevation (m) : 87.2 Source of position : ITRF Additional information : 2.2 Site local survey network information Number of reference markers : 26 Type of marker : pillars and ground markers Frequency of surveying : annual Surveying method : directions, distances, levelling, GPS Survey instruments used : Sokia Net-2B Accuracy : 10 mm Survey performed by : Kokusai Kogyo Co. Ltd. Survey documentation : report (written in Japanese) Most recent survey date : 1999-Oct-12 Results provided to IERS: no Results provided to CDDIS: no Person responsible : Yasuhiro Koyama Additional information : 2.3 Site descriptive information Electronic file available at IVSCC: (Please upload these files to ftp://ivscc.gsfc.nasa.gov/incoming and send e-mail to ivscc@ivscc.gsfc.nasa.gov telling the names.) ns is for Network Stations (don't change) Xy is station 2-letter code sm, sd, hm, md, sp indicate the type of file (don't change) NN are numbers, 01 is the first such file, 02 the second, etc. .type is the file type, .ps for PostScript, .jpg for JPEG, etc. Site map : nsKgsm01.gif Site diagram : Horizon mask diagram : Monument description : Site photographs : nsKgsp01.gif URLs for reference Site map : Site diagram : Horizon mask : Monument description : Site photographs : Additional information : 3. Antenna information Diameter (m) : 11 Axis type : AZEL Axis offset (m) : 0.0 Slew rate first axis : 180 (deg/min) Slew rate second axis : 180 (deg/min) Limit stops first axis : 540, 90 (upper, lower deg) Limit stops second axis : 90, 2 (upper, lower deg) Horizon mask data : not available Occupation dates : 1994-Aug-01 to Present Additional information : 4. Receiver information Feed location : cassegrain focus Feed type : conical feed X 1st-stage amplifier : GaAS FET (room temperature) X bandwidth (MHz) : 900 X Tsys at zenith (K) : 95 X SEFD (Jy) : 6180 X aperture efficiency : 67% X LO frequencies (MHz) : 7200MHz, 7600MHz S 1st-stage amplifier : GaAS FET (room temperature) S bandwidth (MHz) : 400 S Tsys at zenith (K) : 76 S SEFD (Jy) : 3030 S aperture efficiency : 81% S LO frequencies (MHz) : 3000 MHz Phase calibrator type : KSP type with 5 MHz input Additional information : 5. Cables between receiver and back end Length of cable run : 50 meters X band cable type : optical fiber X band freq. bandpass : 500-1000 MHz S band cable type : optical fiber S band freq. bandpass : 500-750 MHz LO ref signal cable type: 50 ohm coaxial cable LO ref signal freq. : 5 MHz Phase cal ref signal cable type: 50 ohm coaxial cable Phase cal ref signal freq. : 5 MHz Cable meas. system type : KSP type cable cal Additional information : 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 : K4-2 Number of mixers : 16 Sidebands available : USB, LSB Number of mixers with the following filters in all sideband outputs: 2 MHz : 16 4 MHz : 16 8 MHz : 16 16 MHz : 0 32 MHz : 16 Additional information : 4MHz and 8MHz low pass filters are provided by an external filter unit. 6.2 Formatter 6.2.1 Formatter type : K4-2 Serial number or rack ID: Additional information : Used with DIR1000 recorder (K4 system) 6.2.2 Formatter type : K5 Serial number or rack ID: Additional information : Function of the formatter is included in the K5 system 6.3 Decoder Decode type : K5 Additional information : Function of the decoder is included in the K5 system 6.4 IF distribution IF distributor type : K4-2 Additional information : Used with K4-2 Video Converters. Distributes 3 IF signals. 8 output signals for each IF. 6.5 Up/down converters X up/down converter freq.: S up/down converter freq.: Additional information : 6.6 Other rack equipment : K4 tape changer (DMS24) Additional information : 6.7 Recorders 6.7.1 Recorder type : K4 Number of recorders : 1 Tape type : K4 type Additional information : 6.7.2 Recorder type : K5 Number of recorders : 2 Tape type : Disk Additional information : Two sets of recorders are shared by KASHIM34, KASHIM11, and KOGANE11 stations 6.8 Data Acquisition System Configuration Types Supported (list only those that are actually usable) 6.8.1 Configuration 1 : 6.1 K4-2 Video Converters : 6.2.1 K4-2 Formatter : 6.4 K4-2 IF Distributor : 6.6 K4 Tape Changer : 6.7.1 K4 recorder 6.8.2 Configuration 2 : 6.1 K4-2 Video Converters : 6.2.2 K5 Formatter : 6.4 K4-2 IF Distributor : 6.7.2 K5 recorder 7 Meteorological instrumentation 7.1 Humidity sensor Manufacturer : Nippon Electronic Instrument, Inc. Model : N-85 (dew point thermometer) Accuracy : 2 % relative humidity Effective dates : 1994-Aug-01 to present Calibration Dates : no records available before 2000, but was done once every year. 2000-Dec-21 (no data for error) 2003-Aug-05 (error was 4.4 %) 2004-Nov-26 (error was -0.8 %) Additional information : Relative humidity is calculated from ambient temperature and dew point temperature. 7.2 Pressure sensor Manufacturer : Nippon Electronic Instrument, Inc. Model : RPT-310 Accuracy : 0.2 hPa Effective dates : 1994-Aug-01 to present Height relative to VLBI : -0.8m Horizontal distance : 23.8m Calibration Dates : no records available before 2000, but was done once every year. 2000-Dec-21 (no error data) 2003-Aug-05 (error was 0.2 hPa) 2004-Nov-26 (error was -0.2 hPa) Additional information : 7.3 Temperature sensor Manufacturer : Nippon Electronic Instrument, Inc. Model : PTY-101 Accuracy : 0.2 degree Effective dates : 1994-Aug-01 to present Calibration Dates : no records available before 2000, but was done once every year. 2000-Dec-21 (no data for error) 2003-Aug-05 (error was 0.1 degree) 2004-Nov-26 (error was 2.8 degree) Additional information : 8. Time and frequency standards 8.1 Standard type : H-maser Installed dates : 1994-Aug-01 to present Manufacturer : Anritsu Model number or ID : Additional information : 8.2 Standard type : GPS timing receiver Installed dates : 1994-Aug-01 to present Manufacturer : TRAK Systems Model number or ID : MODEL 8820 Additional information : 9. Auxilliary equipment information Type of equipment : Installed dates : Manufacturer : Model number or ID : Additional information : 10. Co-location information 10.1 Instrument type : SLR Instrument name : Status : Permanent Effective dates : 1998-Jan-01 to present Included in local survey: yes Additional information : 10.2 Instrument type : GPS Instrument name : Ashtech Z-XII3 Status : Permanent Effective dates : 1997-Jan-01 to present Included in local survey: yes Additional information : IGS network station (KGNI) 11. Field System computer information System vendor : NEC (EWS4800/330) CPU : R4000SC CPU speed : 50 MHz Memory : 32 Mbytes Disk : 300 Mbytes Linux release : UNIX System V 4.2.1 Internet connection : via firewall Antenna interface type : GPIB Spare FS computer? : no 12. Known RFI sources 12.1 Center frequency : 2140MHz Approximate bandwidth : 60MHz Approximate az/el range : all directions, extremely strong at EL < 20deg. to the North Additional informaiton : 13. On-site contact information Agency : Koganei Headquaters, National Institute of Information and Communications Technology Shipping address : 4-2-1 Nukui-kita, Koganei, Tokyo, 184-8795 Japan Postal address : 4-2-1 Nukui-kita, Koganei, Tokyo, 184-8795 Japan URL of site web page : On-site Friend of VLBI Name : Telephone (primary) : Telephone (alternate) : Fax : E-mail : On-site VLBI operations room Telephone (primary) : +81-42-3276121 Telephone (alternate) : Fax : +81-42-3276091 E-mail : Other on-site contact Name : Telephone (primary) : Telephone (alternate) : Fax : E-mail : Additional information : 14. Responsible agency (if different from on-site information) Agency : Kashima Space Research Center National Institute of Information and Communications Technology Shipping address : 893-1 Hirai, Kashima, Ibaraki, 314-8501 Japan Postal address : 893-1 Hirai, Kashima, Ibaraki, 314-8501 Japan URL of site web page : http://ksp.nict.go.jp/index.html Primary administrative agency contact Contact person : Yasuhiro Koyama Telephone (primary) : +81-299-847143 Telephone (alternate) : Fax : +81-299-847159 E-mail : koyama@nict.go.jp Alternate agency contact Contact person : Tetsuro Kondo Telephone (primary) : +81-299-847137 Telephone (alternate) : Fax : +81-299-847159 E-mail : kondo@nict.go.jp Additional information : 15. More information Additional information :