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 : Kashima 34m antenna station Site 8-letter code : KASHIM34 Site 2-letter code(s) : Kb IERS DOMES number : 21701S004 CDP occupation code : KASHIM34 CDP monument number : 1857 Surveyed into national network? : Yes IGS station code : KSMV ILRS station name : Kashima Additional information : 2. Site information 2.1 Site location information City or Town : Kashima State or Province : Ibaraki Country : Japan Tectonic plate : North American Plate Approximate position X coordinate (m) : -3997649.226 Y coordinate (m) : 3276690.758 Z coordinate (m) : 3724278.813 Latitude (deg) : 35.9533 N Longitude (deg) : 140.6633 E Elevation (m) : 43.1 Source of position : ITRF Additional information : 2.2 Site local survey network information Number of reference markers : 34 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-18 Results provided to IERS: planned Results provided to CDDIS: planned 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 : nsKbsm01.gif Site diagram : Horizon mask diagram : Monument description : Site photographs : nsKbsp01.gif URLs for reference Site map : Site diagram : Horizon mask : Monument description : Site photographs : Additional information : 3. Antenna information Diameter (m) : 34 Axis type : AZEL Axis offset (m) : 0.0 Slew rate first axis : 48 (deg/min) Slew rate second axis : 38.4 (deg/min) Limit stops first axis : 540, 90 (upper, lower deg) Limit stops second axis : 90.5, 6.5 (upper, lower deg) Horizon mask data : not available Occupation dates : 1989-Apr-01 to Present Additional information : 4. Receiver information Feed location : cassegrain focus Feed type : conical feed X 1st-stage amplifier : cooled FET (20K) X bandwidth (MHz) : 820 X Tsys at zenith (K) : 52 X SEFD (Jy) : 240 X aperture efficiency : 68% X LO frequencies (MHz) : 7760MHz, 8080MHz S 1st-stage amplifier : cooled FET (20K) S bandwidth (MHz) : 200 S Tsys at zenith (K) : 71 S SEFD (Jy) : 300 S aperture efficiency : 65% S LO frequencies (MHz) : 2020 MHz Phase calibrator type : K-3 type with 5 MHz input Additional information : 5. Cables between receiver and back end Length of cable run : 200 meters X band cable type : optical fiber X band freq. bandpass : 100-600 MHz S band cable type : optical fiber S band freq. bandpass : 173-330 MHz LO ref signal cable type: RG214/U LO ref signal freq. : 10 MHz Phase cal ref signal cable type: RG214/U Phase cal ref signal freq. : 5 MHz Cable meas. system type : not operational Additional information : 6. Data acquisition system information 6.1 Video/baseband converter set (group each set of up to 16 mixers with similar characteristics) 6.1.1 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 : Mainly used at present. IF signals are up-converted to 500-1000MHz frequency range. 4MHz and 8MHz low pass filters are provided by an external filter unit. 6.1.2 Type of converters : K4-1 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 : 0 16 MHz : 0 32 MHz : 0 Additional information : 6.1.3 Type of converters : K-3 Number of mixers : 14 Sidebands available : USB, LSB Number of mixers with the following filters in all sideband outputs: 2 MHz : 14 4 MHz : 14 8 MHz : 0 16 MHz : 0 32 MHz : 0 Additional information : partially not operational 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 : K4-1 Serial number or rack ID: Additional information : Used with DIR1000 recorder (K4 system) 6.2.3 Formatter type : K5 Serial number or rack ID: Additional information : Function of the formatter is included in the K5 system 6.2.4 Formatter type : S2 Serial number or rack ID: Additional information : Used with S2 recorder VSOP terminal is used and the signal interface converts VSOP signal into S2 format 6.3 Decoder 6.3.1 Decode type : K4-1, K4-2 Additional information : Used with DIR1000 recorder (K4 system) 6.3.2 Decode type : K5 Additional information : Function of the decoder is included in the K5 system 6.4 IF distribution 6.4.1 IF distributor type : K4-2 Additional information : Used with K4-2 Video Converters. Distributes 3 IF signals. 8 output signals for each IF. 6.4.2 IF distributor type : K4-1 Additional information : The function is included in the K4-1 Video Converter Unit. 6.5 Up/down converters X up/down converter freq.: 500 MHz (up) S up/down converter freq.: 500 MHz (up) Additional information : Used with the K4-2 Video Converter Units. 2 units are available. Each unit converts 2 IF signals. 6.6 Other rack equipment : K4 tape changer (DMS24) Additional information : 6.7 Recorders 6.7.1 Recorder type : K4 Number of recorders : 2 Tape type : K4 type Additional information : Can be used with K4-1 and K4-2 formatters. 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 6.7.3 Recorder type : S2 Number of recorders : 1 Tape type : S2 type Additional information : 6.8 Data Acquisition System Configuration Types Supported (list only those that are actually usable) 6.8.1 Configuration 1 : 6.1.1 K4-2 Video Converters : 6.2.3 K5 Formatter : 6.4.1 K4-2 IF Distributor : 6.5 UP converter : 6.7.2 K5 recorder 6.8.2 Configuration 2 : 6.1.1 K4-2 Video Converters : 6.2.1 K4-2 Formatter : 6.4.1 K4-2 IF Distributor : 6.5 UP converter : 6.6 K4 Tape Changer : 6.7.1 K4 recorder 6.8.3 Configuration 3 : 6.1.2 K4-1 Video Converters : 6.2.2 K4-1 Formatter : 6.3.1 K4-1 Decoder : 6.4.2 K4-2 IF Distributor : 6.6 K4 Tape Changer : 6.7.1 K4 recorder 6.8.4 Configuration 4 : 6.1.1 K4-2 Video Converters : 6.2.4 S2 Formatter : 6.4.1 K4-2 IF Distributor : 6.5 UP converter : 6.7.3 S2 recorder 7 Meteorological instrumentation 7.1 Humidity sensor 7.1.1 Manufacturer : Qualimetrics, Inc. Weather Measure and Weathertronics Model : Model 5120-D Accuracy : +/- 2 % (0-80% relative humidity) (Spec) +/- 3 % (80-100% relative humidity) (Spec) Effective dates : 1988-Jan-01 to 1994-Apr-19 Calibration Dates : no record is available but was done sporadically Additional information : 7.1.2 Manufacturer : Meisei Model : 511376-001 (dew point thermometer) Accuracy : 2 % relative humidity Effective dates : 1994-Apr-20 to 2004-Dec-03 Calibration Dates : 1995-Sep-14 (error was 0.03 %) 1998-Jun-02 1999-Apr-09 (error was 0.0 %) 2002-Apr-19 (error was 0.9 %) 2003-Jun-11 (error was -0.6 %) Additional information : Relative humidity is calculated from ambient temperature and dew point temperature. 7.1.3 Manufacturer : Meisei Model : MES-39219 Accuracy : 5 % relative humidity Effective dates : 2003-Dec-04 to present Calibration Dates : 2004-Dec-10 (error was 3.0 %) Additional information : 7.2 Pressure sensor 7.2.1 Manufacturer : Qualimetrics, Inc. Weather Measure and Weathertronics Model : Model 7100 Height relative to VLBI : -16.0m Horizontal distance : 22.6m Accuracy : +/- 0.3 hPa (Spec) Effective dates : 1988-Jan-01 to 1994-Apr-19 Calibration Dates : no record is available but was done sporadically Additional information : 7.2.2 Manufacturer : Meisei Model : Accuracy : +/- 0.5 hPa (Spec) Effective dates : 1994-Apr-20 to 2004-Dec-03 Height relative to VLBI : -16.1m Horizontal distance : 74.6m Calibration Dates : 1995-Sep-14 (error was 0.1 hPa) 1998-Jun-02 1999-Apr-09 2002-Apr-19 (error was 0.0 hPa) 2003-Jun-11 (error was 0.2 hPa) Additional information : 7.2.3 Manufacturer : Meisei Model : MES-39228 Height relative to VLBI : -16.3m Horizontal distance : 74.6m Accuracy : +/- 0.7 hPa (Spec) Effective dates : 2003-Dec-04 to present Calibration Dates : 2004-Dec-10 (error was 0.1 hPa) Additional information : 7.3 Temperature sensor 7.3.1 Manufacturer : Qualimetrics, Inc. Weather Measure and Weathertronics Model : Model 4480-A Accuracy : +/- 0.1 degree (Spec) Effective dates : 1988-Jan-01 to 1994-Apr-19 Calibration Dates : no record is available but was done sporadically Additional information : 7.3.2 Manufacturer : Meisei Model : 110585-012 Accuracy : +/- 0.5 degree (Spec) Effective dates : 1994-Apr-20 to 2004-Dec-03 Calibration Dates : 1995-Sep-14 (error was 0.0 degree) 1998-Jun-02 1999-Apr-09 (error was -0.2 degree) 2002-Apr-19 (error was 0.2 degree) 2003-Jun-11 (error was -0.5 degree) Additional information : 7.3.3 Manufacturer : Meisei Model : TS-801 Accuracy : +/- 0.5 degree (Spec) Effective dates : 2003-Dec-04 to present Calibration Dates : 2004-Dec-10 (error was 0.0 degree) Additional information : 8. Time and frequency standards 8.1 Standard type : H-maser Installed dates : 1995-Jan-01 to present Manufacturer : Anritsu (2 sets), Russian (1 set) Model number or ID : Additional information : 8.2 Standard type : GPS timing receiver Installed dates : 1998-Jan-01 to present Manufacturer : TAC-2 Model number or ID : Additional information : 9. Auxilliary equipment information Type of equipment : WVR Installed dates : 1998-Jan-01 to present Manufacturer : RadioMatrix Model number or ID : WVR1100 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 (KSMV) 11. Field System computer information System vendor : None CPU : Pentium III CPU speed : 1 GHz Memory : 256 Mbytes Disk : 4.2 Gbytes Linux release : 2.0.34 Internet connection : via firewall Antenna interface type : GPIB Spare FS computer? : yes 12. Known RFI sources 12.1 Center frequency : 2140MHz Approximate bandwidth : 60MHz Approximate az/el range : all directions, extremely strong at EL < 20deg. and 180deg. < AZ < 240deg. Additional informaiton : 13. On-site contact 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://www.nict.go.jp/ka/radioastro/index.html On-site Friend of VLBI Name : Yasuhiro Koyama Telephone (primary) : +81-299-847143 Telephone (alternate) : Fax : +81-299-847159 E-mail : koyama@nict.go.jp On-site VLBI operations room Telephone (primary) : Telephone (alternate) : Fax : E-mail : Other on-site contact Name : Tetsuro Kondo Telephone (primary) : +81-299-847137 Telephone (alternate) : Fax : +81-299-847159 E-mail : kondo@nict.go.jp Additional information : 14. Responsible agency Same with information in 13. 15. More information Additional information :