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) : Date prepared : yyyy-mmm-dd Report type : new/update 1. Site identification Site name : Seshan VLBI station Site 8-letter code : Shanghai Site 2-letter code(s) : Sh IERS DOMES number : CDP occupation code : 21605 CDP monument number : 7227 Surveyed into national network? : (yes/no) IGS station code : (4 letters, all upper case, blank if not an IGS station) ILRS station name : (blank if not an ILRS station) Additional information : (multiple lines allowed) 2. Site information 2.1 Site location information City or Town : Seshan State or Province : Shanghai Country : China Tectonic plate : Eurasia Approximate position X coordinate (m) : -2831684.706 Y coordinate (m) : 4675732.890 Z coordinate (m) : 3275328.254 Latitude (deg) : 31.0992N Longitude (deg) : +121.1996E Elevation (m) : 5 Source of position : GPS Additional information : (multiple lines allowed) 2.2 Site local survey network information Number of reference markers : Type of marker : (pillar, ground marker, etc.) Frequency of surveying : (annual, biannual, etc.) Surveying method : (directions, distances, levelling, GPS, etc.) Survey instruments used : (theodolite, etc.) Accuracy : ( xx mm) Survey performed by : Survey documentation : (URL, publication, report, etc.) Most recent survey date : (yyyy-mmm-dd) Results provided to IERS: (yes/no) Results provided to CDDIS: (yes/no) Person responsible : (name and contact information) Additional information : (multiple lines allowed) 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+AEA-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 : nsXysmNN.type Site diagram : nsXysmNN.type Horizon mask diagram : nsXysmNN.type Monument description : nsXysmNN.type Site photographs : nsXysmNN.type URLs for reference Site map : Site diagram : Horizon mask : Monument description : Site photographs : Additional information : (multiple lines allowed) 3. Antenna information Diameter (m) : 25 Axis type : AZEL Axis offset (m) : Slew rate first axis : 30/min Slew rate second axis : 20/min Limit stops first axis : 438, -81 Limit stops second axis : 87.6, 5 Horizon mask data : (Pairs of values separated with /. Either line segment end points: Az1 El1/Az2 El2/..../Azlast Ellast or step function: Az1 El1/Az2 El2/..../Azlast ) Occupation dates : (yyyy-mmm-dd to yyyy-mmm-dd) Additional information : (multiple lines allowed) 4. Receiver information Feed location : cassegrain focus Feed type : (NASA/CDP prime-focus, dichroic, etc.) X 1st-stage amplifier : cooled HEMT X bandwidth (MHz) : 800 X Tsys at zenith (K) : 45 X SEFD (Jy) : 700 X aperture efficiency : (optional) X LO frequencies (MHz) : 7600, 8000 S 1st-stage amplifier : cooled HEMT S bandwidth (MHz) : 300 S Tsys at zenith (K) : 100 S SEFD (Jy) : 1700 S aperture efficiency : (optional) S LO frequencies (MHz) : 1600 Phase calibrator type : NASA/CDP with 5 MHz Additional information : (multiple lines allowed) 5. Cables between receiver and back end Length of cable run : (between front end and back end, meters) X band cable type : flexible cable X band freq. bandpass : 8200 - 9000 (MHz) S band cable type : flexible cable S band freq. bandpass : 2150 - 2450 (MHz) LO ref signal cable type: flexible cable LO ref signal freq. : 100 (MHz) Phase cal ref signal cable type: flexible cable Phase cal ref signal freq. : 5 (MHz) Cable meas. system type : MarkIII cable Additional information : (multiple lines allowed, e.g. multiple signals multiplexed on a single cable) 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 : VLBA Number of mixers : VLBA type has 1 mixer per converter, Sidebands available : U, L Number of mixers with the following filters in all sideband outputs: 2 MHz : yes 4 MHz : yes 8 MHz : yes 16 MHz : yes 32 MHz : yes Additional information : (multiple lines allowed) 6.1.x (add sections for each additional video/baseband converter set) 6.2 Formatter Formatter type : MarkIV, VLBA S2 Serial number or rack ID: (e.g. formatter ID) Additional information : (multiple lines allowed) 6.2.x (add sections for each additional formatter) 6.3 Decoder Decode type : VLBA(DQA), S2 Additional information : (multiple lines allowed) 6.3.x (add sections for each additional decoder) 6.4 IF distribution IF distributor type : VLBA Additional information : (multiple lines allowed) 6.4.x (add sections for each additional IF distribution) 6.5 Up/down converters X up/down converter freq.: 479.9 (MHz) S up/down converter freq.: (MHz) (up/down) Additional information : (multiple lines allowed) 6.5.x (add sections for each additional converter) 6.6 Other rack equipment : (e.g. CresTech VIA interface box, K4 DMS tape changer, etc.) Additional information : (multiple lines allowed) 6.6.x (add lines or sections for other types of rack equipment) 6.7 Recorders Recorder type : VLBA4, S2 Number of recorders : Tape type : thick, thin, S2 type Additional information : (multiple lines allowed) 6.7.x (add sections for each recorder type) 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: : 6.1.1 VLBA BBCs : 6.2 VLBA, MK4, S2 formatter : 6.3 VLBA DQA : 6.4 VLBA IF distribution : 6.5 UP converter : 6.7 VLBA recorder S2 recorder 6.8.x (list additional configurations) 7 Meteorological instrumentation 7.1 Humidity sensor Manufacturer : China Model : HC Accuracy : 3% RH Effective dates : (yyyy-mmm-dd to yyyy-mmm-dd) Additional information : (multiple lines allowed) 7.2 Pressure sensor Manufacturer : China Model : GDJ-5 Accuracy : 0.3 mbar Effective dates : (yyyy-mmm-dd to yyyy-mmm-dd) Height relative to VLBI : (m) Additional information : (multiple lines allowed) 7.3 Temperature sensor Manufacturer : USA Model : AD590 Accuracy : 0.2 degree Effective dates : (yyyy-mmm-dd to yyyy-mmm-dd) Additional information : (multiple lines allowed) 8. Time and frequency standards 8.1 Standard type : H-maser/GPS Installed dates : (yyyy-mmm-dd to yyyy-mmm-dd) Manufacturer : H-maser Shanghai, GPS USA Model number or ID : TAC Additional information : (multiple lines allowed) 8.x (add more sections for each standard) 9. Auxilliary equipment information Type of equipment : (WVR, etc.) Installed dates : (yyyy-mmm-dd to yyyy-mmm-dd) Manufacturer : Model number or ID : Additional information : (multiple lines allowed) 9.x (add sections for additional auxilliary equipment) 10. Co-location information 10.1 Instrument type : (Doris/Glonass/Prare/SLR/GPS) Instrument name : Status : (Permanent/Mobile) Effective dates : (yyyy-mmm-dd to yyyy-mmm-dd) Included in local survey: (yes/no) Additional information : (multiple lines allowed) 10.x (add sections for each type) 11. Field System computer information System vendor : SWT CPU : PII CPU speed : 333 (MHz) Memory : 64 (Mbytes) Disk : 4.3 (Gbytes) Linux release : Debian GNU/Linux 2.0 Internet connection : none Antenna interface type : serial Spare FS computer? : yes 12. Known RFI sources none 12.1 Center frequency : (MHz) Approximate bandwidth : Approximate az/el range : (give range affected by RFI) Additional informaiton : (multiple lines allowed, give estimate of strength of interference) 12.x (add sections for multiple RFI sources and frequencies) 13. On-site contact information Agency : Shanghai Astronomical Observatory Chinese Academy of sciences Shipping address : Shanghai Observatory 80 Nandan Road Shanghai 200030 China Postal address : Shanghai Observatory 80 Nandan Road Shanghai 200030 China URL of site web page : On-site Friend of VLBI Name : Huang Xinyong Telephone (primary) : 86 21 34250656 Telephone (alternate) : 86 21 64386191-505 Fax : 86 21 64384618 E-mail : xhuang@center.shao.ac.cn On-site VLBI operations room Telephone (primary) : 86 21 57651763 Telephone (alternate) : Fax : E-mail : Other on-site contact Name : Telephone (primary) : Telephone (alternate) : Fax : E-mail : Additional information : (multiple lines allowed) 14. Responsible agency (if different from on-site information) Agency : (multiple lines) Shipping address : (multiple lines) Postal address : (if different, multiple lines) URL of agency web page : Primary administrative agency contact Contact person : Telephone (primary) : Telephone (alternate) : Fax : E-mail : Alternate agency contact Contact person : Telephone (primary) : Telephone (alternate) : Fax : E-mail : Additional information : (multiple lines allowed) 15. More information Additional information : (multiple lines allowed)