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 991203 fcs form for Yebes 1.0 0. Form Prepared by (full name) : Dr. Francisco Colomer Date prepared : 1999-nov-30 Report type : new 1. Site identification Site name :Observatorio Astronomico Nacional - Yebes Site 8-letter code :YEBES Site 2-letter code(s) :Yb There may be more than one if you have more than one recording system at this site.) IERS DOMES number : CDP occupation code : (8 digits) CDP monument number : Surveyed into national network? : yes IGS station code : YEBE ILRS station name : Additional information : GPS receiver managed by Instituto Geografico Nacional of Spain 2. Site information 2.1 Site location information City or Town : Yebes State or Province : Guadalajara Country : Spain Tectonic plate : Eurasian Approximate position X coordinate (m) : 4848780.84 Y coordinate (m) : -261702.16 Z coordinate (m) : 4123036.77 Latitude (deg) : 40.5241 N Longitude (deg) : 356.9105 E Elevation (m) : 980.946 Source of position : ITRF Additional information : 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@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 : nsYbsm01.eps Site diagram : nsXysmNN.type Horizon mask diagram : nsXysmNN.type Monument description : nsXysmNN.type Site photographs : nsYbsm01.jpg URLs for reference Site map : http://www.oan.es/cay/yebes/map.eps Site diagram : Horizon mask : Monument description : Site photographs : http://www.oan.es/cay/img/panoramica.jpg Additional information : (multiple lines allowed) 3. Antenna information Diameter (m) : 13.72 Axis type : AZEL Axis offset (m) : 0 Slew rate first axis : 60 deg/min Slew rate second axis : 60 deg/min Limit stops first axis : -358, 358 deg Limit stops second axis : 3, 89 deg Horizon mask data : 0 3/360 3 Occupation dates : 1977-nov-01 to present Additional information : (multiple lines allowed) 4. Receiver information Feed location : cassegrain focus Feed type : Coaxial (S)/Conical (X) dual band horn X 1st-stage amplifier : cooled HEMT X bandwidth (MHz) : 500 X Tsys at zenith (K) : 77 X SEFD (Jy) : 3300 X aperture efficiency : (optional) X LO frequencies (MHz) : 7650 S 1st-stage amplifier : cooled HEMT S bandwidth (MHz) : 140 S Tsys at zenith (K) : 87 S SEFD (Jy) : 3800 S aperture efficiency : (optional) S LO frequencies (MHz) : 1530 Phase calibrator type : Modified from Haystack design with 5 MHz input and temperature controlled Additional information : (multiple lines allowed) 5. Cables between receiver and back end Length of cable run : approx. 30 meters X band cable type : CO-22 (RG213/U type, lower losses, foam dielectric) X band freq. bandpass : 8130 - 8630 MHz S band cable type : CO-22 (RG213/U type, lower losses, foam dielectric) S band freq. bandpass : 2210 - 2350 MHz LO ref signal cable type: R6-58 C/U LO ref signal freq. : 5 MHz Phase cal ref signal cable type: R6-58 C/U Phase cal ref signal freq. : 5 MHz Cable meas. system type : MarkIII cable cal 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 : 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 : Additional information : (multiple lines allowed) 6.1.x (add sections for each additional video/baseband converter set) 6.2 Formatter Formatter type : MarkIV Serial number or rack ID: 110 Additional information : 6.2.1 Formatter Formatter type : VLBA Serial number or rack ID: (e.g. formatter ID) Additional information : At present VLBA formatter does not work 6.2.x (add sections for each additional formatter) 6.3 Decoder Decode type : VLBA(DQA) Additional information : MKIV decoder not available 6.3.x (add sections for each additional decoder) 6.4 IF distribution IF distributor type : VLBAG 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.: (MHz) (up/down) 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 : Additional information : (multiple lines allowed) 6.6.x (add lines or sections for other types of rack equipment) 6.7 Recorders Recorder type : VLBA4 Number of recorders : 1 Tape type : thick&thin 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 : 6.1.1 VLBA BBCs : 6.2 MKIV formatter : 6.3 VLBA DQA : 6.4 VLBAG IF distribution : 6.7 VLBA4 recorder 6.8.x (list additional configurations) 7 Meteorological instrumentation 7.1 Humidity sensor Manufacturer : Vaisala Model : 507-246 Accuracy : +-2% rel h Effective dates : 1996-jun-01 Additional information : 7.2 Pressure sensor Manufacturer : Vaisala Model : 507-266 Accuracy : +-0.5 mbar Effective dates : 1996-jun-01 Height relative to VLBI : -8 m Additional information : 7.3 Temperature sensor Manufacturer : Vaisala Model : 507-245 Accuracy : 0.2 degrees Effective dates : 1996-jun-01 Additional information : 8. Time and frequency standards 8.1 Standard type : H-maser Installed dates : 1995-dec-20 Manufacturer : Kvarz Model number or ID : CH1-75 Additional information : 8.x (add more sections for each standard) 9. Auxilliary equipment information Type of equipment : Time GPS Installed dates : 1998-sep-01 Manufacturer : TrueTime Model number or ID : XL-DC-602 Additional information : it provides time to a LAN using NTP protocol 9.1 Auxilliary equipment information Type of equipment : Time GPS Installed dates : 1993-jan-01 to 1998-sep-01 Manufacturer : Trimble Model number or ID : 4000 Additional information : 9.x (add sections for additional auxilliary equipment) 10. Co-location information 10.1 Instrument type : GPS Instrument name : TRIMBLE 40000SSI Status : Permanent Effective dates : 1999-nov-18 Included in local survey: no Additional information : IERS = YEBE-13420M001 10.x (add sections for each type) 11. Field System computer information System vendor : No company; individual parts from known companies CPU : PII CPU speed : 300 MHz Memory : 128 Mbytes Disk : 4 Gbytes Linux release : Debian 2.1r1 (kernel 2.0.34) Internet connection : direct Antenna interface type : none Spare FS computer? : no Additional information : antenna commanded by another computer syncronously with snapfile 12. Known RFI sources 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 : Centro Astronomico de Yebes Shipping address : Cerro de la Palera s/n, 19141 Yebes, Spain Postal address : Apartado 148, 19080 Guadalajara, Spain URL of site web page : http://www.oan.es/ On-site Friend of VLBI Name : Francisco Colomer Telephone (primary) : 34-949-290311 Telephone (alternate) : 34-949-290337 Fax : 34-949-290063 E-mail : colomer@oan.es On-site VLBI operations room Telephone (primary) : 34-949-290311 Telephone (alternate) : 34-949-290337 Fax : 34-949-290063 E-mail : vlbi@oan.es Other on-site contact Name : Pablo de Vicente Telephone (primary) : 34-949-290311 Telephone (alternate) : 34-949-290337 Fax : 34-949-290063 E-mail : vicente@cay.oan.es Additional information : (multiple lines allowed) 14. Responsible agency (if different from on-site information) Agency : Observatorio Astronomico Nacional Shipping address : Campus Universitario Ctra N-II, km 33.600 E-28871 Alcala de Henares, Spain Postal address : Apartado 1143, E-28800 Alcala de Henares, Spain URL of agency web page : http://www.oan.es/ Primary administrative agency contact Contact person : Francisco Colomer Telephone (primary) : 34-91-8855060 Telephone (alternate) : 34-91-8855061 Fax : 34-91-8855062 E-mail : colomer@oan.es Alternate agency contact Contact person : Jesus Gomez-Gonzalez Telephone (primary) : 34-91-8855063 Telephone (alternate) : 34-91-8855060 Fax : 34-91-8855062 E-mail : gomez@oan.es Additional information : Colomer is CAY director; Gomez is OAN director 15. More information Additional information : (multiple lines allowed)