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) : Ludwig Combrinck Date prepared : 2000-MAY-15 Report type : new 1. Site identification Site name : Hartebeesthoek Radio Astronomy Observatory Site 8-letter code : HARTRAO Site 2-letter code(s) : Hh IERS DOMES number : 30302S001 CDP occupation code : CDP monument number : 7232 Surveyed into national network? : yes IGS station code : HRAO ILRS station name : Additional information : MOBLAS6 will be collocated during 2000 2. Site information 2.1 Site location information City or Town : Krugersdorp State or Province : Gauteng Country : South Africa Tectonic plate : African Approximate position X coordinate (m) : 5085442.780 Y coordinate (m) : 2668263.483 Z coordinate (m) : -2768697.034 Latitude (deg) : -25.88975199 S Longitude (deg) : 27.68539261 E Elevation (m) : 1415 Source of position : ITRF Additional information : Elevation is above WGS84 ellipsoid 2.2 Site local survey network information Number of reference markers : 12 Type of marker : pillar Frequency of surveying : annual Surveying method : GPS Survey instruments used : GPS Accuracy : +/- 3 mm Survey performed by : Ludwig Combrinck Survey documentation : report Most recent survey date : 2000-mar-10 Results provided to IERS: yes Results provided to CDDIS: no Person responsible : Ludwig Combrinck 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 : 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 : 3. Antenna information Diameter (m) : 26 Axis type : HADC Axis offset (m) : 6.6956 +- 2.3 mm Slew rate first axis : 0.5 deg/sec Slew rate second axis : 0.5 deg/sec Limit stops first axis : -88,+88 Limit stops second axis : -88,+45 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 : dichroic X 1st-stage amplifier : cooled HEMT X bandwidth (MHz) : 800 X Tsys at zenith (K) : 40 X SEFD (Jy) : X aperture efficiency : (optional) X LO frequencies (MHz) : 8080 S 1st-stage amplifier : cooled HEMT S bandwidth (MHz) : 240 S Tsys at zenith (K) : 50 S SEFD (Jy) : S aperture efficiency : (optional) S LO frequencies (MHz) : 2020 Phase calibrator type : NASA/CDP with 5 MHz input 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 : (e.g. RG214, optical fiber, etc.) X band freq. bandpass : (MHz) S band cable type : (e.g. RG214, optical fiber, etc.) S band freq. bandpass : (MHz) LO ref signal cable type: (e.g. RG214, optical fiber, etc.) LO ref signal freq. : (MHz) Phase cal ref signal cable type: (e.g. RG214, optical fiber, etc.) Phase cal ref signal freq. : (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 : MarkIV, K4-1 Number of mixers : MarkIV type has 1 mixer per converter, Sidebands available : U&L Number of mixers with the following filters in all sideband outputs: 2 MHz : 15 4 MHz : 15 8 MHz : 15 16 MHz : 15 32 MHz : 15 Additional information : (multiple lines allowed) 6.1.x (add sections for each additional video/baseband converter set) 6.2 Formatter Formatter type : MarkIV, S2 Serial number or rack ID: SN 007 Additional information : (multiple lines allowed) 6.2.x (add sections for each additional formatter) 6.3 Decoder Decode type : MarkIII, S2 Additional information : (multiple lines allowed) 6.3.x (add sections for each additional decoder) 6.4 IF distribution IF distributor type : MarkIII/IV+IF3 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 : CresTech VIA interface box, S2 16 channel sampler Additional information : (multiple lines allowed) 6.6.x (add lines or sections for other types of rack equipment) 6.7 Recorders Recorder type : MarkIV, S2 Number of recorders : 1 MarkIV, 1 S2 Tape type : 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: : 6.8.1.1 MKIV IF distribution : 6.8.1.2 MKIV BBCs : 6.8.1.3 MKIV formatter : 6.8.1.4 MKIV decoder : 6.8.1.5 MKIV recorder 6.8.2 Configuration 2 : 6.8.2.1 IF distributor MKIV : 6.8.2.2 MKIV BBCs : 6.8.2.3 S2 16 Chan 1 bit sampler : 6.8.2.4 Crestech : 6.8.2.5 S2 Recorder 7 Meteorological instrumentation 7.1 Humidity sensor Manufacturer : Delta OHM Model : HD 8508TC Accuracy : (% rel h) Effective dates : (yyyy-mmm-dd to yyyy-mmm-dd) Additional information : (multiple lines allowed) 7.2 Pressure sensor Manufacturer : Setra Model : Sirius III SP-208 Accuracy : 0.1 Effective dates : (yyyy-mmm-dd to yyyy-mmm-dd) Height relative to VLBI : (m) Additional information : (multiple lines allowed) 7.3 Temperature sensor Manufacturer : Delta OHM Model : HD 8508TC Accuracy : (degrees) 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 Installed dates : 1985-MAY-13 Manufacturer : Oscilloquartz Model number or ID : EFOS 6 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 : GPS Instrument name : Ashtec Z12 Status : Permanent Effective dates : 1996-SEP-05 Included in local survey: yes Additional information : (multiple lines allowed) 10.x (add sections for each type) 11. Field System computer information System vendor : PCI CPU : P CPU speed : 100 MHz Memory : 48 Mbytes Disk : 2x1 Gbytes Linux release : Debian 2.0 Internet connection : direct Antenna interface type : ethernet Spare FS computer? : yes 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 : Hartebeesthoek Radio Astronomy Observatory Shipping address : CSIR Clearing Officer Johannesburg International Airport To: HartRAO Attention: Frans Nortje/Annette Joubert Tel: 012-841 3545 Postal address : (if different, multiple lines) URL of site web page :http://www.hartrao.ac.za On-site Friend of VLBI Name :Jonathan Quick Telephone (primary) :+27 12 326 0742 Telephone (alternate) : Fax :+27 12 326 0756 E-mail :jon@hartrao.ac.za On-site VLBI operations room Telephone (primary) : +27 12 326 0742 Telephone (alternate) : Fax : +27 12 326 0756 E-mail : Other on-site contact Name : Ludwig Combrinck Telephone (primary) : +27 12 326 0742 Telephone (alternate) : Fax : +27 12 326 0756 E-mail : ludwig@hartrao.ac.za 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)