Network Station Configuration File International VLBI Service Refer to the instructions in the file https://ivscc.gsfc.nasa.gov/stations/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) : Chris Coughlin Date prepared : 29 Apr 2019 Report type : new 1. Site identification Site name : Kokee Park Geophysical Observatory Site 8-letter code : Kokee Site 2-letter code(s) : Kk, K2 IERS DOMES number : 40424 CDP occupation code : 72983001 CDP monument number : 7298 Surveyed into national network? : yes IGS station code : kokb ILRS station name : n/a 2. Site information 2.1 Site location information City or Town : Waimea State or Province : Hawaii Country : USA Tectonic plate : Pacific Approximate position X coordinate (m) : -5543837.588 Y coordinate (m) : -2054568.116 Z coordinate (m) : 2387851.829 Latitude (deg) : 22.1266 N Longitude (deg) : 159.6651 W Elevation (m) : 1159.15 MSL Source of position : Local Survey Additional information : Last survey performed 03/2014 for local tie 20M, 12M, GNSS, Doris reference point (SGP 7298) to local network. 2.2 Site local survey network information Number of reference markers : Five=09 Type of marker : Leica GPH1P Precision Reflectors serving as both target and reflector Frequency of surveying : 1989, 1993, 1996, 2014, 2018 Surveying method : (directions, distances, levelling, GPS, etc.) Survey instruments used : (Tacheometers, etc.) Accuracy : (+/- 1 mm) Survey performed by : National Geodetic Survey (NGS) Survey documentation : Survey Report Most recent survey date : 2014-03 Results provided to IERS: yes Results provided to CDDIS: yes Person responsible : Kendall L. Fancher, NGS Additional information : (multiple lines allowed) 2.3 Site descriptive information Electronic file available at IVSCC: 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 : nsKksmNN.type Site diagram : nsKksm01.jpg Horizon mask diagram : nsKksmNN.type Monument description : nsKksmNN.type Site photographs : nsKksm02.jpg nsKksm03.jpg nsKksm04.jpg URLs for reference Site map : Site diagram : Horizon mask : Monument description : Site photographs : Additional information : (multiple lines allowed) 3. Antenna information A:20M Diameter (m) : 20m Axis type : AZEL Axis offset (m) : 0.5185m Slew rate first axis : 2 degree/sec Slew rate second axis : 2 degree/sec Limit stops first axis : CW 90.1, ccw 269.9 540 degree of travel Limit stops second axis : 0.7, 92.0 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 ) 17.400 0.000/23.167 2.033/32.333 2.333/35.433 2.633/ 38.567 2.967/43.567 3.533/47.817 3.500/51.784 4.250/ 53.250 4.350/55.917 3.733/57.284 3.150/60.500 2.067/ 61.100 1.767/63.934 0.733/66.400 0.617/69.700 0.467/ 70.534 1.800/74.800 0.867/76.334 0.867/78.717 0.583/ 79.784 1.200/85.350 0.733/64.650 1.317/94.650 0.683/ 96.567 0.733/97.417 1.167/98.350 0.983/109.817 1.250/ 110.217 10.800/110.650 1.450/120.534 0.583/122.867 0.517/ 127.117 0.317/132.650 0.117/132.850 0.483/185.834 0.017/ 187.500 0.717/187.734 0.250/189.117 0.417/193.650 6.033/ 197.534 2.483/197.650 0.850/198.000 0.400/201.517 0.300 Occupation dates : 1993 to present Additional information : (multiple lines allowed) B:12M Diameter (m) : 12m Axis type : AZEL Axis offset (m) : Slew rate first axis : 12 degree/sec Slew rate second axis : 6 degree/sec Limit stops first axis : CW 0.0, ccw 180.0 540 degree of travel Limit stops second axis : 0.8, 90.0 Horizon mask data : Occupation dates : 2016 to present Additional information : (multiple lines allowed) 4. Receiver information A:20M Feed location : prime focus Feed type : Dual-Band Horn X 1st-stage amplifier : Cooled HEMT X bandwidth (MHz) : 866 Mhz X Tsys at zenith (K) : 40K X SEFD (Jy) : 900 (CASA) X aperture efficiency : 0.406 X LO frequencies (MHz) : 7600 Mhz S 1st-stage amplifier : Cooled HEMT=20 S bandwidth (MHz) : 230 Mhz S Tsys at zenith (K) : 40K S SEFD (Jy) : 665 (CASA) S aperture efficiency : 0.539 S LO frequencies (MHz) : 2000 Mhz Phase calibrator type : NASA/CDP with 5 MHz input and temperature controller Additional information : (multiple lines allowed)=20 B:12M Feed location : Cassegrain Feed type : Quadruple-Ridged Flared Horn (QRFH) Hpol 1st-stage : Cooled LNA Hpol bandwidth (GHz) : 2-14GHz Hpol Tsys at zenith (K) : 40K Hpol SEFD (Jy) : 2000 (CASA) Vpol 1st-stage : Cooled LNA Vpol bandwidth (GHz) : 2-14GHz Vpol Tsys at zenith (K) : 40K Vpol SEFD (Jy) : 2000 (CASA) Phase calibrator type : MIT with 5 MHz input and temperature controller Additional information : (multiple lines allowed) 5. Cables between receiver and back end A:20M Length of cable run : 300 feet (approx) X band cable type : optical fiber X band freq. bandpass : 500-1500 (MHz) S band cable type : optical fiber S band freq. bandpass : 100-400 (MHz) LO ref signal cable type: optical fiber LO ref signal freq. : 500 Mhz Phase cal ref signal cable type: optical fiber Phase cal ref signal freq. : 5 (MHz) Cable meas. system type : 500 MHz round trip measured with vector voltmeter Additional information : X-Band and S-Band signals multiplexed on a single fiber along with 500Mhz reference signal B:12M Length of cable run : 200 feet (approx) Hpol cable type : Coax LMR-400 Hpol freq. bandpass : A-2.472(GHz) B-4.712(GHz) C-5.832(GHz) D-9.672(GHz) Vpol cable type : Coax LMR-400 Vpol freq. bandpass : A-2.472(GHz) B-4.712(GHz) C-5.832(GHz) D-9.672(GHz) Ref signal cable type: Coax RG-59 Ref signal freq. : 5 Mhz Phase cal ref signal cable type: Coax Phase cal ref signal freq. : 5 (MHz) Cable meas. system type : MIT CDMS Additional information : H and V Polarization, 2-14 GHz, Bands A-D 6. Data acquisition system information 6.1 Video/baseband converter set (group each set of up to 16 mixers with similar characteristics) 20M: 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 : 14 4 MHz : 14 8 MHz : 14 16 MHz : 14 32 MHz : 14 Additional information : (multiple lines allowed) 12M: RDBE set (group each set of 4, with programable personality) Type of converter : MIT Frequency Bands : A-2.472(GHz) B-4.712(GHz) C-5.832(GHz) D-9.672(GHz) 6.2 Formatter 20M: Formatter type : Mark 5B+ Formatter Serial number or rack ID: (e.g. formatter ID) Additional information : (multiple lines allowed) 12M: Formatter type : RDBE Formatter Serial number or rack ID: Additional information : (multiple lines allowed) 6.3 Sampler Module 20M: Decode type : VLBA VSI-4 Sampler Module Additional information : 6.4 IF distribution 20M: IF distributor type : VLBAG Additional information : 12M: IF distributor type : MIT RF Distributor Additional information : 6.5 Up/down converters 20M: X up/down converter freq.: Upper X-band (1000-1500) is downconverter by 500Mhz S up/down converter freq.: Up converted by 500Mhz Additional information : 12M: Up/down converters Band A converter freq.: 2.472 GHz Band B converter freq.: 4.712 GHz Band C converter freq.: 5.832 GHz Band D converter freq.: 9.672 GHz Additional information : 6.6 Other rack equipment Additional information : (multiple lines allowed) 6.7 Recorders 20M: Recorder type : Mark5 B+ Number of recorders : two Tape type : Mark5 Diskpack 12M: Recorder type : Mark6 Number of recorders : two Tape type : Mark6 Diskpack Additional information : (multiple lines allowed) 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: 20M: : 6.1.1 VLBA BBCs : 6.2 Mark5B+ formatter : 6.3 VLBA DQA : 6.4 VLBAG IF distribution : 6.7 Mark5B+ recorder 12M: :6.1.1 RDBEs :6.2 RDBE formatter :6.4 MIT RF Distributor :6.7 Mark6 recorder 7 Meteorological instrumentation 7.1 Humidity sensor Manufacturer : Paroscientific Inc. Model : MET4A Accuracy : (% rel h) Effective dates : Jan 2016 to present Additional information : (multiple lines allowed) 7.2 Pressure sensor Manufacturer : Paroscientific Inc. Model : MET4A Accuracy : 0.1 mbar Effective dates : Jan 2016 to present Height relative to VLBI : Approx -76ft. (feet) Additional information : (multiple lines allowed) 7.3 Temperature sensor Manufacturer : Paroscientific Inc. Model : MET4A Accuracy : Effective dates : Jan 2016 to present Additional information : (multiple lines allowed) 7.4 Wind Sensor Manufacturer : Vaisala Model : WMT700 Ultra Sonic Wind Sensor Accuracy : Effective dates : Jan 2016 to present Additional information : (multiple lines allowed) 8. Time and frequency standards 8.1 Standard type : H-maser GPS timing rcvr Installed dates : May 93 to present Manufacturer : Sigma Tau Model number or ID : 6 Additional information : (multiple lines allowed) 9. Auxilliary equipment information Type of equipment : Installed dates : (yyyy-mmm-dd to yyyy-mmm-dd) Manufacturer : Model number or ID : Additional information : (multiple lines allowed) 10. Co-location information 10.1 Instrument type : Doris Instrument name : Status : Permanent Effective dates : 1990-Sep-25 to Present Included in local survey: yes Additional information : (multiple lines allowed) 10.2 Instrument type : Prare Instrument name : Status : Permanent Effective dates : 1995-Dec to Present Included in local survey: yes 10.3 Instrument type : GPS - IGS Instrument name : Turbo Rogue Status : Permanent Effective dates : 1990-Nov-21 to Present Included in local survey: yes 11. Field System computer information 20M: System vendor : SWT Technologies CPU : Genuine Intel CPU speed : Intel ® Core ™ 2 Duo CPU E8200 @ 2.66GHz Memory : 2 GB Disk : 500 GB Linux release : 9.11.7 Internet connection : direct Antenna interface type : RS-232 serial Spare FS computer? : yes 12M: System vendor : SWT Technologies CPU : Genuine Intel CPU speed : Intel ® Core ™ i3-4370 CPU @ 3.80GHz Memory : 8 GB Disk : 1 TB Linux release : 9.12.2 Internet connection : direct Antenna interface type : Ethernet/Modbus 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) 13. On-site contact information Agency : (multiple lines) Shipping address : Kokee Park Geophysical Observatory Kokee State Park, BLDG.786 Waimea, Hawaii 96796 Postal address Kokee Park Geophysical Observatory P.O. Box 538 Waimea, Hawaii 96796 URL of site web page : Under construction On-site Friend of VLBI Name : Chris Coughlin Telephone (primary) : (808) 335-6495 Telephone (alternate) : (808) 335-0425 Fax : (808) 335-5517 E-mail : CCOUGH01@peraton.com On-site VLBI operations room Telephone (primary) : (808) 335-6495 Telephone (alternate) : (808) 335-0425 Fax : (808) 335-5517 E-mail : DL-KPGO@peraton.com 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 : NASA Shipping address : Code 619.1, Building 22, Room 192C Postal address : Goddard Space Flight Center, Greenbelt, MD URL of agency web page : Primary administrative agency contact Contact person : Darryl Lakins Telephone (primary) : Telephone (alternate) : Fax : E-mail : Darryl.d.lakins@nasa.gov Alternate agency contact Contact person : Jim Long Telephone (primary) : Telephone (alternate) : Fax : E-mail : james.l.long@nasa.gov Additional information : (multiple lines allowed) 15. More information Additional information : (multiple lines allowed)