... page modification history gain curves sefd curves system performance (all receivers) cal values focus curves system temperature multi frequency measurements temperature: platform,bowl,turret room, gain dependence stokes calibration miscellaneous . ... Alfa multi beam . ... sband wide (1.7-3 Ghz) . ... cband (4-6 Ghz) . ... System Temperatures all rcvrs . ... galfacts caldeflection (alfa gain stability) . ... Ao compute server list . ... System gain stability vs rotary floor room temperature (cband) ...

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• system Performance
• online datatking program doc
• The Telescope Optics and Pointing

... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...

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HUBBLE SPACE TELESCOPE DAILY REPORT #1159 PERIOD COVERED: 0700 EST Daily Status Report as of 165/1200Z. 1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED: 1.1 Completed FOS/BL 5656 (WF/PC-2 Cycle 4 Calibration: Internal Monitor. 2: Flats Part 2) The Faint Object Spectrograph (Blue side) was used to make calibration observations of star HD207757 (aka, AG Pegasi) and object NGC-188-225. ... No anomalies were noted. ... 1.5 Completed WF/PC-2 5560 (WF/PC-2 Cycle 4 Calibration: Internal Monitor. ...

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• http://www.stsci.edu/ftp/observing/status_reports/old_reports_94/hst_status_02_14_94
• http://www.stsci.edu/ftp/observing/status_reports/old_reports_94/hst_status_02_16_94
• http://www.stsci.edu/ftp/observing/status_reports/old_reports_93/hst_status_02_01_93

... Driver ID: GPS-HP . ... This driver supports the HP 58503A Time and Frequency Reference Receiver. ... It receiver should be operated with factory default settings. Initial driver operation: expects the receiver to be already locked to GPS, configured and able to output timecode format 2 messages. The driver uses the poll sequence :PTIME:TCODE? to get a response from the receiver. ... Specifies the driver reference identifier, an ASCII string from one to four characters, with default GPS . ...

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• TrueTime GPS/GOES/OMEGA Receivers
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• Heath WWV/WWVH Receiver

Dick Ferris [0] Receiver architecture, correlator architecture, digitisation, beamforming, interference mitigation, data transport, cost and complexity are inexorably intertwined. A combination of baseband receiver, digital filterbank correlator and mixed delay and phase digital beamformers, provides a flexible and efficient solution. ... Data Growth & Compression In a 4k channel filterbank the word size necessarily grows by 6 bits in order to maintain the input dynamic range. ...

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• http://www.atnf.csiro.au/management/atuc/2011oct/docs/carretti_ATUC_1110.pdf
• SEST -- MOPRA Comparison at Millimetre-Waves
• PmWiki | PmWiki / InterMap

... Up: Interrupts and Signals Previous: Sending Signals - kill() . int (*signal(int sig, void (*func)()))() - that is to say the function signal() will call the func functions if the process receives a signal sig . ... signal(SIGINT, SIG_IGN); . ... Finally lets write a program that communicates between child and parent processes using kill() and signal(). fork() creates the child process from the parent. ... The child picks up these signals with signal() and calls appropriate functions. ...

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... We present several applications of the AIPS++ environment as applied to the development of the Green Bank Telescope as well as current astrophysical problems. ... In particular, the Green Bank Telescope (GBT) project requires AIPS++ as an analysis environment. To accommodate and facilitate the GBT development, several sets of tools have been fashioned within AIPS++ at several points along the data path, from general calibration routines and data quality assessment to analysis and modeling. ...

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• Enhanced HST Pointing and Calibration Accuracy: Generating HST Jitter Files at
• ADASS 2003 Conference Proceedings
• A Graphical Front End for the WIYN Telescope Engineering Data System

... Flight 1) 2) 3) Flight 1) 2) 3) model FM1 has the following parts: LNA MY-18, serial number PN 01-0252, factory number FM1; receiver box KRT-18, serial number PN 17660-01, factory number FM-001; DC-DC converters IVEP1 and IVEP2, factory number 05. model FM2 has the following parts: LNA MY-18, serial number PN 01-0252, factory number FM2; Receiver box KRT-18 serial number PN 17660-01, factory number FM-002; DC-DC converters IVEP1 and IVEP2 factory number 06. ... See Appendix 1. ... 2003. ... 2004 . ...

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• RadioAstron Monthly Notices
• ОТЧЕТ
• Description of the RadioAstron project, english version

... Direct data transmission rate (Mbps) . ... the density of electron fluexs with energies in four bands from 0.04 MeV to 1.7 MeV; . ... sensor (TV, IR) data and heliogeophisical information (HGI) transmission to data receiving and processing centers at a rate of up to 2.56 Mbps; . ... 1.76 GHz - TV- and heliogeophysical information and DCLI's data transmission to data receiving and processing centers; . 7.5 GHz - TV- and heliogeophisical data transmission to data receiving and processing centers; . ...

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... SMIS : Space Monitoring Information Support laboratory . Russia's Weather : State Meteorological Center Weather Forecast . Space Weather service : ACE real time solar wind data and simple geomagnetic activity forecast. ... World Fire Web : Space Research Institute (IKI) node . Sputnik : Joint project of SRC Planeta, Rosgidromet and Space Research Institute (IKI) . ... Today's Space Weather : Presented by the Space Environment Center . ... Back to the Space Research Institute Home Page ...

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• Lagrangian Points
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• The Wind Spacecraft

... This section describes the remaining GnomeCanvasItem methods, including event , point , bounds , realize , unrealize , map , and unmap . ... Here is the point method for GnomeCanvasRect : . static double gnome_ canvas _rect_ point ( GnomeCanvasItem * item , double x, double y, int cx, int cy, GnomeCanvasItem **actual_ item ) { GnomeCanvasRE *re; double x1, y1, x2, y2; double hwidth ; double dx, dy; double tmp; re = GNOME_ CANVAS _RE ( item ); *actual_ item = ...

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• Platform Specific Notes - Apache HTTP Server
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Radio Interferometry Principles . Radio Interferometry Signal Processing . ... A radio interferometer consists of a pair of directional antennas that are tuned to receive radio emissions from a source in a desired RF band. ... The antennas are pointed at the radio source of interest and are set up to receive the signal and process it into a form suitable for transmission to the correlator. ... In connected element interferometry, the digital signal goes directly to the correlator. ...

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... The Science Operation Department is composed of Astronomers, Telescope Instruments Operators(TIOs) and Data Handling Administrators(DHAs). ... Astronomers have proposed several methods to quantitatively measure the amount of turbulence above the telescope, which the most common ones is Differential Image Motion Monitor (DIMM). In optical testing, the Hartmann test is the common method to test the quality of optical components. ... Hartmann mask consists of 48 lenses. ...

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Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Chirp ionosonde main technical characteristics . ... Linear frequency modulated continuous signals sounding method is relatively simple and has wide application in various special-purpose systems. ... Chirp signals which are applying for ionosphere channel diagnostics usually have10KHz/s -- 1MHz/s. We must point out that under modulation speed increasing there is an increase in noise suppression and resolution power. ...

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• East Siberian Center of Earth Ionosphere Research. IS radar Receivers Hall.

... Skalnatґ Pleso 43, 1 ­ 2, (2014) e Mini-MegaTORTORA ­ multichannel system for wide-field optical monitoring with high temp oral resolution V. Sasyuk1 , G. Beskin2 , S. Karp ov2 , S. Bondar3 , A. Perkov3 , E. Ivanov3 , E. Katkova3 and A. Shearer4 2 Kazan Federal University, Russia Special Astrophysical Observatory of Russian Academy of Sciences, Russia 3 Insttitute for Precise Instrumentation, Russia 4 National University of Ireland, Galway, Ireland Received: November 4, 2013; Accepted: ?? ...

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... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... History . Brief History of Rocket and Space Technology . ... ISS Russian Segment . ... Study of USH-radio signal transmit/receive conditions in the mode of onboard radio beacon in the ISS RS using world-wide ham radio network. ... Determining zones of DP radio shadowing zones by the station structural members depending upon its spatial orientation. ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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• INTERNATIONAL SPACE STATION
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First light from the Superconducting Integrated Receiver on board Terahertz limb sounder TELIS P. Yagoubova, G. de Langea, R. Hoogeveena, A. de Langea and V. Kosheletsb a Netherlands Institute for Space Research, SRON, the Netherlands b Institute of Radio Engineering and Electronics, IREE, Russia Abstract-- We present the flight configuration and performance of the Superconducting Integrated Receiver (SIR) channel on the TELIS instrument (Terahertz and Submm Limb Sounder). ...

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• http://www.cplire.ru/html/lab234/pubs/2004-06.pdf
• http://www.cplire.ru/html/lab234/pubs/2007_08.pdf
• http://www.cplire.ru/html/lab234/pubs/2011_12.pdf

The Ryle Telescope was used for some years for monitoring variable sources (in addition to its role in source-surveys related to the Sunyaev-Zeldovitch studies). The instrument is now transformed into the "AMI large array": see the AMI pages for details. ... The rebuild took place between 2006 June and mid-2008; between these dates there is no useful data available. ... For some sources there are many plots, organised by date: . ...

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• OptInt PmWiki : MROI / P 4 S
• OptInt PmWiki : MROIFastTipTilt / Tech Meet 12
• Astrophysics Group VSA

. Previous slide . Back to first slide . View graphic version .

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• Time coordinate system (TIMCOORD)
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... build and test receivers up to 40 - 350 GHz . ... Banham R., Valsecchi G., Lucci L., Pelosi G., Selleri S., Natale V., Nesti R., Tofani G. 2005, Microwave Journal 48, 112 Electroformed front-end at 100 GHz for Radioastronomical applications . Comoretto, G., D'Ambrosi, A., Nesti, R., Russo, A., Palagi, P. 2006, Arcetri Technical Report n. 4 A modular multichannel spectrometer - design study . ... Cresci, L., Lucci, L., Orfei A., Natale, V., Nesti, R., Panella, D., Pelosi, G., Rossi, L. 2006, Mem. ...

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