... L-Wide . ... Receiver History . ... Available Filters: . ... Use with e.g. filter 5) NOTE 2 1120-1220 3 1230-1470 4 1550-1820 5 1100-1800 6 1360-1470 7 1320 hipass NOTE 8 1180-1280 9 1280 hipass (ext Output unit. ... Consequently, the calibration for data collected using the hipass 1320 and the hipass 1370 filters only will be mis-calibrated (i.e. by using the opposite polarisation calibration data). ... It is now possible to select any bandpass filter that is not in the 1320 hipass band. ...

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• gain curves
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... An initial problem with the down conversion system has been rectified, and the receiver is now performing very well. 7mm ATCA Upgrade Early results of tests of the prototype 7mm frontend components indicate that good performance can be achieved across the full 30 to 50GHz band. ... Mopra mm-wave Receiver The new MMIC-based mm-wave receiver at Mopra now has full capability at 12mm, in addition to the 77 to 116GHz coverage at 3mm. ... New and more powerful cryodyne refrigerators will also be installed...

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• ATCA_report
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... Bojan Nikolic web pages (r. 329) . ... Note however that the radiospec is built in the ?build? sub-directory of the directory you installed it to and is not installed ? ... Build radiospec wget http://www.mrao.cam.ac.uk/~bn204/soft/radiospec-1.0.tar.gz tar --strip-components = 1 -xzvf radiospec-1.0.tar.gz PATH = $INSTALLDIR/bin:$PATH scons PKG_CONFIG_PATH = $INSTALLDIR/lib/pkgconfig/ . ... You will at least also need the numpy package for Python . ... Download & building of the radiospec package . ...

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• OptInt PmWiki : MROIDelayLine / Trolley Software
• Astrophysics Group VSA

The problem of measuring the surface accuracy of a large reflector antenna is not simple. ... Using the Fourier relationship connecting the shape (and phase) of the radiation pattern and the antenna illumination function, a measurement of the former can be used to infer the latter. ... We have performed three set of measures on the CNR-IRA 32-m radio telescope (image) . 1988: Measurements using Misell phase retrieval algorithm, and the 22 GHz Orion water vapor maser as a reference source. ...

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• Problem in doing RAW SOCKET Programming
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Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Antenna system . ... The Irkutsk incoherent scatter radar is one of the world's nine active radars which give the opportunity to investigate ionosphere by the incoherent scatter method. ... Antenna gain coefficient . ... Antenna . ... Two antennas . ... To get an idea what station "Dnepr" antenna system looks like, let us consider some of the radar views which are given by the photographs General view and Side view . ...

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• East Siberian Center of Earth Ionosphere Research. Chirp ionosonde.
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Windows 95 FAQ . Q: Where can I find drivers for the MGA Millennium? A: There is a driver on the Windows 95 CD ROM in the \DRIVERS\DISPLAY\MATROX directory. If you did not receive Windows 95 drivers with your Millennium, you can also obtain our Powerdesk drivers for Windows 95 from our BBS or from Compuserve. ... A: You can try using the application with the standard VGA driver, or alternately, try using the Millennium driver, but with hardware accelerations disabled (see below). ...

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• http://crydee.sai.msu.ru/ftproot/pub/comp/hardware/matrox/doc/w95help.doc
• http://crydee.sai.msu.ru/ftproot/pub/comp/os/os2/hobbes/os2/info/os2prob.txt
• http://crydee.sai.msu.ru/ftproot/pub/comp/os/os2/leo/doc/211prob.txt

... 4 A I. I NTRODUCTION AND BACKG ROUND A Superconducting Integrated Receiver (SIR) [1] comprises on one chip a low-noise SIS mixer with quasioptical antenna, an Flux-Flow Oscillator (FFO) acting as a Local Oscillator (LO) and a second SIS harmonic mixer (HM) for the FFO phase locking (see Fig. ... In the SIR the bandwidth is determined by the SIS mixer tuning structure and the matching circuitry between the SIS and the FFO. ...

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• Project METI@home: Messages to ETI from home
• UNITED SOLAR SYSTEM RADAR

... DFS Department Problem Reporting rules and recommendations . ALL change requests, bugs or support request on operational releases (i.e. releases already installed and running on the mountain) must be reported via the DFS Problem Reporting tools , based on the Action Remedy system. ... in case of bug, change request or support need directly reported to you via mail or phone call by s DFS user (Paranal, La Silla, DFO, ...), please, check whether an Action Remedy Problem Report is already open. ...

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In the PROJECT we are using the following peculiar . features of RATAN-600 . ... Brightness temperature sensitivity being equal to the antenna temperature sensitivity .. ... Receiver system .. ... Using aperture averaging effect. dual- beam and dual (multi-) frequency filtration, we demonstrated full filtration of the atmosphere noise down to the receiver noise at all scales of acoustics peaks ( Fig.1 , Fig 2 ). ... We select this frequency as the central one in our project. ... Antenna surface . ...

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• On the problem of high spectral resolution observations of faint objects
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of the RadioAstron Teleconference 4 . ... The agenda of the teleconference and the list of participants are attached as an Appendix A to the Minutes. The main intents of the teleconference were to discuss the results of Pushchino tests, to develop actions in order to overcome the problem of aging of 6-cm and 18-cm receivers and to understand situation with NASA support for the project. ... Andreyanov informed the participants about the procedure and main results of Pushchino tests. ...

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• MEMORANDUM
• Description of the RadioAstron project, english version
• ОТЧЕТ

... For the past years I have been working on the problem of synthesis of light curves of close binary systems, consisting of a normal star and a compact object (point object with fixed X-ray luminosity). ... Possible existence of a bright spot on the disk's lateral surface is taken into account. ... The last of then will be published in Gordon and Breach Publishers ( Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ... Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ...

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It could be that SETI signals have arrived at the Earth, but are lower then the noise level, and our receivers cannot detect them. ... Fig. ... It follows that two zones form around the star with civilization X: "Zone Yes", where its SETI signal can be detected, and "Zone No", where its signals are hidden by noise (Fig. ... In practice, it is more efficient to use a time factor, since the problem of SETI contact does not limit the duration of the signal element and semantic text. ...

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• http://lnfm1.sai.msu.ru/SETI/koi/articles/abstr2.html

XEphem Forum Message . ... Compilation Problem . ... usr/X11R6/lib/libXm.so: undefined reference to `XpGetDocumentData' . usr/X11R6/lib/libXm.so: undefined reference to `XpGetPageDimensions' . usr/X11R6/lib/libXm.so: undefined reference to `XpGetOneAttribute' . ... spinkham@myxa xephem-3.4]$ dir /usr/X11R6/lib/libXm.* . ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Starry Night Problem - an Astronomy Net Software Forum Message
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http :// hea-www.harvard.edu / AstroStat /slog/ 2007 / change - point - problem / Weaving together Astronomy+Statistics+Computer Science+Engineering+Intrumentation, far beyond the growing borders Fri, 01 Jun 2012 18:47:52 +0000 hourly 1 http ://wordpress.org/?v=3.4 http :// hea-www.harvard.edu / AstroStat /slog/ 2007 / change - point - problem /comment-page-1/#comment-64 vlk Fri, 17 Aug 2007 22:09:06 +0000 ... Defining peaks sounds like point estimation from functional data analysis. ...

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... at the ISSP RAS. ... MSU student Kostretsova N.B. successfully defended her thesis entitled "Investigation of Thermal and Chemial Expansivity of Ceria-Based Solid Solutions". ... V.A. Kolotygin successfully defended his PhD thesis "Perovskite-Like Oxide and Composite Anode Materials for Solid Oxide Fuel Cells: Functional Properties and Electrochemical Behavior in Contact with Gallate- and Silicate-Based Solid Electrolytes" and was awarded PhD degree in the area of Materials Science and Engineering ....

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• Problems of the 1-st International Astronomy Olympiad
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... Sighting the telescope, first at the tree and then at pole B, you measure the angle A of the triangle ABC, equal to the difference between the numbers you have read from the azimuth plate.. ... Why triangles? ... One large surveying project of the 1800s was the " Great Trigonometric Survey " of British India. ... Everest was the one who commisioned and first used those giant theodolites; they are now on display in the Museum of the Survey of India in Dehra Dum. ... Everest . ...

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• Welcom to CONPAS workshop
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... The Australian National University] [Department of Physics] [Paul Francis] [Main Roleplay Page] . These exercises are my attempt to adapt the technique of Problem Based Learning to the context of introductory astronomy and astrophysics classes. ... As students grapple with the puzzle, they are forced to learn the subject matter of the course. ... This exercise is designed for 1st year University students with a reasonable high-school background in Maths and Physics. ...

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• Role-Playing and Problem-Based Exercises for Teaching Undergraduate Astronomy
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... Sighting the telescope, first at the tree and then at pole B, you measure the angle A of the triangle ABC, equal to the difference between the numbers you have read from the azimuth plate.. ... Why triangles? ... One large surveying project of the 1800s was the " Great Trigonometric Survey " of British India. ... Everest was the one who commisioned and first used those giant theodolites; they are now on display in the Museum of the Survey of India in Dehra Dum. ... Everest . ...

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• DOK-2 Results Page
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The Telescope:Pointing Data script takes set of pointing error measurements of pointing reference stars across the sky. ... To retry measuring the star, fix the problem (e.g. by adjusting focus, exposure time or offset) and press Continue . ... For each point in the az/alt grid the script will find and slew to a nearby pointing reference star, measure the star, write the pointing error to a data file whose path is displayed, and correct the pointing error. ...

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Next: Imaging by an Optimizing Method . ... A big advantage of this numerical integrator is its stability: the error in the semi-major axis and the eccentricity depends only on the step size and does not grow with an increasing number of time steps. ... As the integration time increases, the numerical results become more contaminated by various errors. ... A new symplectic integrator produces no secular truncation errors in the actions of a Hamiltonian system. ...

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• ADASS 2003 Conference Proceedings
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• ADASS 2002 Conference Proceedings