. ATMOSPHERIC INFLUENCE ON THE DIFFERENT RADIO-ENGINEERING . SYSTEM FUNCTIONING . The calculations of the atmospheric impact on terrestrial and satellite communication links with frequencies above 10 GHz using the ITU-R data bank. The correction of the Earth cover optical images obtained from the satellite/ . The Earth atmospheric influence on the radiowave propagation parameters in wide frequency range (from SLF to UV). Contact e-mail: . Pozhidayev Victor, Ph.D - vic@cplire.ru . ? IRE RAS 1996-20 11

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XPA supports both inet and unix (local) socket communication. XPA uses sockets for communication between processes. It supports three methods of socket communication: inet, localhost, and unix. ... You can set up a different method by typing something like: setenv XPA_METHOD local # unix csh XPA_METHOD=local; export XPA_METHOD # unix sh, bash, windows/cygwin set XPA_METHOD=localhost # dos/windows The options for XPA_METHOD are: inet , unix (or local ), and localhost . ... Go to XPA Help Index ...

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Communications For Your Astronomy Event . Articles | ... Once upon a time, communication via radio was something only government entities, commercial establishments and certain private folks could do. ... With the continuing progress of services like General Radio Mobile Service (GMRS) and the recent arrival of Family Radio Service (FRS), it has never been easier to do radio communications for your event all by yourself. ... Broad range of radio bands to utilize. ... www.astronomy.net . ...

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. There are several different shells available for Unix; the most popular are described here. You can use any one of these shells if they are available on your system. And you can switch between the different shells once you have found out if they are available. Bourne shell (sh) . C shell (csh) . TC shell (tcsh) . Korn shell (ksh) . Bourne Again SHell (bash) .

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Next: The hardware and software Up: Keeping Time Previous: Keeping Time . ... Since the Earth is round, noon happens at different times in different places. This leads to the concept of local time . ... As soon as you need to communicate with distant places, you'll notice the need for a common time. ... Each local time is called a time zone. ... Other countries do not do this. ... In the US and some other countries, the local time zones have a name and a three letter abbreviation. ...

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... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Astrophysics graduate student programs . ... Facilities . ATNF facilities . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

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... Up: Future Instruments and Telescopes, Tools . ... New Generation Astronomical Telescopes (NGAT), a class of telescopes designed to be operated remotely and robotically, require efficient methods for communicating images over heterogeneous and low-bandwidth data networks such as the Internet. ... Methods researched thus far involve the classification of astronomical images based on object parameterisation, progressive image transmission, and evaluation of existing image compression schemes. ...

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Distributed Software for Observations in Near Infrared V. Gavryusev 1 and C. Baffa Osservatorio Astrofisico di Arcetri E. Giani Dipartamento di Astronomia, Universit`a di Firenze Abstract. ... The processes denoted for control of hardware (telescope and other instruments) should be executed currently on PC dedicated for this task under DESQview/X, while all other components (user interface, tools for the data analysis, etc.) can work also under Unix. ... 1993, Di Giacomo et al. 1993). ...

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... Ages and Stages of Youth Development . This document, provided by the 4-H Club at the University of Missouri, gives information about the emotional and developmental states of children at different ages. ... K-12 Physical Science Benchmarks . This website part of the AAAS, provides recommended physical science benchmarks by age group. ... Sharing the Universe is based upon work supported by the Informal Education Division of the National Science Foundation under Grant no DRL-0638873. ...

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... Tracking stations will be selected in accordance with the schedule issued daily by the General Operative Control Group (GOCG) in Lavochkin Association with the gaps in operations during spacecraft contact with the control stations (CS). ... Communication frequencies (carrier): high data rate information transmission downlink from the SRT ґ 15.000 GHz; uplink synchronization ґ 7.2075 GHz; downlink synchronization ґ 8.400 GHz. ...

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To all users of the Apache Point Observatory 3.5m telescope and other interested parties: We have set up a mail server and archiver for discussion of various aspects of the 3.5m telescope, patterned after the mail server for the Sloan Digital Sky Survey. ... To subscribe (or unsubscribe) to any of the servers below, please send mail to Michael Strauss (strauss@astro.princeton.edu). To send a message to one of the servers, send mail to (server-name)@astro.princeton.edu. ... Cheers, Michael ...

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VIEW OUT OF THE WINDOW FROM ZELENOGORSK, RUSSIA We are very glad to greet you from distant Siberia! ... VIEW OUT OF YOUR WINDOW . ... We are looking out of the window of the classrooom at school.The winter frost made gorgeous patternson the glasses of the windows.Through these patterns snow gleams beautifully in the sunshine and sparkleswith millions of colours. ... Further away we can watch woods fill up with snow. ... Nata, Lena N, Lena S, Sasha, . ... View Out Of the Window | ...

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... Does the time it takes different methods to create all the elements coincide with the universeт??s accepted age? ... Illinois Urbana-Champaign) Different kinds of stars create elements at different rates, all of which are consistent with the age of the universe. Get instant access to subscriber content on Astronomy.com! ... Registration is FREE and takes only a few seconds to complete. If you are already registered on Astronomy.com, please log in below. ...

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... XmTel is a telescope control interface designed to to communicate with a telescope server, and Elwood Downey's XEphem, through the INDI protocol. It will also operate as a free-standing program for control of telescopes that use the NexStar, Paramount, and LX200 command sets, telescope drive systems built using Galil's industrial motion controller, and RC Optical's Professional series fork mount with electronics from Telescope Control Systems. ... See the notes in the Galil controller directory. ...

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... Photos . Rainbow in Cambridge . ... Different phases of the lunar eclipse . ... Копосов Сергей , 2003-2007 . Koposov Sergey , 2007 ...

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The project of the informational system creation on the problem of evolution of radio galaxies, as a part of the "Big Trio" project aimed on studing of distant radio galaxies, is designed. This system allows a user to operate with simulated curves of spectral energy distributions (SED) to estimate ages and redshifts by photometry data. Authors use SEDs of several models for different types of galaxies. ... The HTTP and e-mail access is organized to this system. ...

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