... 8, ``Celestial Mechanics'', 2002 First results of GPS orbit determination with GRAPE package using a square--root information filter M. O. Keshin Institute of Applied Astronomy, St. Petersburg, Russia The zero--differenced carrier phase measurements contain the distance be­ tween the phase centres of receiver and transmitter antennas biased by unknown integer number of cycles (phase ambiguities). ... In the case of GPS the problem of solar radiation pressure modelling is of primary importance. ...

... A Cosmic Call to Nearby Stars . ... If Earth received this message from deep space, could we decode it? ... The message was broadcast toward local stars by radio telescope during the summer of 1999. ... The familiar Eagle Nebula glows bright in many colors at once. ... Pillars of dark dust nicely outline some of the denser towers of star formation. ... Connecting the Pipe Nebula to the colorful regon near bright star Antares is a dark cloud dubbed the Dark River, flowing from the picture's left edge...

... Astrophysics Group . ... VSA . ... CAT . ... The Very Small Array is a custom-built radio telescope (operating between 26-36 GHz), designed expressly to make high resolution observations of the cosmic microwave background (CMB) radiation on angular scales around and below one degree. ... The VSA has been operated in ?compact array? and ?extended array? configurations (see the technical description below) and data collected to achieve high sensitivity in both regimes have been analysed. ... 1.75 GHz)...

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Radio telescope 's beam Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases Publication SSRT - Siberian Solar Radio Telescope . ...

... Ham packet radio system including: . ... control computer RSC 2. dedicated software monitoring generation of probing pulses in onboard transceiver in radio beacon mode; . ground receiving network of ham radio packet communication to record probing pulses of onboard radio beacon; . ... Generation of onboard radio beacon probing pulses as time marks to ground receiving network (including ham radio receivers of USW) and transmission of the measurement results throughout Internet network. ...

... 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. ...

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . Sun . ... The Magazine . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... What would a bucketful of our Sun contain? ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

This page contains material related to the SETI activities in the USSR and Russia. ... This page is prepared by the SETI Science and Culture Center of the Tsiolkovsky Academy of Cosmonautics and by the SETI Section of the Astronomy Council, Russian Academy of Sciences. The opening sections of this page contain information about the history of SETI in the USSR and Russia, the list of the main publications, the data about SETI institutions and working groups. ...

... Pre-university education . ... The certificate obtained by the University proves compliance of the nanosatellite SamSat-218 with safety requirements when performing works on preparation, during the launch and flight of the carrier rocket Soyuz-2.1a . Samara State Aerospace University received such document for the first time in the history of the University. ... The first students nanosatellite SamSat-218 was made by the students and scientists of Samara State Aerospace University. ...

... Mandatory) a FITS file containing a binary table with a column containing the values to be smoothed. This may optionally contain uncertainties in another column. ... Optional) a FITS file containing a binary table with a column containing the convolver values. ... The number of rows of this table need not be the same as the number of rows of the input table. Optional) a FITS file containing a binary table with a boolean column containing mask values. ...

... After passing degree work in MAO of NAS of of USSR Sosonkin has received the recommendation for receipt in post-graduate course of M??. ... Subjects of his scientific work were use of new receivers of radiation, in particular of electron-optical converters at observant astronomy. ... On industrial base FTI Sosonkin has created installation on base EOC UM - 92 for Cassegrain focus of a telescope ?ZT-2 and similar to it and installation with the same type EOC for focus of Newton. ...

... Copy . ... Set graph type . ... Select the graph to activate and press Accept . ... Select the graph to copy from and the graph to copy to and press Accept . Note: Copying a graph will automatically conceal one of the graphs as they will both have the same viewport settings. ... Select the first graph then the second and press Accept to exchange the contents of the two graphs. ... Select the graph to have the focus, the focus policy, and the toggle for the focus markers and press Accept . ...

W elcome to our collection of children's online astronomy activities. In the following six chapters are hundreds of fun explorations into astronomy as a classroom tool for learning how to theorize, experiment, and analyze data. ... This book is lots of fun for teachers and students alike. This site contains the complete text and graphics of the collection along with related links, a table of contents, an explanation of how to use this book, and email links to the authors. ...

From LISTSERV@AUVM.BITNET Sun Dec 16 00:13:57 1990 Received : from corton.inria.fr by nadia.ircam.fr, Sun, 16 Dec 90 00:13:44 +0100 Received : from resin.cicb.fr by corton.inria.fr (5.65+/90.0.9) via Fnet-EUnet id AA22600; Sun, 16 Dec 90 00:14:00 +0100 (MET) Message-Id: Received : by FRCICB62.bitnet; 15 Dec 90 23:59:08 +0100: Received : from AUVM.BITNET by FRMOP11.BITNET (Mailer R2.03B) with BSMTP id 8599; Sun, 16 Dec 90 00:14:17 GMT ... Packet number is packet being acknowledged as correct. ...

... The common architecture and infrastructure used for the whole ALMA software is presented at this conference in (Schwarz, Farris, & Sommer 2004). ACS offers a CORBA-based container/component model and supports the exchange and persistence of XML data. For the Java programming language, the container integrates transparently the use of type-safe Java binding classes to let applications conveniently work with XML transfer objects without having to parse or serialize them. ...

... Satellite data ] . ... The SCANOR system provides receiving and processing of the Earth-surface pictures made in visible and infra-red bands and transferred by satellites of the NOAA polar orbiter series (in the HRPT mode). ... The SCANOR system includes the desktop receiving device connected to an IBM AT 386 type computer, and the parabolic antenna with the guiding mechanism. The SCANOR system possesses the state-of-art software providing registration and processing of the received data. ...

... FPV 400mw 5.8GHz AV Powerful Transmitter + Receiver (RC5808) Combo . FPV Equipments : FPV Accessories . ... Package Contents : 1 x Transmitter, 1 x Receiver . ... Цвет: бежевый . ... Артикул: 62759_OAB ВАР.1 Цвет: голубой Состав: ткань верха: текстиль, 40% хлопок, 60% полиэстер Страна дизайна: Россия Страна производства: Китай Товар сертифицирован. ... Цвет: черный . ... Цвет: синий . ... Цвет: серый . ... Платье Topshop - Topshop - Topshop . ...

... Gallery . ... The Supervisor receiving one of many handoutтАж . Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . ... Title: The Supervisor receiving one of many handouts . Description: Image: Kim Rawlings . ... The Supervisor receiving one of many handouts Image: Kim Rawlings . Powered by Gallery 3.0.9 (Chartres) . ...

The CHIANTI database consists of 4 primary ASCII files for each ion in the database. contains the energy levels in cm^(-1) It includes both experimental data and theoretical values of the levels energies. ... 2.0, March 1999, NIST Physical Reference Data %theoretical energy levels: Tayal S.S., 2000, ApJ, 530, 1091 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % P.R. Young, Feb 2000 . ... Tayal only tabulates transitions from levels 1 to 10 to higher levels. ...

... The Sun is the closest star to us, and a regular object in our Galaxy. Solar activity manifests itself, primarily, in solar flares - episodic explosive energy release in the form of electromagnetic radiation and high energy particles (electrons and protons). The nature of the flares is related to cyclic variations of global and local magnetic fields in the atmosphere of the Sun. ... Such formations are called active regions. ...