... Shareable data center . ... Experimental research on ionospheric disturbances of natural and technogenic origin, and on the transionospheric propagation of decimetric radio waves, based on processing data from the global network of two-frequency receivers of the GPS-GLONASS navigation systems . ... Estimation of the sensitivity of the method of global integration at the detection of an ionospheric response to faint solar flares and disturbances of non-solar origin (supernova explosions). ...

... What's New? Bad Astronomy . ... News . ... The ABC website science section has a pop quiz today that asks an interesting multiple choice question: ``How much mass does the Sun convert in to energy each second?' ... 9 pounds . ... Even though 5 million tons sounds like a lot, it's chicken feed compared to the mass of the Sun, which is 2 thousand million million million million tons! So the Sun converts only 0.0000000000000000000025 of its mass into energy every second. ... 2008 Phil Plait. ...

... Space flight . ... Zero Gravity . ... The airplane volume (3,4m У 3,2m У 14.1 Л), as well as the payload of experimental equipment, allocated in the laboratory compartment, advantageously single out our airplane from the similar ones in the world. The results of tests and experiments are registered by the standard on-board aircraft systems and additional test- and measuring equipment of the customer. ... Length of the airplane . ... Flight duration . ... Auxiliary Radio Communication Equipment: . ...

... Hand Made (Модераторы: Diskus , Hornet ) > . converter USB-RS232(USART) . ... Оффлайн . Сообщений: 134 . Благодарностей: 0 . ... Сообщений: 27 . ... Ответ #1 : 26 Январь 2012, 00:54:54 ? ... Сообщений: 334 . ... http://astroccd.org/ . ... Цитата: Tair-2011 от 26 Январь 2012, 19:29:45 Действительно! ... Цитата: vakula от 26 Январь 2012, 22:53:18 Часть схемы можно взять отсюда: http://avrlab.com/node/138 , трансивер просто вешаем на ноги FT232R, вывод Enable на + питания, Config - на землю. ...

... The engine operates with all three propellants (lox, kerosene, hydrogen) in the booster mode (mode 1) and transitions to bipropellant operation (lox, hydrogen) for the latter portion of the trajectory (mode 2). ... In mode 1 operation the hydrogen enhances the combustion of the kerosene to provide to tripropellant specific impulse levels higher than obtainable with separate combustion of the fuels. ... mode 1) . ... DASA, Munchen, February 1994, приведены следующие параметры двигателя РД-701 : . ...

SET OF MAGNETIC AND ELECTRIC FIELD DETECTORS EXO-EM . ... 3 components measurements of both magnetic and electric fields; . ... wide frequency range (0 - 10000) Hz; . ... ECHO-EM is intended for measurement of a complete vector and three components of both electric and magnetic fields, and transfers the received data to the block of the processing of the information and also in telemetry. ... digital 0.1-20 Hz; . ... frequency band (0.01- 10000) Hz; . ... digital (500 - 1000) Hz; . ...

... The paper tracks basic evolution of the Soviet rocket and space industry after the 1946 and analyzes "genealogical trees" of the original enterprises (NII-88, NII-885, OKB-456, etc.) to reveal typical features of this evolution. ... The paper tracks basic evolution of the Soviet rocket and space industry after the 1946, when an original set of institutions was established. ... The study demonstrates, that the evolution of the Soviet rocket and space industry is more complicated, than usually...

... Home Articles Amateur Telescope Making . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... The project of making a 17-1/2 inch telescope was made possible only with the help of many other people, most of whom are part of the?а Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... The accuracy of the RESIK measurements allows photospheric and coronal abundance sets, important for the freeґbound continuum, to be discriminated. ... The FB emission depends on the set of abundances used in the calculations, a coronal set (Feldman 1992; Fludra & Schmelz 1999) giving rise to greater emission than a photospheric set (Grevesse et al. ... Right panel: continuum fluxes compared for coronal (Feldman 1992) and photospheric (Grevesse et al. 2007) abundances for Te = 15 MK. ...

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . ... SSRT - Receiving systems . The SSRT has two independent receiving systems for recording solar observational data, and several ancillary receivers for checking, setting up and adjusting the instrument. The base receiving systen is a multichannel filter receiver for a simultaneous recording in 180 channels with the 500 kHz band each, adjusted at steps of about 600 kHz. ... Channel's band . ...

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