... It was then mounted on the telescope and the cal values were measured using absorber and sky (see measuring the cals on the telescope using absorber and sky for a description). ... Blue: the cal value computed using the absorber and sky (y factor). ... Blue: a 3rd order polynomial fit to the absorber (red) and ratio (blue) cal values versus frequency (the green sky only cal values were not used). ... The 3rd order polynomial fit versus frequency only used the absorber and absorber/sky ratio values. ...

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• Arecibo Observatory: S-Low Band Receiver
• Arecibo Observatory 327-MHz Gregorian Receiver
• Decommissioned L-weide Receiver

... Torgashina, Gert de Lange, Leo de Jongb, Pavel A Yagoubovb a The Kotel'nikov Institute of Radio Engineering and Electronics, Moscow, Russia b SRON Netherlands Institute for Space Research, Groningen, the Netherlands Abstract--A Superconducting Integrated Receiver (SIR) developed for balloon borne instrument TELIS covers frequency range 450-650 GHz. The DSB noise temperature was measured as low as 120 K. The SIR application for high resolution spectroscopy of breathed out air has been proven. ...

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• http://www.cplire.ru/html/lab234/pubs/2012_08.pdf
• http://www.cplire.ru/html/lab234/pubs/2011_12.pdf
• http://www.cplire.ru/html/lab234/pubs/2004-15.pdf

The Parkes 21cm Multibeam Receiver is a new facility available on the Parkes Telescope which is operated by the Australia Telescope National Facility (ATNF), CSIRO. The facility consists of a 13-beam cooled 21cm receiver system, located at the prime focus of the 64m dish. ... Completed 21cm Multibeam Receiver being hoisted up to the Parkes focus cabin. ... It is now available, in 64 MHz mode and in pulsar mode, for normal National Facility use. ... Beam 1 . Beams 2-7 . ... Frequency Range . ...

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• Australia Telescope National Facility
• Parkes Radiotelescope Observers Guide - Telescope receivers
• mmATCA Receiver Package

... 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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• http://www.asc.rssi.ru/RadioAstron/documents/receivers/eng/92cm_eng.pdf
• http://www.asc.rssi.ru/RadioAstron/archives/RAMN/2005/mar.pdf
• ОТЧЕТ

Feed cabin Nr. ... Fig. ... This allows to realize the sensitivity at frequency ranges 4.8, 11.2 and 30.0 GHz of 5, 7 and 12 mK by double beam switching mode and by the integration time of the output filter 1s. Input waveguide paths were very long and had big losses. ... The focal line of the feed cabin Nr. ... Data Acquisition and Control System . The Data acquisition system of the feed cabin Nr 2 is based on the new measurement ER-DAS system (Embedded Radiometric Data Acquisition System). ...

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• Cosmological Gene project
• Mars2
• Spectrometric complex LRS

... SMIS ] . noise temperature of the low noise amplifier less than 100 K . automatic frequency and polarization adjustment of the received signal . double transform of frequency . power supply: single phase, 220 V, 50 Hz . power consumption: less than 30 Wt . the unit measures: 470 x 300 x 130 mm . weight: less than 10 kg . ... Back to SMIS Home Page . ...

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... Luminosity (L) Ї Ї Ї Ї A source's luminosity is the power that it emits in radiation. ... NB Astronomers often say `flux' when they mean `flux density' Ї SI units are Wm-2Hz -1 -26 filter Ї Also used are Jy 10 Wm-2Hz -1 E= РРРF d dA dt Specific Intensity, Surface Brightness (I) Ї Specific intensity (or surface brightness) is the power received (or emitted) per unit area per unit frequency per unit solid angle. ч F at surface of a spherical source = I Ї Ї Specific intensity is independent of distance...

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• http://www.mrao.cam.ac.uk/~anthony/latex/Tsuboi.ps
• http://www.mrao.cam.ac.uk/~bn204/almasim08/papers/OnLineSimulation.pdf
• Astrophysics Group VSA

... 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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• PSTI/Traconex 1020 WWV/WWVH Receiver
• Spectracom 8170 and Netclock/2 WWVB Receivers
• Heath WWV/WWVH Receiver

... A. M. Neminsky, P. N. Nikolaev, and D. V. Shovkun . ... The temperature dependence of the magnetic field penetration depth lambda ( T ) is determined down to 0.2 T c by the ac-susceptibility measurements on the Rb 3 C 60 fine powder with small, about 1 K, variation in the grains' superconducting transition temperatures. The lambda ( T ) temperature dependence is exponential at low temperatures, which allows us to determine the energy gap Delta 0 =1.7 k B T c . ...

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• Phys. Rev. B 54, 454 (1996): Neminsky et al. - ac susceptibility of Rb

... Espa??ol (Chile) . ... ESO, the European Southern Observatory . ... ESO's Governing Bodies . ... Travel to ESO Headquarters . ... Visits to ESO Sites . ... Weekend Visits to the ALMA OSF . ... Architecture at ESO . Collaborations with ESO . ... ESO . ... First Objects . ... Black Hole at the Centre of our Galaxy . ... 50 years of ESO in Chile . ... First ALMA receiver system from European Front-End Integration Centre is shipped to Chile . ... Subscribe to receive news from ESO in your language . ...

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• ESO - Swedish Heterodyne Facility Instrument Science Verification
• One of the Band 5 receivers for ALMA
• ESO - ALMA

... 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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• Microwave Holography of Radioastronomical Antennas
• Arcetri Radioastronomy group
• HwB: EIA-449 (RS-449) Connector (Offline)

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 for the Earth's Ionosphere Research. Specific character
• East Siberian Center of Earth Ionosphere Research. IS radar Receivers Hall.
• IS-radar

... 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 . ...

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• AV Transmitter + Receiver (TS351 + RC305) Combo Набор садовника-яркая клумба
• Кабель удлинительный 3.0м Hama 3.5 Jack (M) - 3.5 Jack (F) черный 122314 - HAMA
• Что? Зачем? Почему? Большая книга вопросов и ответов 12296407 Платье Bestia

This page provides explanatory text for the dials shown on the Rice Current Solar Wind Conditions and Current Solar Wind Conditions (Dials Only) webpage. These dials use the last good received set of measurements from the Real Time Solar Wind package on the Advanced Composition Explorer (ACE) spacecraft. ... Measured) This quantity is the number of solar wind protons per unit volume as measured by the ACE Solar Wind Electron Proton Alpha Monitor (SWEPAM) . ... It is measured by ACE/SWEPAM. ...

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• ИКИ РАН - Исследование Земли из космоса

... 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. ...

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• S.P. Korolev RSC Energia - International Space Station
• S.P.Korolev RSC Energia - LAUNCHERS

... Tsys (K) . ... 22GHz(1.3cm) . ... 0.06 . ... 160 . ... 1.6GHz(18cm) . ... 105 . 1300) . ...

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... We present a compilation of the flux densities at 22.25 MHz for 395 radio sources. The flux densities are derived from three or more observations of each source. ... In this paper we present a final list of the flux densities scaled both from the specific observations of individual sources and from scans of the survey of galactic emission. The list comprises revised flux densities of sources listed in paper I and new flux densities for sources measured subsequently. ... Braude, S. Ya.: ...

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• On the metallicities of UM 133, UM 283 and UM 382
• HwB: RS422 Connector
• H I 21 cm observations and data reduction

Instruments and Methods 129 Multi-element MMIC focal array for radio telescope V.B. Khaikin1, E.K. Ma jorova1 , Yu.N. Parijskij1, M.D. Parnes2 , R.G. Shifman2 , V.A. Dobrov2 , V.A. Volkov2, V.D. Korolkov2, S.D. Uman2 , N.A. Esepkina3 , and S.K. Kruglov3 The Special Astrophysical Observatory of Russian Academy of Sciences Karachai-Cherkessia, N.Arkhyz, 357147, Russia, E-mail: vkh@brown.nord.nw.ru Svetlana", Rezonance", Ascor", 194156, Engels pr. ... Four-element sub-array prototype is shown in Fig.2. ...

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• The Canadian S2 Correlator - Principles of Radio Interferometry

... Authors: Cecilia Barnbaum 1 , Richard F. Bradley 2 Every year, an increasing amount of radio frequency spectrum in the VHF, UHF, and microwave bands is being utilized to support new commercial and military ventures, and all have the potential to interfere with radio astronomy observations. ... Adaptive interference cancellation is a real-time approach to interference excision that has not been used before in radio astronomy. ... huizinga@stsci.edu . ...

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• Program ID 6898: GHRS Cycle 6: CRIMP2-- Condensed-Regimen Integrated Monitoring
• WFPC2 Drizzle Cookbooks
• New Page 1

... The set of equipment includes 8-mm band transmitting/receiving module (TRM), 1.5-cm band multi-channel receiver, and 2-cm band receiving module. TRM, operating in 8-mm range, assures two-way communication with up to 10 Mbaud rate (33?36 GHz input/output frequency). The 1.5-cm receiver is designed for receiving the service and scientific data from the space radio interferometer in 18?26 GHz frequency range (8 channels) with up to 36 Mbaud data transfer rate. ... 1.5-cm multi-channel receiver . ...

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• Microwave radiometers
• Prognoz Spacecraft
• Lidar homepage - Instrument Information