... 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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• http://www.naic.edu/~phil/cals/computingthecalvalues.html
• novatel gps antenna and receiver
• system_temperatures

Operating of the superconducting integrated receiver channel of the TELIS atmospheric sounder. ... The noise temperature of the SIR was measured to be as low as 120 K, with an intermediate frequency band of 4 ґ 8 GHz in double sideband operation; the spectral resolution is well below 1 MHz. The SIR was implemented in the three-channel balloon-borne instrument TELIS (TErahertz and submillimeter LImb Sounder) that detects spectral emission lines of stratospheric trace gases (like ClO and BrO). ...

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• http://www.cplire.ru/html/lab234/pubs/2010-13.pdf
• http://www.cplire.ru/html/lab234/pubs/2004-15.pdf
• http://www.cplire.ru/html/lab234/pubs/2008_11.pdf

... 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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• Parkes Radiotelescope Observers Guide - Telescope receivers
• ASKAP Receivers
• The Parkes 21cm Multibeam Receiver

... 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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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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• Feed cabin 2
• Spectrometric complex LRS
• di_eks

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

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.
• East Siberian Center for the Earth's Ionosphere Research. Modernization...

... In the first page of this chapter, Eddington computes an effective temperature of 3.18 K, but this has nothing to do with the 2.725 K blackbody spectrum of the Cosmic Microwave Background (CMB) . Here is a quote of what Eddington actually said: . ... We shall first calculate the energy density of this radiation. ... It is clear that Eddington's model fits the optical data, but that Eddington did not anticipate either the CMB (red curve) or the interstellar dust (ISD, green curve). ...

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• HwB: RS422 Connector
• Up-date RC-sources Spectra
• HwB: Macintosh RS-422 Connector

... 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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The Network Time Protocol (NTP) is used to synchronize the time of a computer client or server to another server or reference time source, such as a radio or satellite receiver or modem. ... Information on the NTP architecture, protocol and algorithms can be found in the following articles and reports, which are available online . Mills, D.L. Internet time synchronization: the Network Time Protocol. ... Mills, D.L. Network Time Protocol (Version 3) specification, implementation and analysis. ...

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• The Network Time Protocol (NTP) Distribution
• Time and Time Interval Measurement with Application to Computer and Network
• Hewlett Packard 58503A GPS Receiver

... 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
• http://www.asc.rssi.ru/RadioAstron/news/newsl/en/newsl_06_en.pdf

... On-line calibration consists of calibration operations performed to maintain the ALMA observing system properly tuned to successfully execute the planned observations. ... Among processing operations are the calibration of the atmospheric absorption, of phase radiometric correction, of pointing scans, of phase and amplitude reference measurements, .. ... In the mean time tests of the calibration software will proceed using both simulated data and data from the antenna prototypes...?re 1 . ...

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• The New JCMT Holographic Surface Mapping System - Implementation
• Modelling Spectro-photometric Characteristics of Eclipsing Binaries
• The ACSIS Data Reduction System

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
• Satellites with commercial missions
• Incoherent scatter [Oulu]

... 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

Common names: EIA-449, RS-449, ISO 4902 . ... at the DTE) . at the DCE) . ... Control . ... A signal send from DCE to its DTE to indicate that it has received a basic carrier signal from a (remote) DCE. ... Timing signals used by the DTE for transmission, where the clock is originated by the DTE and the DCE is the slave. ... A control signal from the DTE to the DCE. ... A control signal from the DTE to the DCE that causes the analog transmision output to be connected to the analog receiver input. ...

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• HwB: RS422 37pin Connector (Offline)
• Microwave Holography of Radioastronomical Antennas
• Radioastronomy laboratory

... 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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• Pass band integrations
• ESO - ALMA
• ESO - Swedish Heterodyne Facility Instrument Science Verification

... 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

... Prognoz Launches . ... Images . ... antenna of the low-frequency radiation receiver of the electromagnetic field . ... panel of solar batteries . magnetometer bar Prognoz is the name of the once soviet Earth research artificial satellites (ISZ for Russian) meant to study processes of solar activity, their influence on interplanetary environment and the Earth magnetosphere. ... solar wind and magnetosphere study . ... Full image is 61k . Full image is 52k . Full image is 60k . ...

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• Microwave radiometers
• Equipment for digital communications
• Lidar homepage - Instrument Information

INFRARED FOURIER-SPECTROMETER SICH-F . ... Instrument work regimes: 1) Inside. 2) Calibration at inside standard sources 2 - 4 times per a rotation. 3) Calibration at "free space" 2 - 4 times per a rotation. 4) Infrared radiation measuring 10 - 40 min. per a rotation. ... Spectrometer consists of the photodetector block and the block of signal processing and control. ... Diagnostic information and attach data will transfer by state telemetric channels. ... Detector temperature. ...

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• SET OF MAGNETIC AND ELECTRIC FIELD DETECTORS EXO-EM
• MISSION WARNING
• A computer controlled low light photometer for nightglow observations

... Readout Modes and Read Noise ----------------------------- The detector may be read out using Correlated Double Sampline (CDS), Multiple CDS (MCDS, a.k.a. Fowler sampling), or up-the-ramp (UTR) modes. ... Read noise is about 11 e- per CDS read. ... A read noise of about 2 e- is achieved for 88 reads (130 s integration time), based on test data taken in early Feb 2013. ... All exposure times are quantized to be multiples of this, so the possible exposure times are 1.45 s, 2.91 s, 4.35 s, and so on. ...

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• STIS Instrument Handbook
• CSPICE Routines: LTIME_C
• STScI Preprint #1280