... USSR Venus Orbiters . ... Each spacecraft consisted of a synthetic aperture radar (SAR) and a radio altimeter. ... The Venera 15 and 16 synthetic aperture radar (SAR) systems were identical, and were used to map the surface of Venus at a resolution of 1 to 2 kilometers (.6 to 1.2 miles) over a period of 8 months. ... The Venera 15 and 16 radar (radio) altimeter systems were identical, and were used to determine the topography of the surface of Venus from the north pole down to about 30њN latitude. ...

... 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 . ...

... Jade morton (now at colorado state) brought a novatel multi frequency gps receiver to ao. ... The cpu will be placed in the antenna test shack while the active antenna will be on the roof of the shack. ... An rf cable out to the 904 antenna probe . ... the red lines show the 10 sweep peak hold. 904 probe at the antenna (.pdf) . 904 probe at the front of the cpu (.pdf) . 904 probe at the back of the cpu (.pdf) . 904 probe with antenna, cpu off (.pdf) . ... near 425 Mhz . ...

... 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 . ...

Radio Interferometry Principles . Radio Interferometry Signal Processing . ... A radio interferometer consists of a pair of directional antennas that are tuned to receive radio emissions from a source in a desired RF band. ... The antennas are pointed at the radio source of interest and are set up to receive the signal and process it into a form suitable for transmission to the correlator. ... In connected element interferometry, the digital signal goes directly to the correlator. ...

... 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)...

... An initial problem with the down conversion system has been rectified, and the receiver is now performing very well. 7mm ATCA Upgrade Early results of tests of the prototype 7mm frontend components indicate that good performance can be achieved across the full 30 to 50GHz band. ... Mopra mm-wave Receiver The new MMIC-based mm-wave receiver at Mopra now has full capability at 12mm, in addition to the 77 to 116GHz coverage at 3mm. ... New and more powerful cryodyne refrigerators will also be installed...

Superconducting Integrated Submm Spectrometer for Laboratory Applications Specification: · Input frequency range : 200 ­ 700 GHz (covered by four exchangeable sensor modules each one covering range of about 100-150 GHz ); · Output frequency (IF) range : 1-2 GHz · Receiver noise temperature: below 500 K (direct ... The SIR chip is a superconducting integrated circuit comprising a quantum-noise-limited SIS mixer and a tunable Josephson local oscillator (LO). ...

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 . ...

Status of the RadioAstron project development . The engineering model of the Space Radio Telescope (SRT) was assembled in Lavochkin Association (LA) in the configuration consisting of 10-m parabolic radio astronomical antenna made of carbon-fiber, F ocal and Device cabins of the scientific payload and on-board and ground complex of high data rate up-down radio link (VIRK). ... Then,radio astronomical tests were conducted using real radio sources. ... Space Radio Telescope . ... Data Processing . ...

... ALMA . ... ARC Staff at ESO . ... The European ALMA Regional Centre (ARC) provides the interface between the ALMA project and the European science community. ... Below you can read the latest Announcements from the European ARC Network.. ... The call for 1-mm Very Long Baseline Interferometry (VLBI) proposals to use phased ALMA at Band 6 in Cycle 4, in collaboration with the Event Horizon Telescope Consortium (EHTC), will be released to coincide with the ALMA Cycle 4 Call for Proposals in March 2016...

From: STSCIC::IN% DOXSEY@avion.stsci.edu 23- FEB - 1998 14:45:33.69 To: IN% OPM@stsci.edu CC: Subj: FYI, NICMOS recovered Return-path: DOXSEY@avion.stsci.edu Received : from stsci.edu ( tnm.stsci.edu ) by avion.stsci.edu (PMDF V5.0-7 #11544) id 01ITX8IE1ZAOBE02EW@avion.stsci.edu ; Mon , 23 Feb 1998 14:45:02 - 0500 ( EST ) Received : by stsci.edu (SMI-8.6/SMI-SVR4-DNI-8.0) id OAA11112; ...

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 . ...

... Driver ID: WWV_HEATH . ... This driver supports the Heath GC-1000 Most Accurate Clock, with RS232C Output Accessory. This is a WWV/WWVH receiver somewhat less robust than other supported receivers. ... Since the indicated precision is 100 ms, expect a host synchronized only to this thing to wander to and fro, occasionally being rudely stepped when the offset exceeds the default CLOCK_MAX of 128 ms. The internal DIPswitches should be set to operate at 1200 baud in MANUAL mode and the current year. ...

... The Lunar Orbiter 2 spacecraft was designed primarily to photograph smooth areas of the lunar surface for selection and verification of safe landing sites for the Surveyor and Apollo missions. ... The spacecraft acquired photographic data from November 18 to 25, 1966, and readout occurred through December 7, 1966. ... The two separate lens, shutter, and platen systems utilized the same film supply and recorded imagery simultaneously in adjacent areas on 70-millimeter film. ...

... Steven L. Smith . NASA International Space Station Program Liaison to the European Space Agency . ... SPECIAL HONORS: NASA Distinguished Service Medals (two), NASA Outstanding Leadership Medal, NASA Space Flight Medal, NASA Exceptional Service Medal, IBM Outstanding Technical Achievement Award and IBM Outstanding Community Service Award. ... NASA EXPERIENCE: Smith is a veteran of four space flights covering 16 million miles and seven space walks totaling 49 hours and 25 minutes. ... DECEMBER 2013 ...

... Credit Copyright: NASA , ESA , Mark Showalter ( SETI Institute ) Explanation: Pluto's newly discovered moons now have names. ... The small moons were discovered in 2011 and 2012 by the Hubble Space Telescope in preparation for the close passing of the New Horizons spacecraft by Pluto in 2015. ... Publications with keywords: Pluto - Pluto moons . Publications with words: Pluto - Pluto moons . ... Fifth Moon Discovered Orbiting Pluto . Pluto s P4 . ... Eris: More Massive than Pluto . ...

SETI@home consists of a receiving Arecibo antenna, a professional team (PT), and a two-way Internet connection between the PT and an army of S@h users, who load from the S@h server special software for digital signal processing. ... Thereby, METI@home will consist of several originators, which may load via Internet from a M@h server special software for the creation of analog and digital messages. ... Professional Group SETI@home . ... Professional Group METI@home . ... Main Internet Server . ...

GRANAT is the Russian x-ray sattelite launched to the high apogee orbit (200,000 km) and operated almost for 10 years (1989 -1999) , carrying out four major instruments: French SIGMA coded-mask hard x-ray telescope (30-1000 keV), Soviet ART-P coded-mask telescope (2??-60?? keV), all-sky monitor WATCH (6-150 keV), and a gamma-burst detector PHEBUS . ... Since September 1994, GRANAT is in the survey mode. ... Explore pages devoted to individual GRANAT instruments (including main scientific results): . ...

Towards celestial sources above 1 THz with a heterodyne receiver based on a hot-electron bolometer mixer Sergey Ryabchun, Ivan Tretyakov, Matvey Finkel, Natalia Kaurova, Boris Voronov and Gregory Gol'tsman HOT-ELECTRON BOLOMETER (HEB) MIXER Scient ific and Educatio nal Radiophysics Center Mo scow State Pedago gical University Mo scow, Russia FIRST GROUND-BASED OBSERVATION WITH HEB MIXERS BEYOND 1 THz Submillimeter Telescope ...