... sin f = y / r . cos f = x / r . ... They are now viewed as new definitions of the sine and cosine, for the polar angle f given by x and y ( a slightly different way of formulating this definition is described further below ). ... sin 2 f + cos 2 f = 1 . ... Angle . ... Many trigonometry texts define the sine and cosine slightly differently, using the so-called unit circle . ... Then the distance AB ("the sine line") equals sin a , and the distance OA ("the cosine line") equals cos a . ...

... IAA VLBI Analysis Center . ... First IAA SLR EOP submission to IERS Annual Report . ... Beginning of operational processing of SLR observations . ... We use several program packages for analysis mostly developed at the IAA: GROSS for processing of the SLR observations and analysis of EOP and coordinates time series, OCCAM/GROSS for computation of EOP, station coordinates, and troposphere parameters time series from the VLBI observations, GRAPE for processing of GPS observations. ...

. [ Back to Products ] Imaging GRIN Rod Lens . Imaging GRIN Rod Lens Specifications . NA = 0.6 . Type . Diameter, mm . Quarter- Pitch Length . (P/4), * mm . HAG 040 . 0.4 . 1.0 . HAG 060 . 0.6 . 1.5 . HAG 080 . 0.8 . 2.0 . HAG 100 . 1.0 . 2.0 . HAG 150 . 1.5 . 3.0 . *Optional are lenses with achromatic length ( P/4 + d ) . [ Back to Products ]

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Lessons learned from the Thirty Meter Telescope site testing Tony Travouillon Sebastian Els, Angel Otarola, Reed Riddle, Matthias Schoeck, Warren Skidmore TMT.XXX.PRE.05.0XX.DRF01 1 Introduction TMT and its Site testing. Important choice before going on site. ... Considerations during analysis of the data. TMT.XXX.PRE.05.0XX.DRF01 2 Some Background about the TMT Site Testing TMT is a 30m, segmented, RitcheyChretien telescope design. ... ASCA Cloud Cover Analysis So how do we do it in practice? ...

... The default value is pointing to the parent directory. ... Link to parent directory $BBC_MAINSITE = ""; => Show no link $BBC_SHOW_CONFIG BBClone defaults to revealing the stats' settings. ... BBC_LANGUAGE = "en"; $BBC_MAXTIME This variable defines the length of an unique visit in seconds. ... BBC_NO_HITS = ""; => Show hits in time stats $BBC_NO_HITS = 1; => Show unique visits in time stats $BBC_IGNORE_IP This option can be used to exclude particular IP addresses or address ranges from counting. ...

... MIDAS Command Language (1.5 lesson - its text , control tasks ) . ... Help and debugging in MIDAS (0.5 lesson - its text , control tasks ) . ... Table system of MIDAS (1.5 lesson - its text , control tasks ) . ... Approximation in MIDAS (1.5 lesson - its text , control tasks ) . ... Data structures in MIDAS (1 lesson - its text , control tasks ) . ... Input/output formats of MIDAS (0.5 lesson - its text , control tasks ) . ... Fortran/C programming in MIDAS (1.5 lesson - its text , control tasks ) ....

... PUL VLBI Analysis Center . ... Pulkovo EOP and Reference Systems Analysis Center (PERSAC) is located at the Pulkovo Observatory . ... Processing of VLBI , GPS, and optical observations aimed at analysis of the Earth rotation, station displacement, and celestial reference system. ... Celestial Pole Offset (CPO) and Free Core Nutation (FCN) . Four daily updated CPO and FCN series (models) are provided. ... File fcn1.dat contains the ZM1 FCN model with variable amplitude and phase. ...

. Composition | Objectives | Capabilities and samples | Request for work | Back to main page . If you have any questions, please contact us: rp@iszf.irk.ru . http://esceir.iszf.irk.ru/lchmen/skhema4en.htm . Last modification: 2.06.01.

Astronomy Picture of the Day . The Very Large Array of Radio Telescopes . ... 28.05.2002 . ... Credit: VLA , NRAO Explanation: The most photogenic array of radio telescopes in the world has also been one of the most productive. Each of the 27 radio telescopes in the Very Large Array (VLA) is the size of a house and can be moved on train tracks. ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: VLA - radiotelescope . ... Arecibo: The Largest Telescope . ...

... ISC Kosmotras . Top Management Founder of ISC Kosmotras - Dr. Vladimir A. Andreev News . ... Dnepr launch record 17 August 2011. Cluster Launch of Dnepr LV 22 August 2013 KOMPSAT-5 Launch 21 November 2013. Dnepr Cluster Mission 2013 19 June 2014. ... According to the decision of ISC Kosmotras Board of Directors, Dr. Vladimir A. Andreev, Director General of ISC Kosmotras, has been appointed to a newly established position of ISC Kosmotras President. ... E-mail: info@kosmotras.ru . ...

... 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 : . ...

ATMoB Network Acceptable Use Policy Created 6/1/2005 The Amateur Telescope Makers of Boston, Incorporated provides this network terminals for its members. ... Users must respect the privacy of others. ... The Services may not be used in a manner that precludes or significantly hampers network access by others. ... Where the network or devices are being used to access another network, any abuse of the acceptable use policy of that network will be regarded as unacceptable use of our network. ...

XMLDSIG Working Group Grigorij Chudov, CRYPTO-PRO Internet Draft Serguei Leontiev, CRYPTO-PRO Expires October 7, 2004 April 7, 2004 Intended Category: Informational Using algorithms GOST R 34.10-2001, GOST R 34.10-94 and GOST R 34.11-94 for XML Digital Signatures <draft-chudov-cryptopro-cpxmldsig-00.txt> Status of this Memo This document is an Internet-Draft and is subject to all provisions of Section 10 of RFC2026. ... This document introduces GOST R 34.10-94/2001 signatures as additional methods. ...

ACCESS TO INFORMATION The Armagh Planetarium is a transparent and open organization and we publish a great deal of information about what we do on this website which you can access by using the search facility clearly marked on our home page. ... FREEDOM OF INFORMATION ACT 2000 Publication Scheme In order to comply with the Freedom of Information Act 2000 organizations such as ours in receipt of public funds have to routinely publish information which we hold whenever possible. ...

University Satellites and . Space Science Education . ... The project of the scientific - educational small satellite for research of Earth upper atmosphere density . ... At the end of 80th years in Kuybishev aviation institute (nowadays the Samara State Aerospace University) has been developed the project of small spherical satellite " PION ", intended as for a calibration of ground resources of tracing behind space objects, and for refinement of density of upper atmosphere of the Earth. ...

. Figure 3. Dark dimmings and bright post-eruption arcades in solar sources of the severest FDs over the solar cycle 23 in SOHO/EIT 195 е fixed-base difference images. The FD magnitude of the strongest disturbances and the dates and time of their registration are specified in the upper right corner of each panel. The dates and time of EIT images subjected to the subtraction are specified at the bottom of each panel.

TOPSIDE AUTOMATED SOUNDER TOPAS/W . ... Table 6 TOPAS/W Subassembly Power Details . ... The TOPside Automated Sounder for the Ukrainian WARNING mission (TOPAS/W) will probe plasma densities from the altitude of the spacecraft at 600 km down to the peak of the F2-layer using only 30 W peak transmitter power. ... Upon power-up of the TOPAS/W, the TOPAS/W will load a bootstrap program from on-board EPROM, then load the operating software and the measurement and schedule tables from on-board EEPROM. ...

... Super Nova Information . ... Site . ... AGREEMENT BETWEEN USER AND rochesterastronomy . ... USE OF COMMUNICATION SERVICES . ... Unless otherwise specified herein, this agreement constitutes the entire agreement between the user and rochesterastronomy with respect to the rochesterastronomy Web Site and it supersedes all prior or contemporaneous communications and proposals, whether electronic, oral or written, between the user and rochesterastronomy with respect to the rochesterastronomy Web Site. ...

Russian Space Science Internet (RSSI) is a successful result of RSSI Project. ... space oriented organizations; . ... RSSI offers for its members : . ... videoconferences via MBONE Internet protocol (there are 2 tunnels available now through the general IP network: one to NASA Internet, and another to Moscow State University); . ... It is designed so that all organizations connected to the RSSI gain access to the resources of Russian computer networks as well as world wide Internet. ... nic@rssi.ru ...