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1. Further Information and Bibliography
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. ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/~er/xntp/biblio.html -- 10.0 Кб -- 21.12.2007
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2. Satellites with commercial missions
... 29a. Satellite looking up . ... 29e. Explorers of distant space . Space Index . This groups includes about 200 communication satellites ("comsats") scattered in synchronous orbits above the Earth's equator. ... 6 Earth radii (42,000 km or 26,000 miles), these satellite make one orbit per day, ( sidereal day of 23 h 56 min--see here ) and therefore as the Earth turns, they always stay above the same ground station. ... Next Satellite Class: #29e Missions to Planets and to Distant Space . ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Satell5.htm -- 7.4 Кб -- 03.03.2006
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Satell5.htm -- 7.4 Кб -- 22.12.2007
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3. Research Activities of InformChaos Lab.
Analysis of general features of the chaotic system behavior and investigation of the properties of concrete chaotic sources. ... Analysis of information properties of chaotic systems and chaotic oscillations as concrete objects for information processing and comunications. ... This hypothesis gives a possibility of designing simple mathematical structures accomplishing various processes of information processing using chaos. ... Activities | ... E-mail: chaos@mail.cplire.ru ...
[ Сохраненная копия ]  Ссылки http://www.cplire.ru/html/InformChaosLab/investigations.html -- 5.7 Кб -- 21.03.2007
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4. Winer Observatory Command and Control
Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... 2/3-m Telescope . ... Site . ... Commanding . ... In a typical robotic observing scenario, each afternoon, a telescope control computer obtains a set of objects to observe from its home institution from a command or script file. ... The file is then transferred to the telescope control computer at the Winer Observatory in Sonoita. ... The Iowa control computer then begins processing the telrun.sls file. ... 2013 Winer Observatory. ...
[ Сохраненная копия ]  Ссылки http://www.winer.org/Site/Commanding.php -- 13.6 Кб -- 09.04.2016
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5. rcvr shutters
... the shutters, loads . ... We have shutter/receiver protection to protect the receivers when we transmit with one of our transmitters (sband,430, hf). ... this is also controlled by the 430 ch load/antenna switch. closed always wins . ... shutter - open,close, or query the receiver/radar shutters . ... When the 430 dome is being used, we want to close all shutters, but leave the 430 dome receiver under control of the ch load/antenna switch (above the oscilloscopes in receiver room). ... shutter close...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~phil/hardware/shutters/rcvrshutters.html -- 15.9 Кб -- 27.05.2015
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6. Laser Communications Products
... The tracking system works in micro-step regime with a computer step of correction = 0.003 arcsec per second of time and a maximum speed of correction up to 4.6 arcsec per second of time. ... The APD module was constructed for performing experiments of receiving of 2 Mbps signals from “ARTEMIS” using the Cassegrain focus of 0.7m telescope. ... GaAs PIN photo diode. ... Laser module with thermoelectric stabilisation of laser diode. ... Electronic module for turbulence compensation system . ...
[ Сохраненная копия ]  Ссылки http://www.mao.kiev.ua/staff/kuzkov/products02.html -- 7.2 Кб -- 24.03.2011
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7. ATCA_report
... After a brief leave in Bangalore to work on astronomy (and holiday in Nepal), Dave will be continuing in management positions within the ATNF. ... We have also hosted an observing project visit from a contingent of ATNF and CTIP vacation scholars, who observed h Carina with the new 12-mm system (see article elsewhere in this issue), observed new HIPASS galaxies, and studied interference from microwave ovens. ... Currently we are testing this system with a single antenna. ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/news/newsletter/feb02/ATCA_report.htm -- 7.6 Кб -- 23.01.2013
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8. http://www.mrao.cam.ac.uk/projects/OAS/pmwiki/uploads/MROIDelayLine.DelayLineSoftwareLibraries/Sockethandshake.pdf
MRO Delay Line Socket Initialisation Protocol for Delay Line Computers E. B. Seneta bodie@mrao.cam.ac.uk rev 1.0 13 October 2006 Cavendish Laboratory JJ Thomson Avenue Cambridge CB3 0HE UK Objective To describe the protocol by which network connections are to be made and broken between delay line computers. Scope This document describes how to make and break network connections for the purpose of sending and receiving delay line command, command data, status and telemetry messages. ...
[ Текст ]  Ссылки http://www.mrao.cam.ac.uk/projects/OAS/pmwiki/uploads/MROIDelayLine.DelayLineSoftwareLibraries/Sockethandshake.pdf -- 117.5 Кб -- 12.03.2008
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9. Space Research Institute Network Activity.
... Space Research Institute LAN Workshops and seminars Homepage . Space Research Institute of Russian Academy of Sciences is a leader in networking and communications in Russia through its networking projects and cooperations. ... Space Research Institute Interconnect Network Operation Centre staff monitors and maintains SPACENet. ... Space Research Institute Interconnect Network Operation Centre staff assists European Space Agency (ESA) technical and operation staff in supporting ESAnet connections. ...
[ Сохраненная копия ]  Ссылки http://www.rssi.ru/ikinets.htm -- 7.4 Кб -- 01.10.2012
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10. HwB: EIA-449 (RS-449) Connector (Offline)
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. ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/irlab/doc/library/hwbook/connector/serial/eia449.html -- 14.3 Кб -- 06.07.2001
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11. SMIS IKI RAN (Equipment)
... 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 . ...
[ Сохраненная копия ]  Ссылки http://smis.iki.rssi.ru/inform/engl/scanorr.htm -- 2.9 Кб -- 13.03.1997
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12. Welcom to CONPAS workshop
... Dr. Ravil Nazirov is the head of the workshop, and Andrew Ananjev is the secretary of the workshop. ... The workshop is used to be held in the last decade of the month, preferably on Tuesdays. ... The next session will take place October 29, 1996 . ... There is "CONPAS" mailing list which you can join to discuss issues of problem solving and to be automatically notified of important dates and decisions with respect to the coming sessions. ... Secretary of the Workshop: Andrew Ananjev . ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/CONPAS/Welcome.html -- 3.2 Кб -- 13.10.1997
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13. INTERNATIONAL SPACE STATION
... 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. ...
[ Сохраненная копия ]  Ссылки http://www.energia.ru/eng/iss/researches/geophis-12.html -- 9.7 Кб -- 02.10.2012
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14. The Computer Hardware and Relevant Equipment
... Currently a 50MHz 486DX PCBrand personal computer, located on the fourth floor in the warm room in lab number 443C, is used to control the charge coupled devices (CCDs). ... The PC is connected to a monitor and keyboard in the warm room and another pair in the dome itself. ... An intercom system simplifies communication between the dome and the warm room. ... The second intercom in the dome is used for two way communication between the dome and the warm room. ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/~swolk/thesis/node54.html -- 5.4 Кб -- 01.10.2012
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15. Astronaut Bio: Peter J. K. Wisoff 11/2001
... Peter J.K. "Jeff" Wisoff (Ph.D) . NASA Astronaut (former) . ... A veteran of four space flights, STS-57 in 1993, STS-68 in 1994, STS-81 in 1997 and STS-92 in 2000, Dr. Wisoff has logged a total of 42 days, 56 hours, 1 minute and 48 seconds in space, including , 19 hours and 53 minutes of EVA time in three space walks. ... Following 183 orbits of the Earth in 269 hours and 46 minutes, the eleven-day mission ended with Space Shuttle Endeavour landing at Edwards Air Force Base, California. ...
[ Сохраненная копия ]  Ссылки http://www.jsc.nasa.gov/Bios/htmlbios/wisoff.html -- 9.3 Кб -- 07.07.2015
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16. HwB: Defintion: DTE & DCE
DTE is acronym for Data Terminal Equipment. Examples of DTE is computers, printers & terminals. DCE is acronym for Data Communication Equipment. Examples of DCE is modems. Wiring a cable for DTE to DCE communication is easy. All wires goes straight from pin x to pin x. But wiring a cable for DTE to DTE (nullmodem) or DCE to DCE requires that some wires are crossed. A signal should be wired from pin x to the opposite signal at the other end. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/drabek/Components/NewSprawoch/connect/mi_DefDteDce.html -- 3.0 Кб -- 26.10.1999
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17. http://star.arm.ac.uk/~jgd/outgoing/Armagh_CU/WORD/Internet_Policy.doc
Use of and access to Electronic Mail and the Internet This policy was adopted by the Board of Directors of Armagh Credit Union Limited. ... Personal use of Credit Union's Computers & Email 6. ... Policy Armagh Credit Union's policy regarding computer access to the Internet, electronic mail ("e-mail") and voicemail messages sent or received by the credit union employees, officers and volunteers using the credit union's equipment or systems is set forth below. ...
[ Текст ]  Ссылки http://star.arm.ac.uk/~jgd/outgoing/Armagh_CU/WORD/Internet_Policy.doc -- 68.5 Кб -- 18.12.2015
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18. Agile PCI-SyncClock32 Timer Card
The Agile ICC computer (nimble) contains a high-accuracy GPS-synchronized timer card that emits pulses that trigger readout of the Agile camera when run in external synch mode. ... The recommended configuration for Agile has no GPS receiver (see 1 PPS Vs. The Built-In GPS Receiver below). ... Using external 1 PPS with on a GPS receiver mode is not fully supported, in that the timer card's firmware has been programmed to assume a GPS, but the tech support person claimed it would work. ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/35m_operations/agile/TimerCard.html -- 9.7 Кб -- 09.12.2011
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19. Computers
MOSCOW CENTER . ... We use servers based on the Intel PC architecture with Linux and FreeBSD as operating systems. The computers in the computer room are Toshiba Satellite notebooks that can boot either into Linux (and used as Unix X workstations) or into Windows. Hours of operation Monday 3:00pm--9:30pm Tuesday 3:00pm--9:30pm Wednesday 3:00pm--9:30pm Thursday 3:00pm--9:30pm Friday 3:00pm--9:30pm . If you see any errors on this page, please write us <compwww (at) mccme.ru> ...
[ Сохраненная копия ]  Ссылки http://www.mccme.ru/english/computers/computers.html -- 2.8 Кб -- 04.09.2008
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20. Kermit Troubleshooting
Press the "Reset DSPs" button in kermitui. ... Now try whatever you were doing again and it will probably be better. ... First, make sure the Kermit electronics ("Leach box") are turned on. ... If the LED is on but you're still getting this error message, try turning off the Leach box. ... If this does not fix the problem, let it sit turned off for ten seconds again, turn it on, then press the reset button to the left of the power switch on the Leach box. ... Just type leachd in some xterm. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/~mperrin/kermit/kermit_troubleshooting.html -- 4.9 Кб -- 09.06.2005
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