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National Research Council Time Signal
The ''National Research Council Time Signal'' is Canada's longest running radio program. Heard every day since November 5, 1939, shortly before 13:00 Eastern Time across the CBC Radio One network, it lasts between 15 and 60 seconds, ending exactly at 13:00. During standard time, the signal is at 13:00 Eastern Standard Time and during Daylight Saving Time, the signal is at 13:00 Eastern Daylight Saving Time. The signal is also heard on some stations of the Ici Radio-Canada Première network at 12:00 ET daily, particularly in Ontario, Quebec and the Maritime provinces. The signal consists of a series of 300 ms "pips" of an 800 Hz sine wave tone, each one starting at the top of each UTC second, up to ten seconds before the hour, followed by silence, and then a one-second-long 800 Hz tone to mark the top of the hour. The CBC time signal is typically delayed by about 300 ms with respect to the CHU time signal, because each CBC radio station receives the actual time ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
In Front Of National Research Council Canada Laboratories
IN, In or in may refer to: Places * India (country code IN) * Indiana, United States (postal code IN) * Ingolstadt, Germany (license plate code IN) * In, Russia, a town in the Jewish Autonomous Oblast Businesses and organizations * Independent Network, a UK-based political association * Indiana Northeastern Railroad (Association of American Railroads reporting mark) * Indian Navy, a part of the India military * Infantry, the branch of a military force that fights on foot * IN Groupe , the producer of French official documents * MAT Macedonian Airlines (IATA designator IN) * Nam Air (IATA designator IN) Science and technology * .in, the internet top-level domain of India * Inch (in), a unit of length * Indium, symbol In, a chemical element * Intelligent Network, a telecommunication network standard * Intra-nasal (insufflation), a method of administrating some medications and vaccines * Integrase, a retroviral enzyme Other uses * ''In'' (album), by the Outsiders, 1967 * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Simon Durivage
Simon Durivage (born December 10, 1944 in Montreal, Quebec) is a Canadian French language television news anchor for '' RDI en direct''. He was recruited by Radio-Canada in 1969 and has since hosted several newscasts and public affairs programs: ''Consommateurs avertis'', ''Enjeux'', ''Le Point'', ''Montréal-Express'', ''Montréal ce soir'' and ''Rédacteur en chef''. Having spent part of his career at network TVA, he anchored the 10 p.m. newscast of this network for several years. In 2002, he left TVA for Radio-Canada, allowing Sophie Thibault to take his place. From 2004 to 2006, he hosted ''simondurivage.com''. Since 2006, he hosts ''RDI en direct'' on Quebec-based 24-hour news-channel RDI, where he also hosts ''Le club des ex'', a forum where former politicians comment news items. On June 19, 2015, Simon Durivage announced that he was leaving Radio-Canada. His voice is heard on the telephone by dialling +1 613 745 9426 and the CHU shortwave radio time service of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Time Signals
Time is the continued sequence of existence and events that occurs in an apparently irreversible succession from the past, through the present, into the future. It is a component quantity of various measurements used to sequence events, to compare the duration of events or the intervals between them, and to quantify rates of change of quantities in material reality or in the conscious experience. Time is often referred to as a fourth dimension, along with three spatial dimensions. Time has long been an important subject of study in religion, philosophy, and science, but defining it in a manner applicable to all fields without circularity has consistently eluded scholars. Nevertheless, diverse fields such as business, industry, sports, the sciences, and the performing arts all incorporate some notion of time into their respective measuring systems. 108 pages. Time in physics is operationally defined as "what a clock reads". The physical nature of time is addr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Research Council (Canada)
The National Research Council Canada (NRC; french: Conseil national de recherches Canada) is the primary national agency of the Government of Canada dedicated to science and technology research & development. It is the largest federal research & development organization in Canada. The Minister of Innovation, Science, and Economic Development (currently, François-Philippe Champagne) is responsible for the NRC. Mandate NRC is an agency of the Government of Canada, and its mandate is set out in the '' National Research Council Act''. Under the Act, the NRC is responsible for: * Undertaking, assisting or promoting scientific and industrial research in fields of importance to Canada; * Providing vital scientific and technological services to the research and industrial communities; * Investigating standards and methods of measurement; * Working on the standardization and certification of scientific and technical apparatus, instruments and materials used or usable by Canadian in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CHU (radio Station)
CHU is the call sign of a shortwave time signal radio station operated by the Institute for National Measurement Standards of the National Research Council. CHU's signal is used for continuous dissemination of official Canadian government time signals, derived from atomic clocks. History Radio time signals allowed accurate and rapid distribution of time signals beyond the range of the telegraph or visual signals. This was of particular value in surveying remote areas, where time signals allowed accurate determination of longitude. In the summer of 1914, a survey party at Quinze Dam in the Ottawa River watershed attempted to receive time signals transmitted from Kingston; however, signals were not resolvable and the time signal from NAA in Arlington, Virginia was used instead.Malcolm M. Thomson, ''The Beginning of the Long Dash: A History of Timekeeping in Canada'', University of Toronto Press, 1978, ,1 Chapter 6 The station was started in 1923 by the Dominion Observatory ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
BBC Radio
BBC Radio is an operational business division and service of the British Broadcasting Corporation (which has operated in the United Kingdom under the terms of a royal charter since 1927). The service provides national radio stations covering the majority of musical genres, as well as local radio stations covering local news, affairs and interests. It also oversees online audio content. Of the national radio stations, BBC Radio 1, 2, 3, 4 and 5 Live are all available through analogue radio ( AM or FM (with BBC Radio 4 LW on longwave) as well as on DAB Digital Radio and BBC Sounds. The Asian Network broadcasts on DAB and selected AM frequencies in the English Midlands. BBC Radio 1Xtra, 4 Extra, 5 Sports Extra, 6 Music and the World Service broadcast only on DAB and BBC Sounds, while Radio 1 Dance and Relax streams are available only online. All of the BBC's national radio stations broadcast from bases in London and Manchester, usually in or near to Broadcasting H ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Greenwich Time Signal
The Greenwich Time Signal (GTS), popularly known as the pips, is a series of six short tones (or "pips") broadcast at one-second intervals by many BBC Radio stations. The pips were introduced in 1924 and have been generated by the BBC since 1990 to mark the precise start of each hour. Their utility in calibration is diminishing as digital broadcasting entails time lags. Structure There are six pips (short beeps) in total, which occur on each of the 5 seconds leading up to the hour and on the hour itself. Each pip is a 1 k Hz tone (about a fifth of a semitone above musical B5) the first five of which last a tenth of a second each, while the final pip lasts half a second. The actual moment when the hour changes – the "on-time marker" – is at the very beginning of the last pip. When a leap second occurs (exactly one second before midnight UTC), it is indicated by a seventh pip. In this case the first pip occurs at 23:59:55 (as usual) and there is a sixth short pip a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Denial-of-service Attack
In computing, a denial-of-service attack (DoS attack) is a cyber-attack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to a network. Denial of service is typically accomplished by flooding the targeted machine or resource with superfluous requests in an attempt to overload systems and prevent some or all legitimate requests from being fulfilled. In a distributed denial-of-service attack (DDoS attack), the incoming traffic flooding the victim originates from many different sources. More sophisticated strategies are required to mitigate this type of attack, as simply attempting to block a single source is insufficient because there are multiple sources. A DoS or DDoS attack is analogous to a group of people crowding the entry door of a shop, making it hard for legitimate customers to enter, thus disrupting trade. Criminal perpetrators of DoS attacks ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Network Time Protocol
The Network Time Protocol (NTP) is a networking protocol for clock synchronization between computer systems over packet-switched, variable- latency data networks. In operation since before 1985, NTP is one of the oldest Internet protocols in current use. NTP was designed by David L. Mills of the University of Delaware. NTP is intended to synchronize all participating computers to within a few milliseconds of Coordinated Universal Time (UTC). It uses the intersection algorithm, a modified version of Marzullo's algorithm, to select accurate time servers and is designed to mitigate the effects of variable network latency. NTP can usually maintain time to within tens of milliseconds over the public Internet, and can achieve better than one millisecond accuracy in local area networks under ideal conditions. Asymmetric routes and network congestion can cause errors of 100 ms or more. The protocol is usually described in terms of a client–server model, but can as easil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
YouTube
YouTube is a global online video sharing and social media platform headquartered in San Bruno, California. It was launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim. It is owned by Google, and is the second most visited website, after Google Search. YouTube has more than 2.5 billion monthly users who collectively watch more than one billion hours of videos each day. , videos were being uploaded at a rate of more than 500 hours of content per minute. In October 2006, YouTube was bought by Google for $1.65 billion. Google's ownership of YouTube expanded the site's business model, expanding from generating revenue from advertisements alone, to offering paid content such as movies and exclusive content produced by YouTube. It also offers YouTube Premium, a paid subscription option for watching content without ads. YouTube also approved creators to participate in Google's AdSense program, which seeks to generate more revenue for both parties ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Time Zone
A time zone is an area which observes a uniform standard time for legal, commercial and social purposes. Time zones tend to follow the boundaries between countries and their subdivisions instead of strictly following longitude, because it is convenient for areas in frequent communication to keep the same time. All time zones are defined as offsets from Coordinated Universal Time (UTC), ranging from UTC−12:00 to UTC+14:00. The offsets are usually a whole number of hours, but a few zones are offset by an additional 30 or 45 minutes, such as in India, South Australia and Nepal. Some areas of higher latitude use daylight saving time for about half of the year, typically by adding one hour to local time during spring and summer. List of UTC offsets In the table below, the locations that use daylight saving time (DST) are listed in their UTC offset when DST is ''not'' in effect. When DST is in effect, approximately during spring and summer, their UTC offset is inc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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