http://www.a1articles.com en-us editorial@a1articles.com The GPS system is a global navigation and positioning system. It is most commonly known for providing navigation systems for cars and marine vehicles. However, the GPS system also has a less well-known feature - precision time. Each GPS satellite orbiting... http://www.a1articles.com/article_542438_45.html 20th May 2008 A time server is a computer server that obtains precise timing information from an external hardware clock and provides this information to clients across a computer network. A time server may be located on a local network, or intranet, or may be located ... http://www.a1articles.com/article_536747_45.html 14th May 2008 The Network Time Protocol (NTP) was developed more than 25 years ago to synchronise Internet servers to the correct time. NTP is now one of the oldest protocols still in operation today. The protocol is widely used to synchronise Internet and intranet inf... http://www.a1articles.com/article_534180_45.html 08th May 2008 Many networks in organisations suffer from a lack of time synchronisation between servers, workstations and other network components. This can lead to problems processing time critical information and transactions. However, a solution has been available f... http://www.a1articles.com/article_510996_45.html 07th April 2008 GPS is a US military system that provides highly precise time and positioning information anywhere around the globe. The system consists of 24 Earth orbiting satellites each constants broadcasting accurate time and positioning information to Earth. The br... http://www.a1articles.com/article_464785_45.html 31st January 2008 Computer servers and workstations have integrated real-time clocks that are based on simple, cheap, crystal oscillators. The real-time clock is battery backed and maintains system time even when the computer is switched off. However, crystal oscillators c... http://www.a1articles.com/article_456657_45.html 22nd January 2008 PC's maintain system time with relatively inexpensive crystals and real time clock chips. The low-cost and specification of the timing devices utilised means PC's can often keep very poor time. However, there are a number of hardware and software solution... http://www.a1articles.com/article_240809_45.html 07th November 2007 The Windows 2000 Server operating system includes a time synchronisation service called w32time or ‘Windows Time’. The service is installed by default and runs continuously in the service list. The time service is required by the Kerberos authenticati... http://www.a1articles.com/article_235036_45.html 01st November 2007 The Windows Time service (W32Time) is designed to allow all Windows 2000 or later machines in an organisation to utilise a synchronised time. The service is used to ensure the security of the Windows Kerberos authentication protocol. This article describe... http://www.a1articles.com/article_215194_45.html 20th September 2007 The Network Time Protocol (NTP) was developed to provide a way of synchronising Internet clients to an accurate network time reference. NTP allows the time on client computers to be set to within a fraction of the correct time. The NTP protocol is a suite... http://www.a1articles.com/article_210056_45.html 02nd September 2007 The Network Time Protocol (NTP) was developed over 25 years ago as a means of distributing accurate time across the Internet. It is one of the oldest Internet protocols still in use today. NTP is a client-server based protocol for the distribution of accu... http://www.a1articles.com/article_200644_45.html 13th August 2007 The MSF radio time broadcast is a long-wave radio transmission of highly accurate time. The signal can be received throughout the whole of the UK and much of North Western Europe. With the additional of a low-cost radio receiver computers and computer net... http://www.a1articles.com/article_197012_45.html 03rd August 2007 The GPS system is a US military system to provide worldwide positioning information for navigational purposes. The system is maintained for the military by USNO, the United States Naval Observatory. The system is implemented by 24 orbiting satellites, eac... http://www.a1articles.com/article_190308_45.html 24th July 2007 NTP is a suite of algorithms and specifications developed as an Internet protocol to ensure accurate synchronisation of client computers. Network Time Protocol specifies an agreed message structure to pass time from an accurate reference to a time client.... http://www.a1articles.com/article_188073_45.html 23rd July 2007 Atomic clocks are utilised to provide a highly precise timing reference. Many types of clock use the generic term 'atomic'. Most atomic clocks are very expensive systems generally only found in National Physics Laboratories. Most commercial precise timing... http://www.a1articles.com/article_185184_45.html 11th July 2007 Computers maintain time and date information using internal real-time clock chips. These chips are battery-backed and maintain time even when the power to the computer is switched off. However, the components utilised are relatively low-cost devices and h... http://www.a1articles.com/article_181604_45.html 01st July 2007 NTP, or Network Time Protocol, was originally developed for ensuring the synchronisation of client machines across the Internet. NTP is one of the oldest Internet protocols still widely used today. The protocol is still widely used to ensure time synchron... http://www.a1articles.com/article_179093_45.html 29th June 2007 Network Time Protocol (NTP) is a standard protocol for synchronising the time of client computers on the Internet and computer networks. The protocol operates in a hierarchical manner, each level or stratum serving the next level in the hierarchy. At the ... http://www.a1articles.com/article_177747_45.html 26th June 2007 Network Time Protocol (NTP) is a standard Internet protocol for the dissemination of time around a computer network. The protocol operates in a hierarchical manner, each level or stratum serving the next level in the hierarchy. At the top of the hierarchi... http://www.a1articles.com/article_163699_45.html 23rd May 2007 Most computer systems have integrated Real Time Clocks (RTC) used to maintain time and date information. Invariably, real time clocks are battery backed so that time and date information can be maintained even when the PC is powered down. The PC clock pro... http://www.a1articles.com/article_160807_45.html 17th May 2007 NTP is a standard Internet protocol for distributing accurate time to network time clients. There are a large number of public NTP time servers available on the Internet. However, it may often be the case, for security purposes, that an organisation may r... http://www.a1articles.com/article_158542_45.html 11th May 2007 The Network Time Protocol (NTP) was developed to distribute time around a computer network to network time clients. It is one of the oldest Internet protocols still in operation. Simple Network Time Protocol (SNTP) was developed as a simplified version of... http://www.a1articles.com/article_154985_45.html 03rd May 2007 Network Time Protocol is utilised by NTP server systems to distribute accurate time around a computer network. NTP is an Internet protocol solely used for the dissemination of time. By utilising a GPS or radio external reference clock, you can build a hig... http://www.a1articles.com/article_154554_45.html 02nd May 2007 NTP or Network Time Protocol is an Internet protocol used to disseminate time across a computer network. It is widely used to synchronize time critical applications to an accurate reference time source. This article describes the Network Time Protocol ... http://www.a1articles.com/article_146328_45.html 10th April 2007 Many time critical computer network systems, such as NTP servers, utilise the GPS system as a precise timing reference. This article describes how the Global Positioning System can be used to provide a precise timing reference and provides an overview ... http://www.a1articles.com/article_144852_22.html 07th April 2007 Network Time Protocol (NTP) is a standard protocol for the transfer of time across the Internet and computer networks. The NTP protocol source code is ?open source' and can be freely downloaded from the NTP web site. The NTP primary development platform i... http://www.a1articles.com/article_144387_45.html 04th April 2007 The GPS system is a satellite navigation system operated by the United States military. The system is also available for civilian use without any subscription requirement. The GPS system is primarily intended as a highly accurate global positioning system... http://www.a1articles.com/article_140969_45.html 27th March 2007 NTP or Network Time Protocol to give it its full name is an internet protocol designed to distribute precise time around a network. NTP is a UDP based protocol used to synchronize system time on network infrastructure, such as servers, workstations and ne... http://www.a1articles.com/article_139081_45.html 26th March 2007 Time is an abstract concept that we generally take for granted. Time passes in years, months, days, hours, minutes and seconds without much thought. However, humans have developed extremely complex ways of measuring time and maintaining accurate time refe... http://www.a1articles.com/article_136660_22.html 09th March 2007 In modern computer networks, computer time synchronization is of critical importance. Many transaction-processing operations require accurate synchronisation of client and server in order to maintain a coherent processing order. The latest versions of ... http://www.a1articles.com/article_135719_45.html 07th March 2007 Each PC has an integral real-time clock that maintains internal system time. PC clocks have low-cost crystal oscillators that are notoriously prone to drift. With time each computer in an organisation drifts at different rates. After a relatively short pe... http://www.a1articles.com/article_134523_45.html 05th March 2007 NTP or Network Time Protocol servers are network devices that are designed to distribute accurate time to network time clients and other network infrastructure. This article describes how to configure and install NTP server systems on a network and discus... http://www.a1articles.com/article_134167_45.html 02nd March 2007 The Global positioning System (GPS) is a US military system primarily intended for global navigation. The system provides highly accurate positioning information for navigation. The GPS system consists of a constellation of 24 orbiting satellites. Each sa... http://www.a1articles.com/article_133487_45.html 01st March 2007 Network Time Protocol (NTP) is used to advertise time to network time clients on an IP network. NTP is a UDP based protocol that is used to synchronise system time on network devices. This article describes how to utilise NTP authentication to authenticat... http://www.a1articles.com/article_132965_45.html 28th February 2007 The latest Windows operating systems from Microsoft have a time synchronization service installed by default called �Windows Time'. The time service allows a Windows network to provide time synchronization of all machines within a domain. This article i... http://www.a1articles.com/article_131804_45.html 22nd February 2007 The MSF-60 atomic clock synchronised radio time transmission is utilised by many NTP Time Server and PC computer systems to provide accurate synchronisation of time critical applications. This article describes how the MSF-60 time signal is decoded by NTP... http://www.a1articles.com/article_130290_45.html 19th February 2007 PC's have internal real time clocks designed to maintain system time. The internal clocks rely on relatively low-cost crystal oscillators, which are notoriously inaccurate. In many cases PC system time can drift by several minutes each day. This article d... http://www.a1articles.com/article_128141_45.html 10th February 2007 The Windows operating systems from Windows 2000 onwards has an in-built time synchronisation service � �Windows Time'. The Windows Time service facilitates a Windows network to provide synchronisation of all machines within a domain. This article desc... http://www.a1articles.com/article_127110_45.html 07th February 2007 Synchronised digital clocks allow a number of individual time clock displays to show identical accurate time. Individual stand-alone digital clocks each drift at different rates eventually all display differing times. This article discusses the methods ut... http://www.a1articles.com/article_126765_45.html 06th February 2007 Network Time Protocol (NTP) provides algorithms and defines messages for the synchronisation of time clients to an accurate time reference. This article discusses how to configure a Linux NTP Time Server to synchronise time with an Internet based public N... http://www.a1articles.com/article_126042_45.html 02nd February 2007 The Network Time Protocol (NTP) is utilised by NTP Server systems to distribute accurate time information to network time clients. The NTP protocol is widely used throughout the Internet to provide synchronisation of computers and processes. This article ... http://www.a1articles.com/article_124957_45.html 31st January 2007 An atomic clock provides an extremely accurate source of time. There are various types of atomic clock, mostly found in laboratories: Caesium Clocks; Hydrogen Clocks; and Rubidium Clocks. Most commercially available atomic clock time synchronisation syste... http://www.a1articles.com/article_123989_45.html 27th January 2007 The DCF-77 radio time transmission is utilised by many NTP server and PC computer systems to provide accurate synchronisation of time critical applications. This article describes how the DCF-77 time signal is decoded by NTP server and computer systems to... http://www.a1articles.com/article_121843_45.html 20th January 2007 The Global positioning System (GPS) is often used by computer equipment, such as NTP Server systems, to provide an accurate timing reference for time critical applications. This article provides an overview of GPS for timing applications and describes the... http://www.a1articles.com/article_121051_45.html 17th January 2007