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How To Configure a Windows Based Network Time Server - 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. What My Satellite GPS Can Do That Your Road Atlas Can't - Television is not the only "cool" thing using satellites these days. For anyone who likes to travel or wander, the GPS satellite navigation systems that have been on the market for a few years are handy on-the-road companions. Network Time Synchronisation: The Importance of an Accurate Time Server - 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 period of time, there can be large differences between the system times of each computer on the network. Unsynchronised computer time can lead to many problems. This article discusses the importance of network time synchronisation and of having an accurate network time server resource in an organisation. Computer Time Computer system time is maintained by low-cost real-time clock and crystal oscillator components. Crystal oscillators are manufactured with relatively low tolerance; each one oscillates at a slightly different rate. Additionally, crystals change frequency slightly with temperature variance. GPS Devices and Your Job - Commuters braving rush hour know all too well how traffic jams can quickly tack on extra drive time. In an instant, a long string of red brake lights raises frustration levels that can pile extra stress onto an already hectic week. NTP Server Installation - 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 discusses the advantages and disadvantages of various reference clock options. NTP servers are generally supplied as 1U high rack mountable network devices. They obtain an accurate time from an external time reference, such as GPS or radio, and provide an accurate timing resource for a computer network. NTP or Network Time Protocol is a protocol designed for distributing time to client computers over an IP network. How to use the GPS Clock - 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 satellite has an on-board atomic clock, which is ideal for providing a highly accurate timing reference. This article discusses how the GPS clock can be used to provide an accurate timing reference for computers and computer networks. The GPS system is often used for computer timing applications, such as NTP time servers and accurate timing references. GPS Time GPS time is continuously broadcast by the GPS system. Time is referenced to UTC (Universal Coordinated Time), which is the same worldwide and does not vary with time zones. GPS timing information can be received with relatively low-cost equipment, such as a GPS receiver and antenna. The GPS signal is very weak low-power radio signal. How to Use Authentication When Synchronising to a NTP Server - 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 authenticate a time reference when synchronising network time clients to a NTP server. NTP Server Authentication NTP is used to provide an accurate time reference for time critical processes. Setting up a Windows Time Server - 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 introduces how to set up the Windows 2000 and Windows 2003 operating systems to operate as a NTP time server. The article describes how to modify registry entries to configure the Windows Time Service. Before modifying any registry entries it is a good idea to backup the registry. GPS Device Equals the Perfect Road Trip - One summer a friend told me to get lost - so I did. I piled a few friends into my car and drove aimlessly until horses outnumbered people and gas stations became as frequent as views of the Loch Ness monster. As we watched the gas meter sink dangerously below empty, we realized we were hopelessly lost - and in trouble. Road trips make the perfect occasion to get out and see the country; places you've never been before, learn a few things and maybe visit an old friend or two. GPS devices make the perfect traveling companions on a road trip - nothing's worse than getting lost without gas, food or lodgings anywhere in sight. How To Decode The MSF-60 Radio Time Signal - 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 Time Server and computer systems to provide an accurate timing reference. The MSF-60 Time Transmitter The MSF-60 time signal is a long-wave radio time signal broadcast from Rugby, Warwickshire, England. Worlds First GPS Tracking System is Nearly Two Thousand Years Old - GPS tracking from (global positioning satellites) is becoming almost standard equipment on cars today. The penchant to "know" may be what is driving the consumer more than the fear of getting lost. What is GPS Navigation - Global Positioning System (GPS) is a widely known system that uses satellite signals to trace the location and position of vehicles on earth. Formerly developed by the US Department of Defense, today it is a common feature in mobile devices and cars, which include a GPS navigation system to receive data that maps blocks of a city. How To Maintain Accurate Time On Your PC - 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 describes various methods of maintaining a highly accurate time on your PC. It describes how to utilise Internet time references, radio and GPS clocks and dedicated NTP server systems. Internet Time References The Internet utilises the Network Time Protocol to distribute accurate time information to network time clients. NTP has been an important part of the Internet for over 25 years. The protocol was born through the need to provide synchronisation of time critical processes across the Internet. Configuring Windows as a NTP Server - 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 describes how to configure the Windows 2000 and Windows 2003 time service as a NTP server. It shows how to manipulate registry entries to configure the Windows Time Service. Synchronised Digital Clock Systems - 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 utilised to achieve synchronised digital clock time displays throughout an organisation. Radio-Controlled Digital Clock Many digital clocks are available with radio receivers that synchronise to radio time broadcasts that are freely available in many areas. Time and frequency broadcasts such as the DCF-77 broadcast from Germany, the MSF-60 broadcast from the UK and the WWVB broadcast from the US. These time and frequency broadcasts provide an accurate timing reference for digital clocks to synchronise. How to Configure a Linux NTP Server - 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 NTP Server. NTP server systems fall into two categories: primary reference servers and secondary reference servers. NTP Server Systems - The Network Time Protocol - 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 discusses how NTP server systems utilise the Network Time Protocol to provide networks with an accurate reference of time. NTP Overview NTP has been in use as an Internet protocol for over 25 years. It is the longest running continuously operating Internet protocol. The protocol was born through the need to provide synchronisation of time critical processes across the Internet. NTP primarily runs on LINUX and UNIX platforms including Free-BSD but has also been, in part, ported to Windows operating systems. Dedicated NTP server systems generally utilise the LINUX operating system. A Pink Cellular Phone is the IN! - Believe it or not, pink is currently the color that is considered trendiest. The fact of the matter is that wedding gowns that are being made today are colored pink! This is good news for lovers of pink. There are now pink cellular phone units. The following are the hottest and hippest pink cellular phones in town today. The Motorola V3m RAZR Pink Cellular Phone This pink cellular phone from Motorola is currently the classic all time cellular phone. The RAZR V3m Motorola is integrated with a VGA camera, a Bluetooth, video MPEG4 playback as well as a slim design. Learn How to Choose Ring tones for Cool Cell Phones - Cell phone mania was not merely created because of the cell phones itself. Since new cell phone models provide amazing features to their users, such as cool ring tones to cool cell phones, these dainty gadgets are now considered must-have items. With that in mind, marketing experts say that while communication is considered as the top reason why people would like to own a cell phone, this eventually becomes the second best factor. At most, people desire to own a cell phone because of their cool features. Take for example the utilization of cool ring tones. Ring tones were not conceptualized for functionality alone but more on the entertainment aspect. They were made to attract consumers. The Way They Were In the beginning, ring tones were primarily made available as monophonic sound files. As technology develops, the need for more realistic ring tones is gradually taking its place. Atomic Clock Systems - 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 systems utilise a radio or GPS time signal that is linked to an accurate time reference.

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