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  • 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. Some automotive manufacturers offer GPS in select car models however GPS can also be purchased after market and can be operated outside of the car as well. Satellite GPS navigates through signals received from the myriad of satellites orbiting earth and is extremely accurate using the maps that are loaded into its memory. So what does a satellite GPS device offer that a road atlas doesn't? GPS satellite systems provide directions while traveling, generally through voice instructions which allow the person to keep their eyes on the road.
  • 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.
  • 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. That's why real time customized traffic data streaming to your on-board GPS only makes sense. Like having a traffic reporter seated in the car next to you, on-board GPS units offer detailed traffic data and freeway speed information.
  • 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.
  • 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. Therefore, NTP can pose a security risk if malicious users attempt to modify or replicate a timestamp to create a false time on a network device. NTP authentication is intended to overcome security risks by ensuring that any response received from an NTP server has actually come from the intended reference. The client sends a request for time to a NTP server.
  • 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.
  • 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;
  • 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. The radio signal is maintained by BT Radio Engineering Services under contract from the National Physics Laboratory (NPL). From 1st April 2007 the MSF-60 transmission will transfer to Anthorn, Cumbria, using atomic clock and time code equipment provided by VT Communications. When decoded, the MSF-60 time signal provides a highly accurate timing reference for NTP Servers, clocks and other computer timing equipment.
  • 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. Add to that the lack of time in today's fast paced society, who has got time to sit down and read a map? In addition to tracking devices Detroit is equipping autos with gauges and devices that can read such things as the air pressure in the tires or the condition of your motor oil.
  • 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.
  • 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.
  • 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. Before modifying registry entries it is good practice to backup the Windows registry.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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. In this manner a highly accurate source of time is readily available to everyday users, without the expense of installing highly expensive and complex equipment. This article provides an overview of atomic clock systems with particular emphasis on their use with NTP server systems for PC and computer network time synchronisation. Radio Atomic Clock Time References Radio time transmissions such as the MSF-60 (UK), DCF-77 (Germany) and WWVB (US) time signals broadcast highly accurate time information from a radio transmitter.
  • Decoding the DCF-77 Radio Time Signal - 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 provide an accurate timing reference. The DCF-77 Time Transmitter.
  • GPS Device Buying Guide - Weekend warriors everywhere are stomping into local gear shops to cash in on the newest craze - GPS devices. After all, what's better than merging your love of electronics with your love of the great outdoors?
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