Network Time Protocol – Using a GPS NTP Server

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• Installing a Dedicated GPS NTP Server A GPS NTP server is quite possibly the most accurate and efficient method of receiving a timing source to synchronise a computer network to. A GPS NTP server can receive a timing signal from literally anywhere in the world using relatively low cost components. They are also incredibly easy to install. The only difficulties ever encountered in installing a GPS NTP server is that they require an antenna with a good view of the sky, this is because the signals are broadcast by the satellites by line-of-sight so a clear view of the sky is a necessity (although some people have had ...
  
  
• Use of GPS for Computer Timing Applications The Global Positioning System (GPS) is now a familiar tool in helping motorists to navigate but GPS has more uses than merely triangulating a position for direction finding, it can be utilized to provide time and frequency information worldwide. Developed by the United States military, GPS incorporates at least 24 communication satellites in high orbit, all of which contain precise timing equipment to enable the satellite to triangulate positions with accuracy. However, each satellite’s highly accurate atomic clock timing reference can also be used by NTP (Network Time Protocol) servers to synchronise computer networks using the highly accurate GPS time signal as ...
  
  
• Why a GPS Time Server Just as your computer is only as good as the software it is running (and in most cases the operator too), a time server is only as useful as the timing source it uses. Accuracy is of course the fundamental feature in time servers and Network Time Protocol (NTP) has been designed to ensure the highest accuracy possible is always obtainable. Unfortunately many administrators opt to use an Internet timing source to run their time server with. Unfortunately several studies of Internet timing references discovered that nearly two thirds were inaccurate by over several seconds (almost an eternity in the world of ...
  
  
• Benefits of a GPS Time Server The American GPS system is currently revolutionising the way we navigate. Once a secretive Cold War military weapon it now adorns the dashboards of one in three cars. But GPS is much more than a handy navigational tool. The constellation of 24 satellites each contain some of the world’s most accurate chronometers in the shape of atomic clocks. These provide such accuracy in timing that a million years could pass and not even a second would have been gained or lost These clocks are what enable us to pinpoint our location on Earth as a GPS receiver can workout how long the ...
  
  
• GPS Time Server the Synchronisation Choice Time servers, in reality, come in two flavours: the radio referenced time server and the GPS time server. Both are equally as good at receiving, distributing and synchronising to UTC (coordinated universal time). However, while a radio signal is limited in range and vulnerable to interference the GPS signal, transmitted from one of the 33 NAVSTAR satellites in orbit, is available literally anywhere on the globe. For this reason the GPS time signal is now the time reference of choice for network administrators needing a source of UTC time. The only prerequisite for a GPS time server is that that GPS antenna ...