GPS Time Server – The Synchronisation Choice

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• GPS Time Server – The Synchronisation Choice GPS (Global Positioning System) is now the preferred method of receiving a UTC (Coordinated Universal Time) time source for the purposes of synchronising a computer network. GPS is an American military controlled system that was opened up for the use of civilians following a terrible air disaster in the late 1980’s. GPS receivers used to be astronomically expensive and all but the most wealthy network administrators would use the GPS signal as a source of UTC time. However, due to advances in technology in recent years GPS technology has dramatically dropped in price and the GPS time server is now the globally ...
  
  
• Types of Network Time Server A network time server is just a name given to any device that controls time on a network. This does not necessarily need to be a dedicated server as any workstation, equipped with a time protocol such as NTP (Network Time Protocol). However, for most network administrators, for reasons of security and accuracy, opt to use a dedicated network time server. For the purposes of this article it is these dedicated devices that we will discuss. The types of dedicated network time servers really come down to how the time severe receives its timing source. While it is possible for a ...
  
  
• Radio Referenced NTP Servers Using a long wave time and frequency transmission is perhaps the simplest and most efficient way of receiving an accurate and secure UTC timing reference (coordinated universal time). Dedicated NTP servers are available that receive a time code this way and distribute the timing information to a network. Often these time servers are referred to as radio clocks, although this title is a little misleading. The long wave transmissions are usually broadcast at 60 khz but are not available everywhere. Only certain countries have these broadcasts and most come from their country of origin’s national physics laboratory. In the UK the signal ...
  
  
• The Radio Referenced NTP Server Using a long wave time and frequency transmission is perhaps the simplest and most efficient way of receiving an accurate and secure UTC timing reference (coordinated universal time). Dedicated NTP servers are available that receive a time code this way and distribute the timing information to a network. Often these time servers are referred to as radio clocks, although this title is a little misleading. The long wave transmissions are usually broadcast at 60 khz but are not available everywhere. Only certain countries have these broadcasts and most come from their country of origin’s national physics laboratory. In the UK the signal ...
  
  
• Common NTP Server Time Reference Problems The NTP server (Network Time Protocol) is one of the most used but least understood computer networking hardware items. A NTP Server is just a time server that uses the protocol NTP. Other time protocols do exist but NTP is by far the most widely used. The terms ‘NTP server’, ‘time server’ and ‘network time server’ are interchangeable and often the terms ‘radio clock’ or ‘GPS time server’ are used but these simply describe the method which the time servers receive a time reference. NTP servers receive a time source that they can then distribute amongst a network. NTP will check a ...