Pierow's Prattle » NTP http://www.brokenhomeboy.co.uk/pierow/blog Random Ramblings About This or That Sun, 05 Feb 2012 02:40:26 +0000 en hourly 1 http://wordpress.org/?v= Building a Stratum 1 NTP server with GPS Time Reference http://www.brokenhomeboy.co.uk/pierow/blog/2009/03/building-a-stratum-1-ntp-server-with-gps-time-reference/ http://www.brokenhomeboy.co.uk/pierow/blog/2009/03/building-a-stratum-1-ntp-server-with-gps-time-reference/#comments Fri, 13 Mar 2009 13:03:40 +0000 pierow http://www.brokenhomeboy.co.uk/pierow/blog/?p=209 030918RomanClockFace Building a Stratum 1 NTP server with GPS Time Reference

ETH Zürich has a write-up about building an inexpensive embedded Stratum 1 time server using a PC Engines ALIX board and a Garmin GPS 18x OEM (aprx $50) which supports the highly accurate one-pulse-per-second (PPS) output.

]]> http://www.brokenhomeboy.co.uk/pierow/blog/2009/03/building-a-stratum-1-ntp-server-with-gps-time-reference/feed/ 0 Leap Second Tacked Onto 2008 http://www.brokenhomeboy.co.uk/pierow/blog/2008/12/leap-second-tacked-onto-2008/ http://www.brokenhomeboy.co.uk/pierow/blog/2008/12/leap-second-tacked-onto-2008/#comments Mon, 29 Dec 2008 09:27:58 +0000 admin http://www.brokenhomeboy.co.uk/pierow/blog/?p=77 The International Earth Rotation and Reference Systems Service has decided to add an additional second to the clock for 2008 based on its monitoring of the Earth’s rotation.  The additional second will be added at 23:59:59 GMT in order to keep UTC in sync with the position of the sun above the Earth.  This is the 24th second to be added to UTC since 1972, when the practice began.

[Full Article at Reuters UK]

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