1ea906c41SOllivier Robert<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2ea906c41SOllivier Robert 3ea906c41SOllivier Robert<html> 4ea906c41SOllivier Robert 5ea906c41SOllivier Robert <head> 6ea906c41SOllivier Robert <meta name="GENERATOR" content="Adobe PageMill 3.0 per Windows"> 7ea906c41SOllivier Robert <meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> 8ea906c41SOllivier Robert <title>PTB Modem Time Service</title> 9ea906c41SOllivier Robert <link href="scripts/style.css" type="text/css" rel="stylesheet"> 10ea906c41SOllivier Robert </head> 11ea906c41SOllivier Robert 12ea906c41SOllivier Robert <body> 13ea906c41SOllivier Robert <h3>European Automated Computer Time Services</h3> 14*2b15cb3dSCy Schubert<p>Last update: 15*2b15cb3dSCy Schubert <!-- #BeginDate format:En2m -->21-Oct-2010 23:44<!-- #EndDate --> 16*2b15cb3dSCy Schubert UTC</p> 17ea906c41SOllivier Robert <hr> 18ea906c41SOllivier Robert <p>Several European countries use the following message data format:</p> 19ea906c41SOllivier Robert <p><font size="-1" face="Courier New">Data format<br> 20ea906c41SOllivier Robert 0000000000111111111122222222223333333333444444444455555555556666666666777777777 7<br> 21ea906c41SOllivier Robert 0123456789012345678901234567890123456789012345678901234567890123456789012345678 9<br> 22ea906c41SOllivier Robert 1995-01-23 20:58:51 MEZ 10402303260219950123195849740+40000500 *<br> 23ea906c41SOllivier Robert A B C D EF G H IJ K L M N O P Q R S T U V W XY Z<CR><LF><br> 24ea906c41SOllivier Robert A year<br> 25ea906c41SOllivier Robert B month<br> 26ea906c41SOllivier Robert C day<br> 27ea906c41SOllivier Robert D hour<br> 28ea906c41SOllivier Robert E : normally<br> 29ea906c41SOllivier Robert A for DST to ST switch first hour<br> 30ea906c41SOllivier Robert B for DST to ST switch second hour if not marked in H<br> 31ea906c41SOllivier Robert F minute<br> 32ea906c41SOllivier Robert G second<br> 33ea906c41SOllivier Robert H timezone<br> 34ea906c41SOllivier Robert I day of week<br> 35ea906c41SOllivier Robert J week of year<br> 36ea906c41SOllivier Robert K day of year<br> 37ea906c41SOllivier Robert L month for next ST/DST changes<br> 38ea906c41SOllivier Robert M day<br> 39ea906c41SOllivier Robert N hour<br> 40ea906c41SOllivier Robert O UTC year<br> 41ea906c41SOllivier Robert P UTC month<br> 42ea906c41SOllivier Robert Q UTC day<br> 43ea906c41SOllivier Robert R UTC hour<br> 44ea906c41SOllivier Robert S UTC minute<br> 45ea906c41SOllivier Robert T modified julian day (MJD)<br> 46ea906c41SOllivier Robert U DUT1<br> 47ea906c41SOllivier Robert V direction and month if leap second<br> 48ea906c41SOllivier Robert W signal delay (assumed/measured)<br> 49ea906c41SOllivier Robert X sequence number for additional text line in Y<br> 50ea906c41SOllivier Robert Y additional text<br> 51ea906c41SOllivier Robert Z on time marker (* - assumed delay / # measured delay)<br> 52ea906c41SOllivier Robert <CR>!<LF> ! is second change !<br> 53ea906c41SOllivier Robert </font></p> 54ea906c41SOllivier Robert <p>This format is an ITU-R Recommendation (ITU-R TF583.4) and is now available from the primary timing centres of the following countries: Austria, Belgium, Germany, Italy, The Netherlands, Poland, Portugal, Romania, Spain, Sweden, Switzerland, Turkey and United Kingdom. Some examples are:</p> 55ea906c41SOllivier Robert <ul> 56ea906c41SOllivier Robert <li>In Germany by Physikalisch-Technische Bundesanstalt (PTB)'s timecode service. Phone number: +49 5 31 51 20 38. 57ea906c41SOllivier Robert <p>For more detail, see <a href="http://www.ptb.de/english/org/4/43/433/disse.html">http://www.ptb.de/english/org/4/43/433/disse.htm</a></p> 58ea906c41SOllivier Robert <li>In the UK by National Physical Laboratory (NPL)'s TRUETIME service. Phone number: 0891 516 333 59ea906c41SOllivier Robert <p>For more detail, see <a href="http://www.npl.co.uk/npl/ctm/truetime.html">http://www.npl.co.uk/npl/ctm/truetime.html</a></p> 60ea906c41SOllivier Robert <li>In Italy by Istituto Elettrotecnico Nazionale "Galileo Ferrais" (IEN)'s CTD service. Phone number: 166 11 46 15 61ea906c41SOllivier Robert <p>For more detail, see <a href="http://www.ien.it/tf/time/Pagina42.html">http://www.ien.it/tf/time/Pagina42.html</a></p> 62ea906c41SOllivier Robert <li>In Switzerland by Swiss Federal Office of Metrology's timecode service. Phone number: 031 323 32 25 63ea906c41SOllivier Robert <p>For more detail, see <a href="http://www.metas.ch/en/labors/official-time/modem/index.html">http://www.ofmet.admin.ch/de/labors/4/Zeitvert.html </a></p> 64ea906c41SOllivier Robert <li>In Sweden by SP Swedish National Testing and Research Institute 's timecode service. Phone number: +46 33 415783. 65ea906c41SOllivier Robert <p>For more detail, see <a href="http://www.sp.se/metrology/timefreq/eng/tandf.htm">http://www.sp.se/metrology/timefreq/eng/tandf.htm</a></p> 66ea906c41SOllivier Robert </ul> 67ea906c41SOllivier Robert <dl></dl> 68ea906c41SOllivier Robert <h4>Additional Information</h4> 69ea906c41SOllivier Robert <p><a href="../refclock.html">Reference Clock Drivers</a></p> 70ea906c41SOllivier Robert <hr> 71ea906c41SOllivier Robert <script type="text/javascript" language="javascript" src="scripts/footer.txt"></script> 72ea906c41SOllivier Robert </body> 73ea906c41SOllivier Robert 74ea906c41SOllivier Robert</html> 75