embedaddon/ntp/html/drivers/tf582_4.html - view

File: [ELWIX - Embedded LightWeight unIX -] / embedaddon / ntp / html / drivers / tf582_4.html
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Tue May 29 12:08:38 2012 UTC (12 years, 1 month ago) by misho
Branches: ntp, MAIN
CVS tags: v4_2_6p5p0, v4_2_6p5, HEAD

ntp 4.2.6p5

1: <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2: 3: <html> 4: 5: <head> 6: <meta name="GENERATOR" content="Adobe PageMill 3.0 per Windows"> 7: <meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> 8: <title>PTB Modem Time Service</title> 9: <link href="scripts/style.css" type="text/css" rel="stylesheet"> 10: </head> 11: 12: <body> 13: <h3>European Automated Computer Time Services</h3> 14: <hr> 15: Several European countries use the following message data format: 16: Data format 17: 0000000000111111111122222222223333333333444444444455555555556666666666777777777 7 18: 0123456789012345678901234567890123456789012345678901234567890123456789012345678 9 19: 1995-01-23 20:58:51 MEZ 10402303260219950123195849740+40000500 *  20: 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>  21: A year 22: B month 23: C day 24: D hour 25: E : normally 26: A for DST to ST switch first hour 27: B for DST to ST switch second hour if not marked in H 28: F minute 29: G second 30: H timezone 31: I day of week 32: J week of year 33: K day of year 34: L month for next ST/DST changes 35: M day 36: N hour 37: O UTC year 38: P UTC month 39: Q UTC day 40: R UTC hour 41: S UTC minute 42: T modified julian day (MJD)  43: U DUT1 44: V direction and month if leap second 45: W signal delay (assumed/measured)  46: X sequence number for additional text line in Y 47: Y additional text 48: Z on time marker (* - assumed delay / # measured delay)  49: <CR>!<LF> ! is second change !  50:  51: 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: 52: <ul> 53: <li>In Germany by Physikalisch-Technische Bundesanstalt (PTB)'s timecode service. Phone number: +49 5 31 51 20 38. 54: 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> 55: <li>In the UK by National Physical Laboratory (NPL)'s TRUETIME service. Phone number: 0891 516 333 56: 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> 57: <li>In Italy by Istituto Elettrotecnico Nazionale "Galileo Ferrais" (IEN)'s CTD service. Phone number: 166 11 46 15 58: For more detail, see <a href="http://www.ien.it/tf/time/Pagina42.html">http://www.ien.it/tf/time/Pagina42.html</a> 59: <li>In Switzerland by Swiss Federal Office of Metrology's timecode service. Phone number: 031 323 32 25 60: 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> 61: <li>In Sweden by SP Swedish National Testing and Research Institute 's timecode service. Phone number: +46 33 415783. 62: 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> 63: </ul> 64: <dl></dl> 65: <h4>Additional Information</h4> 66: <a href="../refclock.html">Reference Clock Drivers</a> 67: <hr> 68: <script type="text/javascript" language="javascript" src="scripts/footer.txt"></script> 69: </body> 70: 71: </html>