Thanks for the info. Both great films. Liked Steve McQueen. Sadly missed. The Cincinnati Kid was one of his best. I know all this is off topic, but what the heck..
Rob -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Brooke Clarke Sent: 14 January 2007 20:13 To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] International time meridian Hi Rob: One of the things I like to do is look for correlation between movies I like. For example Bill Hickman was the stunt driver for both The French Connection and Bullitt (Dodge Charger 440 Magnum). http://us.imdb.com/name/nm0382707/ Have Fun, Brooke Clarke w/Java http://www.PRC68.com w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml http://www.precisionclock.com Rob Kimberley wrote: >Bill, > >The Bureau International des Poids et Mesures (BIPM) >http://www.bipm.org are the International coordinators of time, as well >as other the standards of length, mass, so you were right with your >French Connection (good film by the way!!). The Greenwich Meridian (0 >degrees longitude) runs through the middle of the Greenwich Observatory >in London. Great place to visit if you ever get over to the UK. > >Check out the link given for more info, and www.npl.co.uk/time has >useful links also. > >Best > >Rob Kimberley > >-----Original Message----- >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On >Behalf Of Bill Hawkins >Sent: 14 January 2007 19:04 >To: 'Discussion of precise time and frequency measurement' >Subject: [time-nuts] International time meridian > >A non-hardware/software query: > >Some time ago, I got it into my head that GMT was obsolete and that the >time meridian went through Paris, not Greenwich. >I answered a query in the Glowbugs list that way, and then used Google >to check up on that. Unlike others in lists, I feel bad about >propagating misinformation. But not bad enough to look it up first. > >Wikipedia is not helpful about the status of GMT. As I understood it, >the prime meridian was defined in 1884, and GMT with it. Then atomic >time replaced the telescope that determined GMT in 1972. >The agreement was reached in Paris, no? Paris has the physical >standards of meter and kilogram, so why not atomic time. > >Wikipedia says the prime meridian is still also the time meridian. >Paris is about 9 minutes ahead of London, and nobody made a nine minute >step change in social time. The wiki also says that GMT is still in use. > >1/1/1977 was set as the base for average atomic time, according to the >wiki, after relativistic effects were compensated. So TAI marches >monotonically forward, while UTC subtracts leap seconds to maintain >social time. Yes, there are people who want to stop this irritating >leap second business until well after they are dead, but they have no >"exit strategy" to deal with a much bigger jump in social time at a later date. > >In any event, social time is only occasionally (about annually) >adjusted by stellar observations, so technically the basis for GMT no longer exists. >Right? > >Did see a 1999 article that said Paris was going to plant a boulevard >of trees along the Paris meridian that could be seen from outer space. >Dunno if they did it. > >Also, satellites operate from a prime meridian that is offset by 102.5 >meters to the east, because Earth based telescopes are aligned to the >center of gravity with a plumb bob. Satellites need to be aligned with >the physical center of the Earth, for some reason. > >See http://en.wikipedia.org/wiki/Prime_Meridian > >and http://en.wikipedia.org/wiki/International_Atomic_Time > >Regards, >Bill Hawkins > > >_______________________________________________ >time-nuts mailing list >time-nuts@febo.com >https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > > >_______________________________________________ >time-nuts mailing list >time-nuts@febo.com >https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > > _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts