Re: [time-nuts] time sync by moonbounce

2020-06-08 Thread Jean-Louis Rault
Many thanks Wannes for the warning Jean-Louis Le 06/06/2020 à 00:43, Wannes Sels a écrit : I bought a used copy of Uplink-Downlink on Ebay. Unfortunately the quality is downright bad. Printed on what looks like bright white copy paper with a laser printer. All the images and illustrations

[time-nuts] Fwd: Re: Are minutes more important in astronomy than seconds and hours ?

2019-11-23 Thread Jean-Louis Rault
irrelevant for human use. Reading the time as so many minutes past whichever hour is very natural and informative. On Sat, 23 Nov 2019 09:29:09 +0100, Jean-Louis Rault wrote: Hi all A friend of mine offered me a secondary electric clock that was in use at Observatoire Royal de Belgique

Re: [time-nuts] Are minutes more important in astronomy than seconds and hours ?

2019-11-23 Thread Jean-Louis Rault
Hi Iain There are different institutions on the observatory site in Uccle near Brussels (the planetarium is somewhere else) See https://www.astro.oma.be/en/. I have regularly some meetings with peoples of the Belgium Institute for Space Aeronomy there, so i'm going to ask them if there is

[time-nuts] Are minutes more important in astronomy than seconds and hours ?

2019-11-23 Thread Jean-Louis Rault
Hi all A friend of mine offered me a secondary electric clock that was in use at Observatoire Royal de Belgique, in Brussels, at the end of the 19th century. The manufacturer is Peyer Favarger & Co, Neuchatel, Switzerland. I'm wondering why the largest hand is used for minutes, and the

Re: [time-nuts] Bombe clock

2019-05-22 Thread Jean-Louis Rault
What is the purpose of the full RGB lighting under the tubes ? Is it for any cosmo-quantic synchronization of the free electrons spins used as time reference ? Or to justify the price ? Jean-Louis F6AGR Le 22/05/2019 à 18:22, Alberto di Bene a écrit : On 2019-05-22 2:03, Scott McGrath

Re: [time-nuts] Portable Time Standard

2019-01-12 Thread Jean-Louis Rault
Hi Joe My Casio Lineage 5161 sun-powered radio-controlled wristwatch seems to be in accordance with all our requirements (free advertisement) 73 de Jean-Louis F6AGR Le 11/01/2019 à 20:57, Joe Hobart a écrit : I need a relatively lightweight, self powered, portable clock accurate to 1