On Tue, 28 May 2019 at 11:03, Attila Kinali <[email protected]> wrote:
> On Tue, 28 May 2019 03:06:12 +0100 > "Dr. David Kirkby" <[email protected]> wrote: > > > I notice a lot of 1 kg weights on eBay, so perhaps the same will happen > > with Cs clocks! > > This is rather unlikely. For one, Cs beam standards have a very limited > life span. For an other I am pretty sure that the surge of kg weight > standards on ebay is due to their manufacturing becoming cheap rather > than the kg definition changing. Most of these standards are M1 or M2 > anyways (or in other words, they are accurate to 50ppm or 160ppm > respectively [1]), which is way more than the slight change in the > definition of the kg. I assume that you missed the fact that I was joking about the 1 kg weights on eBay. > > > Attila Kinali Dave, G8WRB -- Dr David Kirkby Ph.D C.Eng MIET Kirkby Microwave Ltd Registered office: Stokes Hall Lodge, Burnham Rd, Althorne, CHELMSFORD, Essex, CM3 6DT, United Kingdom. Registered in England and Wales as company number 08914892 https://www.kirkbymicrowave.co.uk/ Tel 01621-680100 / +44 1621-680100 _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
