[time-nuts] New precision watch

iovane at inwind.it iovane at inwind.it
Mon Dec 19 16:51:05 EST 2011


danrae at verizon.net wrote:

>The best crystals for room temperature use are around 4 MHz with 
>temperature inflections around 20C, and this is what was used in an 
>early Braun alarm clock I had which also had this kind of performance.  
>Long gone, alas.

and this is what the clock of my old german car does (4 MHz crystal). Its 
performance always surprised me.

Antonio I8IOV




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