[time-nuts] 10811 foam enclosure
richard at karlquist.com
Mon Jan 10 01:49:56 UTC 2011
> a) Aging Rate spec <5e-10, easy to find ones that are 100 times better
That is news to me, having looked at 100's of 10811's.
> b) Temp TC for small changes, easy to find/Made them 100 times better with
> outer oven
I'm surprised, but haven't detailed knowledge. The outer
oven was supposed to be good for 10X
> d) Allan at 1 sec, 5e-12, Not so easy, but you can find them >10 times
Agreed. The measurement system for Allan wasn't all that great
itself, so we never really knew how good they might get, but
5e-13 certainly was achieved by some units.
Rick Karlquist N6RK
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