[LEAPSECS] pick your own length of second

[Tom Van Baak]

Here's a plot that shows how a non leap second UTC would
look if the cesium resonance were other than 9,192,631,770.

http://www.leapsecond.com/pages/ut/ut-ani-v2.gif

In retrospect it's too bad |DUT1| had to be so tight. If Essen
and friends had made it 10 s we wouldn't need leap seconds
in a lifetime.

/tvb