Jack Twilley ) writes:
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"Roy" =3D=3D Roy Lewallen writes:

Roy The noise was lower late at night when more gadgets were off,
Roy which I'm sure is why the automatic clocks you can get now do
Roy their synchronizing late at night.

I thought the reason they sync'ed at night was because of propagation.

Interesting.

Jack.

I thought the reason WWVB was so low down in the spectrum was so propagation
was fairly constant.

Michael VE2BVW