[time-nuts] Thunderbolt & Lady Heather 48 hour precision survey

Robert Darlington rdarlington at gmail.com
Fri Nov 26 06:41:09 UTC 2010


For the last year I've been wondering why my thunderbolt doesn't perform as
well as I thought it should.  Now I know why (at least I think I know why).
I keep it in a styrofoam beer cooler surrounded with bottled water in a
draft free area and it's been all over the map.   I tried doing a 48 hour
survey through Lady Heather and it ended a few hours ago and there is now a
huge improvement in PPS stability -no more +/- 40ns excursions.  I'll be
keeping an eye on it for a bit but I think the survey helped significantly.
I'm almost sure I did a survey when I first got it but maybe I somehow
skipped over that.  Anyway, hope this helps somebody.

-Bob
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