[time-nuts] measuring my GPSDO : length of TimeLab run?
chris at elfpen.com
Mon Feb 4 06:39:39 EST 2013
I took my recently acquired cesium clock to the hamfest
in Jackson, MS a couple of weeks ago in the hope that I could
cash in big and retire in splendor. But no one bought it.
So, instead I spent some of my hamfest earnings on a GPIB/USB
dongle and I've been using TimeLab and looking at the
VE2ZAZ GPSDO that got me into all of this in the first place.
The numbers I get are very gratifying. The GPSDO seems to work
better than I expected. This is really cool.
But I have a question.
The GPSDO is set up to do a potential correction every hour.
It seems to me that a TimeLab run of less than X hours will
only be measuring the fine properties of the oscillator
and not the whole system. The question is, how many
hours of data collection are needed to capture a
characterization of the GPSDO as a whole?
What do people to with Thunderbolts and other similar systems?
After I get done playing around with this cesium standard
I still think I would like to sell it. I would like
to get enough out of it to buy an Elecraft K2 with some
of the options. I don't really know if that is realistic.
If anyone has comments on that plan, would also love
to hear them.
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