Clock stability will depend on a lot of things, including temperature
and the quality of the clock circuitry. Over the years, the clocks in my
Thinkpads have tended to be pretty stable. The $20 Casio on my wrist has
drifted about 30 seconds in the two years I've worn it.
Since first using JT65 6-8 years ago, I've used
http://www.timesynctool.com/ with the same result. I found it far
easier to install than Meinberg (which I tried to install to be able to
incorporate data from a USB GPS puck when expeditioning out of range of
internet). Instead, I settled on BktTimeSync for that purpose.
73, Jim K9YC
On 10/19/2019 12:57 PM, David Gilbert wrote:
My laptop, which I use for FT8, fires up about 2.5 seconds off. That's
unusable for FT8, which is why I use Meinberg NTP to sync it. I
couldn't care less if it was 2 minutes off for logging (even for
contesting), but for FT8 it should be, as you say, 0.5 seconds or better
for best results. Meinberg (which is free) puts me within one or two
tenths of a second of everyone else.
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