"unruh" <[email protected]> wrote in message
news:[email protected]...
[]
No, I was talking about the width of the edge transition. Neither the
accuracy of that transition, nor the width of the pulse. the former one
cannot know unless one has another gps whose accuracy one knows, and the
latter is irrelevant to timekeeping. However the post I was replying to
almost certainly was talking about the width of the pulse, not the width
of the transition. Note that the gamin has a pulse width that is quite a
bit less than 1usec. What its accuracy is I do not know.
Please be more careful in your terminology. The width of the Garmin GPS
18(x) LVC pulse is nominally 100 milliseconds, not "bit less than 1usec".
You will be confusing people who haven't worked with this kit. You almost
had me believing that the Oncore had a pulse with of 1 microsecond (which
sounded wrong, but....).
The Garmin 18x is specified: "1 microsecond accuracy [under normal
conditions]"
Cheers,
David
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