[time-nuts] Disciplining dual oscillators using a 3-corner hat
bruce.griffiths at xtra.co.nz
Sat Apr 5 01:03:36 EDT 2008
Brooke Clarke wrote:
> Hi Richard:
> I neat idea.
> I would think there are three key measurements:
> TI1 = GPS-A
> TI2 = GPS-B
> TI3 = A-B
> Of these A-B is the most precise and the other two with GPS involved are much
> lower stability. In your proposed method only the poor time intervals are
> being measured.
> So I would think the approach would be make all three measurements at the same
> time then in a perfect world you could solve three equations in three unknowns.
> But I suspect that the errors will not exactly balance. So you could split
> the closing error in two and assign half to A and half to B.
> Have Fun,
> Brooke Clarke
The 3 equations aren't independent so you cannot solve them for the 3
However, in principle you can solve them for the statistical
instabilities of the 3 sources provided that the 3 sources are
More information about the time-nuts