[time-nuts] ADEV vs MDEV - using sound card

[Lux, Jim (337C)]

On 2/6/10 6:02 PM, "Bruce Griffiths" <bruce.griffiths at xtra.co.nz> wrote:

JPL resorted to using  a commercial synthesiser set for an offset of
123Hz (to minimise spurs and other artifacts) in their 100MHz N channel
mixer system.

And that was chosen after a lot of experimentation to find the "sweet spot". Obviously, there's no special frequency, so you want to choose the one at which your gear works best.