[time-nuts] From GPS World - Lightsquared has been given the goahead

[J. Forster]

Most GPS users care about position, not time.

-John

===============


> Chris wrote:
>
>>A notch filter can also be constructed to notch out the jammer if it
>>is out of band.  A "twin T" design might be  effective and low cost
>
> Unfortunately, unless the interfering carrier is much too far away to
> be a problem in the first place, the phase shift of the notch filter
> (and particularly its changes with temperature) will appear
> essentially as a variable-length coax on your antenna -- not what you
> want for precision timing applications.
>
> Best regards,
>
> Charles
>
>
>
>
>
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