[time-nuts] ? phase comparison or other device

[Dr Bruce Griffiths]

WB6BNQ wrote:
> Bruce,
>
> Can you provide a link to the JPL system you reference above ?
>
> Thank you,
>
> Bill....WB6BNQ
>
>   
Bill

http://ntrs.nasa.gov/index.jsp?method=order&oaiID=19910016462 
<http://ntrs.nasa.gov/index.jsp?method=order&oaiID=19910016462>

There is also, or was, a free to download source for this paper 
somewhere, which I cant recall.

Bruce