[time-nuts] Rubidium as radio reference

Peter Gottlieb nerd at verizon.net
Sun Nov 4 11:08:27 EST 2012


Several of the large carriers have had all manner of issues due to the storm;  
not only network issues but mail servers as well.

Peter


On 11/4/2012 11:02 AM, Bill Hawkins wrote:
> Can anyone explain the five day delay in Mr. Gray's mail?
>
> -----Original Message-----
> From: John Ackermann N8UR
> Sent: Sunday, November 04, 2012 6:23 AM
>
> Joe, the question is whether the DDS spurs and noise on the FE-5680A are
> strong enough to interfere with your measurements.  I suspect that in the
> HF/VHF range, you'd probably be OK, at UHF maybe dicey, at microwave
> probably not good (assuming you're multiplying the Rb up).
>
> I have phase noise measurements of the "narrow DDS" version of the FE-5680A
> along with some other low-cost Rbs at
> http://febo.com/pages/oscillators/rubes/
>
> 73,
> John
>
> On Oct 30, 2012, at 8:28 PM, Joseph Gray <jgray at zianet.com> wrote:
>     ************
>
>> I know that some here are Amateurs and have used external sources to
>> provide a more accurate reference for a receiver. So, I have a noob
>> question or two.
>>
>
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