[time-nuts] Rubidium as radio reference
bill at iaxs.net
Sun Nov 4 11:02:20 EST 2012
Can anyone explain the five day delay in Mr. Gray's mail?
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
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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