Re: LF: Decode EbNaut and thrash a PC

[Warren Ziegler <wd2xgj@gmail.com>]

Andy, Paul,

     How does the HP Z3816A rate for short term stability compared to
caesium/rubidium based GPSDOs?

Thanks
Warren



On Thu, Dec 3, 2015 at 9:39 AM, Paul Nicholson <vlf0403@abelian.org> wrote:
>
> Edgar wrote:
>
>> why is a GPSDO better than using just a Rubidium
>> Oscillator for EbNaut?
>
> If you have a rubidium oscillator, then use it.  But if
> buying, then I'd suggest a GPSDO because they're often
> cheaper, you don't have to worry about calibration, and
> it also gives you a PPS for your soundcard and the UT for
> your PC.
>
> VO1NA 2015-12-02/03 8K19A 1S 25C QRO
>
>  start  Eb/N0  BER    rank
>
>  21:00   11.5   4.6%  0
>  21:30   14.9   0.6%  0
>  22:00    2.5  27.4%  0
>  22:30   10.8   5.8%  0
>  23:00   15.4   0.4%  0
>  23:30   13.2   2.0%  0
>  00:00   12.1   3.5%  0
>  00:30   14.2   1.0%  0
>  01:00   13.1   2.1%  0
>  01:30   14.4   0.9%  0
>  02:00   14.3   1.0%  0
>  02:30    4.5  22.5%  0
>  03:00   15.6   0.3%  0
>  03:30   12.8   2.5%  0
>  04:00   12.4   3.1%  0
>  04:30    6.3  17.7%  0
>  05:00   13.7   1.5%  0
>  05:30    5.5  19.9%  0
>  06:30   11.4   4.8%  0
>  07:00    9.2   9.7%  0
>  07:30   10.9   5.8%  0
>  08:00    8.1  12.6%  0
>
> Only one missing, 06:00
> --
> Paul Nicholson
> --
>



-- 
73 Warren K2ORS
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