Magnus Danielson wrote:
> Hej Bruce,
>
>
>>> As the PLL filters the noise of the OCXO and passes noise from the input
>>> side and the noise have several different components to it from either
>>> source.
>>>
>>> You can't really extrapolate direction the results of an asynchronous
>>> reciev
Hej Bruce,
>> As the PLL filters the noise of the OCXO and passes noise from the input
>> side and the noise have several different components to it from either
>> source.
>>
>> You can't really extrapolate direction the results of an asynchronous
>> reciever such as the M12+T to that of a sync
Hej Magnus
Magnus Danielson wrote:
> Bruce,
>
>
>>> Yes, but the bump comes from the increase gain around the resonance and
>>> spoils the OCXO/GPS cross-over. The simplified noise-bandwidth measure
>>> does not really comply here since they usually build on a simplified
>>> model of noise t
Bruce,
>> Yes, but the bump comes from the increase gain around the resonance and
>> spoils the OCXO/GPS cross-over. The simplified noise-bandwidth measure
>> does not really comply here since they usually build on a simplified
>> model of noise type (white noise - gaussian). A simple check in
Dick,
> Sorry, Magnus, I didn't mean to put words in your mouth.
No worries, I just did not want it to be raised to "truth".
> I was remembering last Fall, when you suggested that people look at your
> ADEV plot and to be mindful of the of the bounding slopes of the
> curves. If I've mis-rem
Mark Sims wrote:
> The good Lady Heather's GPS Disciplined Oscillator Controller Program
> calculates and plots (also writes the results to the log file) ADEV and
> OADEV of the Thunderbolt's reported error estimates. My comparison of these
> "auto-ADEVs" to the values generated from a Tek DC5
Richard Moore wrote:
> On Jan 9, 2009, at 12:10 AM, time-nuts-requ...@febo.com wrote:
>
>
>> Message: 4
>> Date: Fri, 09 Jan 2009 19:18:57 +1300
>> From: Bruce Griffiths
>> Subject: Re: [time-nuts] GPSDO TC & Damping
>>
>
>
>>>
On Jan 9, 2009, at 2:24 AM, time-nuts-requ...@febo.com wrote:
> Message: 2
> Date: Fri, 09 Jan 2009 10:27:05 +0100
> From: Magnus Danielson
> Subject: Re: [time-nuts] GPSDO TC & Damping
>
> Dick,
>
>> Well, like many here, I don't actually have the equipment,
On Jan 9, 2009, at 12:10 AM, time-nuts-requ...@febo.com wrote:
> Message: 4
> Date: Fri, 09 Jan 2009 19:18:57 +1300
> From: Bruce Griffiths
> Subject: Re: [time-nuts] GPSDO TC & Damping
>> Well, like many here, I don't actually have the equipment, especially
>>
2009/1/9 David C. Partridge :
> >But you might show up early or late for dinner, which could have dire
> consequences.
>
> I don't think my wife would notice if I arrived a few hundred pico-seconds
> earlier or later!!!
Wow! Your a lucky one!
--
Steve Rooke - ZL3TUV & G8KVD & JAKDTTNW
Omnium fin
>But you might show up early or late for dinner, which could have dire
consequences.
I don't think my wife would notice if I arrived a few hundred pico-seconds
earlier or later!!!
Dave
___
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe,
Dick,
> Well, like many here, I don't actually have the equipment, especially
> the reference std., to do these MDEV, ADEV and other analyses, so,
> since I use the GPSDO for a frequency standard and not for UTC, I
> thought I'd get the expert opinions. Magnus has several times
> indicated
f setup?
Thanks and 73, Steve
2009/1/9 Bruce Griffiths :
> Richard Moore wrote:
>> On Jan 8, 2009, at 2:46 PM, time-nuts-requ...@febo.com wrote:
>>
>>
>>> Message: 1
>>> Date: Fri, 09 Jan 2009 10:28:35 +1300
>>> From: Bruce Griffiths
>>
Richard Moore wrote:
> On Jan 8, 2009, at 2:46 PM, time-nuts-requ...@febo.com wrote:
>
>
>> Message: 1
>> Date: Fri, 09 Jan 2009 10:28:35 +1300
>> From: Bruce Griffiths
>> Subject: Re: [time-nuts] GPSDO TC
>> To: Discussion of precise time and frequency m
On Jan 8, 2009, at 2:46 PM, time-nuts-requ...@febo.com wrote:
> Message: 1
> Date: Fri, 09 Jan 2009 10:28:35 +1300
> From: Bruce Griffiths
> Subject: Re: [time-nuts] GPSDO TC
> To: Discussion of precise time and frequency measurement
>
>
> Richard Moore wrote:
&g
> -Original Message-
> From: time-nuts-boun...@febo.com
> [mailto:time-nuts-boun...@febo.com] On Behalf Of Magnus Danielson
> Sent: Thursday, January 08, 2009 4:15 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] GPSDO TC
>
&g
Lux, James P skrev:
>> -Original Message-
>> From: time-nuts-boun...@febo.com
>> [mailto:time-nuts-boun...@febo.com] On Behalf Of Poul-Henning Kamp
>> Sent: Thursday, January 08, 2009 3:27 PM
>> To: Discussion of precise time and frequency measurement
>&g
> -Original Message-
> From: time-nuts-boun...@febo.com
> [mailto:time-nuts-boun...@febo.com] On Behalf Of Poul-Henning Kamp
> Sent: Thursday, January 08, 2009 3:27 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] GPSDO TC
>
>> So what is optimum... from control theory we learn, that with an even
>> better model of your system, you can push performance to the edge! But
>> you always loose robustness in doing that.
One thing to remember: control theory is akin to a taxinomy which
has only "elephants" and "non elephan
>> As always, the problem is how do you know that the time constant you are
>> using is anywhere near optimum?
>>
>>
>> Bruce
>
> So what is optimum... from control theory we learn, that with an even
> better model of your system, you can push performance to the edge! But
> you always loose robus
You can cure it by accepting the certificate...
Since I'm not doing ecommerce from febo.com, I'm not willing to pay the
hundred dollar plus per year fee for an "official" SSL certificate, and
use a home-grown one, which is fine for stopping eavesdropping on the
wire. It will give the "self-signed
Hej Magnus
Magnus Danielson wrote:
> Bruce Griffiths skrev:
>
>> Magnus Danielson wrote:
>>
>>> Dick,
>>>
>>> Richard Moore skrev:
>>>
>>>
On Jan 8, 2009, at 2:58 AM, time-nuts-requ...@febo.com wrote:
> Message: 6
> Date: Thu, 08 Jan 2009
Can someone cure this fail message please?
Thanks...
Secure Connection Failed
www.febo.com uses an invalid security certificate.
The certificate is not trusted because it is self signed.
The certificate is only valid for febo.com.
The certificate expired on 11/11/2008 14:57.
(Erro
Björn Gabrielsson wrote:
> On Fri, 2009-01-09 at 11:09 +1300, Bruce Griffiths wrote:
> [...snip...
>
>
>> My point was that measurements are required to establish the optimum for
>> each individual OCXO not just for a given OCXO model.
>>
>> Bruce
>>
>
> Are those measurements possible to d
On Fri, 2009-01-09 at 11:09 +1300, Bruce Griffiths wrote:
[...snip...
> My point was that measurements are required to establish the optimum for
> each individual OCXO not just for a given OCXO model.
>
> Bruce
Are those measurements possible to do in real time with only the GPSDO?
--
Björ
Bruce Griffiths skrev:
> Magnus Danielson wrote:
>> Dick,
>>
>> Richard Moore skrev:
>>
>>> On Jan 8, 2009, at 2:58 AM, time-nuts-requ...@febo.com wrote:
>>>
>>>
Message: 6
Date: Thu, 08 Jan 2009 11:51:50 +0100
From: Magnus Danielson
Subject: Re: [time-nuts] GPSDO time
Björn Gabrielsson wrote:
> On Fri, 2009-01-09 at 10:28 +1300, Bruce Griffiths wrote:
>
>> Richard Moore wrote:
>>
>>> On Jan 8, 2009, at 2:58 AM, time-nuts-requ...@febo.com wrote:
>>>
>>>
>>>
Message: 6
Date: Thu, 08 Jan 2009 11:51:50 +0100
From: Magnus Danielson
>
On Fri, 2009-01-09 at 10:28 +1300, Bruce Griffiths wrote:
> Richard Moore wrote:
> > On Jan 8, 2009, at 2:58 AM, time-nuts-requ...@febo.com wrote:
> >
> >
> >> Message: 6
> >> Date: Thu, 08 Jan 2009 11:51:50 +0100
> >> From: Magnus Danielson
> >> Subject: Re: [time-nuts] GPSDO time constant
>
Magnus Danielson wrote:
> Dick,
>
> Richard Moore skrev:
>
>> On Jan 8, 2009, at 2:58 AM, time-nuts-requ...@febo.com wrote:
>>
>>
>>> Message: 6
>>> Date: Thu, 08 Jan 2009 11:51:50 +0100
>>> From: Magnus Danielson
>>> Subject: Re: [time-nuts] GPSDO time constant
>>> To: Tom Van Baak ,
Richard Moore wrote:
> On Jan 8, 2009, at 2:58 AM, time-nuts-requ...@febo.com wrote:
>
>
>> Message: 6
>> Date: Thu, 08 Jan 2009 11:51:50 +0100
>> From: Magnus Danielson
>> Subject: Re: [time-nuts] GPSDO time constant
>> To: Tom Van Baak , Discussion of precise time and
>> frequency m
Dick,
Richard Moore skrev:
> On Jan 8, 2009, at 2:58 AM, time-nuts-requ...@febo.com wrote:
>
>> Message: 6
>> Date: Thu, 08 Jan 2009 11:51:50 +0100
>> From: Magnus Danielson
>> Subject: Re: [time-nuts] GPSDO time constant
>> To: Tom Van Baak , Discussion of precise time and
>> frequenc
On Jan 8, 2009, at 2:58 AM, time-nuts-requ...@febo.com wrote:
> Message: 6
> Date: Thu, 08 Jan 2009 11:51:50 +0100
> From: Magnus Danielson
> Subject: Re: [time-nuts] GPSDO time constant
> To: Tom Van Baak , Discussion of precise time and
> frequency measurement
> >>>
> For ThunderBo
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