[time-nuts] GPS tick all over the place. Suspect aurora effects

paul swed paulswedb at gmail.com
Thu Jan 26 18:42:45 EST 2012


Sent u the file directly timenuts says to big a file and fair enough

On Thu, Jan 26, 2012 at 6:40 PM, paul swed <paulswedb at gmail.com> wrote:

> Sun of a gun
> I could save it as a bitmap
> Here you go
> Regards
> Paul.
>
>
> On Thu, Jan 26, 2012 at 6:34 PM, paul swed <paulswedb at gmail.com> wrote:
>
>> I can look but I don't think this program will do anything like that.
>>
>>
>> On Thu, Jan 26, 2012 at 6:25 PM, <lists at lazygranch.com> wrote:
>>
>>> Is there something you could record to document this? Odd SNR on a bird?
>>>
>>> -----Original Message-----
>>> From: paul swed <paulswedb at gmail.com>
>>> Sender: time-nuts-bounces at febo.com
>>> Date: Thu, 26 Jan 2012 18:15:27
>>> To: Discussion of precise time and frequency measurement<
>>> time-nuts at febo.com>
>>> Reply-To: Discussion of precise time and frequency measurement
>>>        <time-nuts at febo.com>
>>> Subject: Re: [time-nuts] GPS tick all over the place. Suspect aurora
>>> effects
>>>
>>> Yup just the first time I have seen the pps this crazy
>>> But as we speak its settling down. So it was an effect for about an hour.
>>> Regards
>>> Paul.
>>>
>>> On Thu, Jan 26, 2012 at 5:59 PM, Jim Lux <jimlux at earthlink.net> wrote:
>>>
>>> > On 1/26/12 2:08 PM, paul swed wrote:
>>> >
>>> >> We are talking parts in the -9th but I am using a hp3801 and the
>>> general
>>> >> software that lets you see the 1 sec variation.
>>> >> I had never seen this behavior before and thought the oscillator must
>>> be
>>> >> in
>>> >> trouble. Measured it against a local RB and it was stable.
>>> >> Then it hit me, could this actually be the effects of the aurora?
>>> >> I am thinking it just might be.
>>> >> Regards
>>> >> Paul
>>> >> _
>>> >>
>>> >
>>> > google for "Space Weather Effects on GPS"
>>> >
>>> > there's a presentaton by Thomas Bogdan at the Space Weather Prediction
>>> > Center that gives you some numbers to work with.
>>> >
>>> > 10s of meters effects aren't unusual.
>>> >
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>>
>>
>



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