02, 2013 3:57 PM
To: cnc-list@cnc-list.com
Subject: Re: Stus-List More on GPS accuracy & Einstein
And 'then' you try to reduce the number of rubidium atoms used in the 'gas'
since the various isotopes have slightly different native frequency. The best
is to keep one atom
-list.com
Subject: Re: Stus-List More on GPS accuracy & Einstein
And 'then' you try to reduce the number of rubidium atoms used in the 'gas'
since the various isotopes have slightly different native frequency. The best
is to keep one atom in the field of observation, th
the lab, people are working on it to make it
practical. It is at least a 100 times more accurate.
;-)
Leslie.
From: randy
To: cnc-list@cnc-list.com
Sent: Saturday, February 2, 2013 1:03 PM
Subject: Re: Stus-List More on GPS accuracy & Einstein
And
Paal
Sent: Tuesday, January 29, 2013 10:45 AM
To: cnc-list@cnc-list.com
Subject: Re: Stus-List More on GPS accuracy & Einstein
some numbers to put it into perspective
1) clocks at GPS orbital altitudes will tick faster by about 45,900 ns/day
2) clocks moving at GPS orbital speeds will tick s
Wow Leslie: You know your stuff
Dwight Veinot
C&C 35 MKII, Alianna
Head of St. Margaret's Bay, NS
_
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Leslie
Paal
Sent: January 29, 2013 2:45 PM
To: cnc-list@cnc-list.com
Subject: Re: Stus-List More on GPS
Tue, 29 Jan 2013 05:55:03 +
>From: "Brent Driedger"
>To: "Leslie Paal" , cnc-list@cnc-list.com
>Subject: Re: Stus-List More on GPS accuracy
>Message-ID:
><499177535-1359438905-cardhu_decombobulator_blackberry.rim.net-1984730907-@b17.c8.bise6.blackberry>
>
"Brent Driedger"
> To: "Leslie Paal" , cnc-list@cnc-list.com
> Subject: Re: Stus-List More on GPS accuracy
> Message-ID:
>
> <499177535-1359438905-cardhu_decombobulator_blackberry.rim.net-1984730907-@b17.c8.bise6.blackberry>
>
> Content-T
r: "CnC-List"
Date: Mon, 28 Jan 2013 12:04:01
To: cnc-list@cnc-list.com
Reply-To: Leslie Paal , cnc-list@cnc-list.com
Subject: Stus-List More on GPS accuracy
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Unconditioned GPS signals will give 1 millisecond accuracy, any time of the
day. One microsecond accuracy can easily achieved, after a bit of
calculations; again any time of the day. The regular update that was mentioned
before applies to the correction equation parameters, not to the clocks.
