[time-nuts] BYMLBI (Back Yard Medium LBI)

Eric Garner garnere at gmail.com
Sat Mar 19 15:51:39 UTC 2011



Sent from my Banana jr (tm) Mobile Device

On Mar 18, 2011, at 9:20 PM, lists at lazygranch.com wrote:

> http://www.astronomycast.com
> 
> Episode 211 was a good primer on celestial navigation. It covers time piece construction. 
> 
> Building your own backyard continental drift hardware would be high on the coolness scale. 
> 
> 
> ------Original Message------
> From: Wolfgang
> Sender: time-nuts-bounces at febo.com
> To: Discussion of precise time and frequency measurement
> ReplyTo: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] BYMLBI (Back Yard Medium LBI)
> Sent: Mar 18, 2011 8:58 PM
> 
> On Friday 18 March 2011, Brooke Clarke wrote:
>> For a number of decades I've tried to figure out a way to measure the
>> period of the Earth's rotation accurate to at least 1 ms.
>> 
>> [...]
>> 
>> Is it possible to do it using a radio method in my (large) back yard?
>> 
> 1 ms / day = 1.2e-8 = 460um position accuracy on the ground. 
> 
> If the measurement takes more than a couple of days, continental drift 
> may need to be considered. 
> 
> - Wolfgang, DL1SKY
> 
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
> 
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.



More information about the time-nuts mailing list