[time-nuts] Neutrino timing

Thomas A Frank ka2cdk at cox.net
Sat Oct 29 03:20:52 UTC 2011


Perhaps take advantage of one of the numerous AM radio stations in the midwest that happen to be about half way between?

After some initial calibration that should be repeatable.

Tom Frank


On Oct 24, 2011, at 2:12 PM, paul swed wrote:

> Boy I have to say that I agree with Bob. Nice and simple, but a boring drive
> and heavens who has budgets for the tickets?
> Looked at a map and though I could see either a dark fiber type connection
> $$$$$, or radio at 400 miles. Transmitter reference at 200 miles could give
> a common view. They grow really tall TV towers in the midwest. Certainly 50
> MHz and reasonable power would be stable. I wonder about jitter in the
> various technologies of the radio recvr. But with a CS/Rb ref. the system
> could be quite good. Way back when ran a repeater at 145 Mhz for data with
> directive antennas in Michigan. Ant at 60'. Very stable coverage at 140
> Miles.
> Regards
> Paul
> WB8TSL
> 
> On Mon, Oct 24, 2011 at 1:22 PM, mike cook <michael.cook at sfr.fr> wrote:
> 
>> Le 24/10/2011 19:03, Bob Camp a écrit :
>> 
>> Hi
>>> 
>>> The "quick and dirty" way to improve the timing is pretty old school.
>>> 
>>> Toss a modern Cesium clock in the back of a car along with a bunch of
>>> batteries. Drive it back and forth between Batavia and Soudan. If you
>>> drive
>>> fast, that should be about an 8 hour trip. A good Cesium should hold 5 to
>>> 10X better than the GPS is now doing.
>>> 
>>> Better to take three.
>> 
>> 
>> ______________________________**_________________
>> time-nuts mailing list -- time-nuts at febo.com
>> To unsubscribe, go to https://www.febo.com/cgi-bin/**
>> mailman/listinfo/time-nuts<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