[time-nuts] Neutrino timing
paulswedb at gmail.com
Sat Oct 29 09:50:08 EDT 2011
Agree with your thoughts on the AM's. Though as I suggested in a thread on
other topics sometimes there depth of modulation could be an issue.
By using the higher frequency and the TV tower you could control the
Its a small antenna and reasonable power. More importantly low jitter. That
somehow might be important here. ;-)
On Fri, Oct 28, 2011 at 11:20 PM, Thomas A Frank <ka2cdk at cox.net> wrote:
> 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
> > and heavens who has budgets for the tickets?
> > Looked at a map and though I could see either a dark fiber type
> > $$$$$, or radio at 400 miles. Transmitter reference at 200 miles could
> > a common view. They grow really tall TV towers in the midwest. Certainly
> > 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
> > 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
> >>> 10X better than the GPS is now doing.
> >>> Better to take three.
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