ok a few tries to get it set up.
But I use tac32 on WI*S if I want to see the satellites or hear it tick.
-Mike
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Mike Nolan +1 787 878 2612 Fax: +1 787 878 1861 [EMAIL PROTECTED]
Arecibo Observatory, HC3 Box 93995, Arecibo, Puerto Rico 00612
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t
en that would make me nervous. But I think you need a trigger on
the sampler if you care about timing.
Even that way we've had trouble: our datataking under some circumstances
slew ntp by a huge amount (like 500 PPM). That can get it off by seconds
before ntp can react.
--
Mike Nolan +1 787 87
rt of accuracy. And if you give it to them, they will want better...
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Mike Nolan +1 787 878 2612 Fax: +1 787 878 1861 [EMAIL PROTECTED]
Arecibo Observatory, HC3 Box 53995, Arecibo, Puerto Rico 00612
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ecord
raw data.
-Mike
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Mike Nolan +1 787 878 2612x334 Fax: +1 787 878 1861 [EMAIL PROTECTED]
Arecibo Observatory, HC 3 Box 53995, Arecibo, Puerto Rico 00612 USA
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be on jan 1, which isn't over yet.
By the time the fireworks were over and I dialed up again, our IRIG
stratum-1s referred to local time were again happy. But I still have to
go reboot the telescope in the morning to reread the year.
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Mike Nolan +1 787 878 2612x334 Fax: +1 787 878 1
On Wed, Jan 18, 2006 at 09:17:31AM -0700, David Forbes wrote:
> Our need for accurate time/frequency is:
> 1) Local oscillator frequency +/-1kHz at several hundred GigaHertz;
> 2) Time correct to +/-10 milliseconds to keep the telescope pointed correctly.
>
> I suppose it would make a lot more s
at 100 GHz, but the pulsar folk
have their hands in all pies.
Sorry if this information is redundant, but and experiment that's blown
becaus of a bad frequency reference is a bummer.
Cheers,
-Mike
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Mike Nolan +1 787 878 2612x334 Fax: +1 787 878 1861 [EMAIL PROTECTED]
Arecibo Observa
