[time-nuts] Re: Frequency Standard - Where Can I Get One.

[Lester Veenstra]

That reminds me;  Used to have a TWTT link via satellite watching a Caesium
at an English Gov site.  Was puzzled to watch the relative freq cycle day
and night until we learned the UKGOV site  room at nit and day different
temperature control settings.  1 UK Cs vs. our 3 Cs and ulta pure flywheel.

Lester B Veenstra  K1YCM  MØYCM  W8YCM   6Y6Y (Reformed USNSG CTM1)
lester at veenstras.com

452 Stable Ln
Keyser WV 26726 USA

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-----Original Message-----
From: Lux, Jim [mailto:jim at luxfamily.com] 
Sent: Monday, November 22, 2021 10:56 PM
To: time-nuts at lists.febo.com
Subject: [time-nuts] Re: Frequency Standard - Where Can I Get One.

On 11/22/21 7:51 PM, Bill Notfaded wrote:
> There's no substitute for a few good rubidiums.  OCXO and Rb are
> different.  It's really hard to beat a really good GNSS diciplined Rb!
> Extremely good holdover.  We're timenuts after all right?  Where's the fun
> if you don't try them all?  There isn't any silver bullet or perfect
> solution but I've found with some good measurement and comparisons you too
> can be in the search of better and better stability.  Half the fun is
> finding a better OCXO or finding a really stable Rb.  Testing them all
> against each other is part of the journey.  Letting timelab run all night
> every night.  Flipping back and forth between graphs.  For me it's a hobby
> but I've gotten many many hours of great happiness from it.  The first
time
> I got into 10 ^ -13 how can you explain what that's like?  The huge digits
> on an SR620 you can read from across the room.  I guess it's different for
> each of us but it's something we all share.
>
> Bill


When you get to where you can see the air conditioning or heat in the 
room cycling on and off, with TCXO and OXCOs.. "What's that bump at 1000 
seconds?"

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