[time-nuts] Advantages of GNSS ???

[Bob kb8tq]

Hi


> On Jul 11, 2019, at 9:37 AM, Leo Bodnar <leo at leobodnar.com> wrote:
> 
>> Well part of it comes from designing, testing, and manufacturing a few 
>> thousand OCXO designs over the years. We likely built 10’s of millions of 
>> OCXO’s over the time I was doing / managing that. 
> It might be just my personal opinion but credential swinging is better left out of technical discussion.
>>> - high-Q crystals require SC-cut 
>> ... An SC has a lower Q than an AT of similar size
>> and design up to the point acoustic Q losses completely take over. 
>> If you are talking about sub 20 MHz OCXO’s with “doable” crystal 
>> package sizes, the AT will have the higher Q by a significant margin. 
> 
> Could you please back up this claim with verifiable facts?

Order up a few 5 MHz 3rd overtones in HC-40 packages and see what you get.
You also could send in an RFQ for a batch of each to any of the people who make them
and see what comes back. 

Bob

> 
> Leo
> _______________________________________________
> time-nuts mailing list -- time-nuts at lists.febo.com
> To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com
> and follow the instructions there.