[time-nuts] OCXO with ADEV of 1E-13 on Pluto Mission

[Bob Camp]

Hi

There are some amazing things you can afford to do when you are targeting a < 20 pcs / year market and have
dozens of people to work on the product. 

Bob

> On Jul 16, 2015, at 3:24 PM, Brian, WA1ZMS <wa1zms at att.net> wrote:
> 
> The crystal in the ref osv. came from Bliley. The part number is BG-61.  I have no idea what the current cost is, but like most very good oscillators the crystals were hand sorted and graded.
> 
> -Brian, WA1ZMS
> iPhone
> 
>> On Jul 16, 2015, at 11:17 AM, "John Stuart" <j.w.stuart at comcast.net> wrote:
>> 
>> Here is an interesting link to the New Horizons Mission to Pluto radio
>> system design.
>> Note last section describes an OCXO with ADEV = 1E-13 at 1s, and aging rate
>> of <1E-11 per day.
>> 
>> http://www.uhf-satcom.com/amateurdsn/Paper-969.pdf 
>> 
>> 
>> 
>> I wonder if their spares will show up on eBay? 
>> 
>> 
>> 
>> John Stuart, KM6QX
>> 
>> Lafayette, CA
>> 
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