[time-nuts] inexpensive, black box, GPS or NTP based TTL time capture?

Attila Kinali attila at kinali.ch
Wed Oct 18 11:26:08 EDT 2017

On Wed, 18 Oct 2017 08:47:58 -0600
Rob Seaman <seaman at noao.edu> wrote:

> I’m at the annual planetary sciences meeting (in Provo this year) and several 
> groups have expressed interest in duplicating our setup (details of FO 
> converters, Schmitt triggers, etc, omitted) in a “cheap black box” to quote
> one fellow. Lots of people contribute productively to NEO observations, 
> including amateurs and small teams with little funding. Improving their 
> timekeeping would help keep rocks from falling on you and your family.

What is this black box supposed to do? Just provide a PPS? IRIG-B?
Or does it need to have time-stamping capabilities? If so, how many

What are your time precision/accuracy requirements?

What how cheap is "cheap"? What is the volume?

				Attila Kinali
It is upon moral qualities that a society is ultimately founded. All 
the prosperity and technological sophistication in the world is of no 
use without that foundation.
                 -- Miss Matheson, The Diamond Age, Neil Stephenson

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