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

Gary E. Miller gem at rellim.com
Wed Oct 18 14:27:18 EDT 2017


Yo Rob!

On Wed, 18 Oct 2017 11:33:28 -0600
Rob Seaman <seaman at noao.edu> wrote:

> That’s why they want a black box. Volume is one to several, but could
> imagine a bulk order if savings were significant. Hundreds of dollars
> might be the price point.

For under a $100 you could get a Raspberry Pi, a GPS HAT, and connect
your input to a GPIO pin.  Configure ntpd to log the real PPS and the
input as another 'PPS'.

RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
	gem at rellim.com  Tel:+1 541 382 8588

	    Veritas liberabit vos. -- Quid est veritas?
    "If you can’t measure it, you can’t improve it." - Lord Kelvin
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