[time-nuts] Adafruit Ultimate GPS timing message arrival times

[Chris Albertson]

On Mon, Aug 1, 2016 at 9:48 AM, Bob Camp <kb8tq at n1k.org> wrote:

>
> The serial string is fine for an "eyeball clock". It’s not so fine for a
> GPSDO.
>
>
That is a good way to say it.  NMEA was designed for marine navigation.
Driving ships and boats across an ocean.    So the NMEA that my water speed
sensor produced was good enough it is output at 1Hz.     The NMEA is that
the "data needs to be valid within a second of when it is written".