Frank Nicholas <fr...@nicholasfamilycentral.com>:
> Hello Eric,
>
> Regarding the “mode” setting, for the Adafruit HAT & Ultimate GPS Breakout, I
> had the following in my notes:
>
> We want "mode" set to 18:
> 16 = 9600 baud
> 2 = use PGGGA sentence for time
> We want to use PGGA sentence because it appears first, closest to
> the start of the second in each cycle.
I think you mean GPGGA, but yes. I just checked with gpsmon and it is indeed
first in the cycle
> You have mode set to 17, using message GPRMC. Can someone who knows
> more than me, explain to me if it really matters?
It probably doesn't. I copied this config frome somewhere.
RMC supplies date information, which GGA does not. As farvas I know the
drive doesn't use it.
> Regarding the 9600 baud, in another thread Gary Miller says we
> should up the baud rate higher than 9600. Maybe he can reply with a
> recommendation for this.
It would cut latency a bit.
--
<a href="http://www.catb.org/~esr/";>Eric S. Raymond</a>
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