Yo Achim! On Mon, 27 Mar 2017 23:14:05 +0200 Achim Gratz <[email protected]> wrote:
> Well, the navSpark mini didn't quite like being in the box and dropped
> the ball quite often. I've routed the cable out through the oening
> for the HDMI port and built some contraption to put the GPS antenna
> on even further away from the Pi. Seems to work better now, got a
> good 3D fix within a minute and holding it as far as I can tell.
Yeah, my antennas are in a window sill.
> Since I've had to disturb it anyway to get the GPS out (and I've
> managed to crash it while doing this unfortunately), I started an
> sha512sum on one core and disabled the HDMI. With some luck that
> should be right around the zero-TC point for most of the day based on
> the data from the last 28 hours.
Take a look at ntpheat. If I run 'ntpheat -c 3 -t 67' I get very
god temp stability. The advantage to ntpheat is is you put the CPU
underload then ntpheat will compensate.
RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
[email protected] Tel:+1 541 382 8588
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