[FOSS-GPS] RTKLib processing power

Josh Leighton leighton.josh at gmail.com
Wed Aug 21 17:42:58 PDT 2013

While I can't speak very scientifically, I can report on our experiences
running rtklib on gumstix embedded linux computers.  Previous we used a
Gumstix Overo with an ARM cortex-A8 (single core) at 800MHz I believe.  We
couldn't reliably do more than 1Hz RTK alongside the other processes we
were running.  If I recall correctly, rtknavi was using ~15% cpu at 1Hz.

Now with a Duovero (dual core, arm cortex-A9 at 1GHz) we have no problem
running RTK at 5Hz.  Cpu usage is still around 15%.

Hope that's of some help to you.


On Wed, Aug 21, 2013 at 8:19 PM, Weber <webersouzacalixto at gmail.com> wrote:

> Hi all,
> Question: How much processing power to get real time RTK corrections from
> RTKLib?
> I'm thinking of using uBlox LEA-6T-0 (5 Hz RAW update) on both basestation
> and rover (a UAV), with RTKNAVI or an adaptation running on the rover so I
> need to choose a onboard computer capable.
> Thanks,
> Weber
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