[USRP-users] B200mini with GNSS-SDR

Jason Roehm jasonr at 3db-labs.com
Thu Jul 23 08:34:00 EDT 2020

Those are probably jumps due to instantaneous changes in the frequency 
control in the internal TCXO. Try injecting an external 10 MHz reference 
clock and using that instead to see if it makes the jumps go away.


On 7/23/20 8:31 AM, Don Kelly via USRP-users wrote:
> Any other usrp-users using the B200mini and the GNSS-SDR software? 
> I’ve got it running, but am seeing some unusual behavior so am hoping 
> to discuss configurations with others.
> In particular, I’m seeing “jumps” in the GNSS-SDR calculation of 
> Doppler, and I do not see this running the same config on a HackRF. 
> I’m guessing this may be a configuration issue, but want to rule out 
> some issue with my new B200mini.
> Thanks!
> Don
> Don Kelly
> Agile Engineering
> LinkedIn: www.linkedin.com/in/kellydak 
> <http://www.linkedin.com/in/kellydak>
> Cell:  281-221-2853
> 4403 Orange Leaf Court
> Houston, TX   77059
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