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.
Jason
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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