[Discuss-gnuradio] Flipping problem

[isaacgerg]

I am sending a known sequence of samples from one USRP to another using the
Basix RX/TX d'boards setting the frequency to 24e6.

When I rx the sequence, the correlation of it keeps flipping, but not in a
way that suggests residual carrier.  It seems as if I am experiencing an
instantaneous flip.

My gain on both the RX and TX is set to 500. The signal amplitude I rx is
~1200. When I run the GRC model, the Rx says I have no residual carrier,
invert is set to false, the dxc frequency is set to -24e6 and the baseband
to zero.  On the TX side, I have these same values with the exception of the
dxc freq, it is not set to 24e6. Why the flip??   What do all these things
mean???

Is 24e6 a bad freq to use with the basic TX/Rx?

Thanks in advance!
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