[Discuss-gnuradio] Probe Rate block

Hi!

Can anybody advise me how to use the Probe Rate block in Gnuradio?

I am not new in Gnuradio, but this block is getting me around 360 degrees.

I am trying to probe incoming signals by using Probe Rate. To display its output, I used QT GUI Message Edit Box. Unfortunately nothing displays from the probe.

Any advise on how to display Probe Rate's content?

I really appreciate your support.

Thanks!

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Evariste Some