uBitx "Shadow"


Hello everyone! I would like to share with you some informations, I installed a new Inverted V antenna for 20m and I discovered that my uBitx is transmitting some "shadow" signal along the center frequency. I can't remember seeing this before, when I was using a zig-zag dipole. This is not happening in LSB. Does anyone know what is this if can be somehow corrected ? Picture attached. Thanks!

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