locked Unusual audio splatter pattern #FT8

Bruce KX4AZ

I noticed an unusual audio splatter pattern on FT8 (6 meter band)  - not the typical audio clipping pattern with 2X 3X harmonics etc.  Curious to know what would cause this unique pattern.  The signal strength was about +9 dB, and no other signals (even stronger ones) display this pattern so I am pretty sure the issue is on the transmitting end.

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