This is a 10 kHz wide digital signal with a central carrier in the 40M band heard in NC and MD on 11/22/20 at 2:50pm ET heard from MD and NC. What is it? This is the second time I have heard it. Vimeo video link: https://vimeo.com/484529483 to hear it and tune the pan adapter.
Please leave comments on the BARC Blog on this: 73 N4PVH
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Try AM also next time. Possible commercial Broadcast.