Untitled attachment https://media.mstdn.io/mstdn-media/media_attachments/files/110/102/458/636/586/134/original/c35501e1f402be58.png
Also, spectrograms (log scale):don't know what to make of them though, they look rather similar, except Unitek seems to have more of those exp-like lines at high frequencies... are those aliases?