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this post was submitted on 22 Oct 2023
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Really. Wouldn't broadcasting on all spectrums basically just be noise?
Edit: the article says "have broad tunability" which I take to mean that no, they just operate on one frequency at a time
It covers more frequencies as in wavelengths as in the bigger the wavelength the bigger the length of the antenna (to put it simply). In this case they're saying you wouldn't need to make it as large as a conventional antenna to receive the same frequencies, or you could make it large and receive more frequencies.
I do think it can receive on many frequencies at once. But I think the Fourier transform won't be able to untangle a signal if that signal is broadcast continuously on all frequencies.