Off topic, but with everything going OFDM these days, maybe not too far.
Just something I've been playing around with, sending waterfall pictures
with an OFDM transmitter. This is 4096 carrier OFDM sent between two
SDR's in 2 MHz of bandwidth.
https://github.com/drmpeg/gr-paint
BTW, the ATSC has published the OFDM specification for ATSC 3.0.
http://atsc.org/wp-content/uploads/2015/10/S32-230r21-PHY-STD-CS.pdf
Ron
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