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by wmf 3069 days ago
The throughput probably isn't high enough.
1 comments

Maybe the throughput could be increased using a bunch of MIMO antennas?
No, the throughput available at these frequencies is measured in bits per second.
PSK31 is 31 bps, but that's with ~100 Hz between channels. DXing is common in the 14 MHz band, so you could probably get to the megabits-per-second range before Physics (or the FCC) stops you.