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High Frequency Traders want to start using High Frequency radio for financial data
(www.radioworld.com)
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this post was submitted on 10 Jul 2023
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I am also a licensed ham, and you are right. HF digital modes are very low data rate. A low bits/sec data rate because of the limited bandwidth will result in high latency for any nontrivial message length. FT8 is only 6b/sec for comparison. I'm curious to learn more about how they would use the spectrum.
I've yet to play with FT8. I've had to sell my radio equipment when I became disabled. One day, I'll get back into it again.