I doubt they are being used in high freq trading. Not enough bandwidth at HF
and the latency may be problematic. Oh, how about propagation? If it doesn't
work for us, it won't work for anyone else, regardless of the amount of money
they spend on it.
Isn't SteppIR in the Seattle area. Call them and maybe they can solve the
question. Or go park your car near them and see if you can find the freq(s) in
use.
BTW, how do you know they are non-ham installations?
---
Ciao baby, catch you on the flip side
73 de W3AB/GEO
WA2LSI, KE6RJW, W7B, AAR9AG
http://www.w3ab.org
You can say "over", you can say "out", you just can't say "over and out".
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