Well, the article itself does a pretty good job of describing why it is not an exactly good idea. What it does not say (and what probably nobody suggesting that ever though about) is that the sky-wave propagation mode is either about reflection off the ionosphere or refraction effects of the ionosphere, both of which means that the propagation path is significantly longer and in the refraction case over “slower” medium. The resulting latencies are almost certainly large enough that the whole thing does not make sense even before thinking about the bandwidth and frame sizes.