Maybe there is hope for Solar Minimum and HF propagation?
Shall we take up a donation for CubeSats
CubeSats carrying ionized gas could create radio-reflecting plasma
This would occur in the ionosphere, which becomes denser at night
Bouncing signals between ground and ionosphere can improve range
Ground-based radio signals are limited by the curvature of Earth’s surface, and those travelling more than about 44 miles are typically stopped if they aren’t given a boost, according to New Scientist.
These communications can be improved by bouncing the radio signals between the ionosphere and the ground, allowing them to zigzag over greater distances.
In one of the USAF-backed projects, researchers with General Science and Drexel University in Pennsylvania are working to develop a way to vaporize metal by heating it beyond its boiling point.
This would allow it to react with atmospheric oxygen to produce radio-reflecting plasma.
Another project from a team at Enig Associates and the University of Maryland plans to heat metal by detonating a small bomb, and converting the blast into electrical energy
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