Planetary ionosphere relay idea

I was watching something about the HAARP station in alaska. I remembered that Nikola Tesla once proposed similar ideas that are currently being researched at this station. The one idea that particularly stuck out was the idea of polarizing sections of the planetary ionosphere for use in relaying EM signals, in effect turning the planet's atmosphere into a giant satellite dish. I had heard that this might be more efficient, since a lot of satellite signals are lost going through the atmosphere.

here's my new twist on the idea. how about turning it outward instead of inward? earth isn't the only planet with an ionosphere. how useful would it be to be able to relay signals off of the ionosphere of mars, Venus, Jupiter, etc. into deep space probes? what would need to be done to do this? would each planet need a similar HAARP type station to properly effect the atmosphere? could an orbiting version be built and sent to each planet?