Al's brain tends to overheat in the summer, Flexo, pay no attention to him.
The only fellow I actually knew to work at HAARP was part of a team that studied the effects of meteor propagation at high latitudes. As their work is still classified, I don't know what they discovered.
Check the ARRL site and other ham sites for info on meteor props. The guys on VHF and above have done a lot of work on it over the years.