Check out these sites1

HAM radio:

DX

Meet other DX'ers

Meteor Scatter

Everything about meteor scatter

Any rocks falling now?

Aurora

Check out the sun's activity

Any Au in Europe?

Info on latest CME

Visuals on solar activity

Tropo

Any chance on tropo in Europe?

Sporadic E

Check out the MUF in your area

Other HAM's (if you want to be here, mail me)

Dick (PA2DW). Also info on PA3BIY (Peter)'s LNA design for 144 MHZ

Gaetano (IW2NOR)

Matej (OK1TEH)

IW0UEI's Expedition to JN30