The idea of a geosynchronous satellite for communication was first published in 1928 (but not widely so) by Herman Potočnik. The idea of a geostationary orbit became well known first in a 1945 paper called "Extra-Terrestrial Relays — Can Rocket Stations Give Worldwide Radio Coverage?" by the British science fiction writer Arthur C. Clarke, published in "Wireless World" magazine. The orbit, which Clarke first described as good for broadcast and relay communications satellites, is sometimes called the Clarke Orbit. Named after the author, the Clarke Belt is this part of space above the Earth - about above sea level, over the equator, where near-geostationary orbits may be implemented. The Clarke Orbit (another name for a geostationary orbit) is about around.