Original sentence: Hanes, Dave,   "Physics 014: The Course Notes, Radio Astronomy''"
Edited sentence: , known as the Teslascope, and noted repetitive signals that he deduced must be coming from a non-terrestrial source.A 1996 analysis indicated Tesla was observing Jovian plasma torus signals.Also, Henri Deslandres and Lois Decome put forth an idea of a similar experiment to that of Nordman.Collier's Weekly, February 19, 1901.Corum, "Nikola Tesla and the Planetary Radio Signals''.Corum, K.Hanes, Dave,   "Physics 014: The Course Notes, Radio Astronomy".In 1890, Thomas Edison tried to observe solar signals but failed.In 1899, the Nikola Tesla developed a sensitive radio telescope.In 1902, Charles Nordman tried to observe solar emission in the Alps, but failed due to the deficiencies in his apparatus.Other history.Tesla, Nikola, "Talking with Planets".The scientific community refused to investigate the data after the announcement of his findings.There were various attempts, such as in England, France, and Germany, to observe signals emitted from the Sun by the 1890s