-
detects and produces radio waves.
-
builds his first radio equipment, a device that will ring a bell from 30 ft. away.
-
establishes first radio link between England and France.
-
transmists human speech via radiowaves.
-
transmits telegraphic radio messages from Cornwall to Newfoundland
-
patents an arc transmission that generates continuous radio waves, producing a frequency of 100 kHz and receivable over 150 miles.
-
invents the directional radio antennae.
-
invents a high-frequency electric generator that produces radio waves with a frequency of 100 kHz.
-
develops a 100 kHz, 2 kW alternator for radio communication.
-
FM radio stations begin to use the RDS already in place in Europe.