7 events with tag "radio"
1906
ID: 1161
First AM radio broadcast
ID: 1161
1920
ID: 1289
First commercial radio station (KDKA) begins broadcasting
ID: 1289
1920
ID: 1291
First commercial radio broadcasts using mathematical signal processing - Fourier analysis enables mass communication
ID: 1291
1921
ID: 1302
Radio broadcasting expands rapidly across America and Europe
ID: 1302
1927
ID: 1342
First transatlantic telephone call via radio
ID: 1342
1930
ID: 1376
Shortwave radio broadcasting begins internationally
ID: 1376
1939
ID: 1488
WWII: Massive expansion of radar technology and military radio systems
ID: 1488