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1 lugl 1920 anni - 1920
Descrizione:
La primera emisora de carácter regular e informativo es la estación 8MK (hoy día WWJ) de Detroit, Míchigan (Estados Unidos), en la frecuencia de 1500 kHz.
Aggiunto al nastro di tempo:
Linea del Tiempo Realidad Virtual
By
Chema
3 ott 2018
0
0
724
Data:
1 lugl 1920 anni
Adesso
~ 103 years ago
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