The Birth of Radio Broadcasting (Part 3): Hanso Idzerda's PCGG Radio Transmitter. How does it work?
3:32
The Birth of Radio Broadcasting (Part 1): Hanso Idzerda and his PCGG transmitter
4:41
The Birth of Radio Broadcasting (Part 2): Dutch Radio Pioneers Hanso Idzerda and Jan Corver
1:31:46
"The Titanic and Technology of Early Radio"
8:13
Zelfbouw zender uit 1953 gebruikt tijdens de watersnoodramp in Zeeland. ( lees de beschrijving )
15:51
De ontwikkeling van de telefonie in Nederland
9:07
Oude FM Zender 1978
13:33
O FRACASSO da GoPro: O erro de 11 bilhões de dólares
6:26:47