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
8:13
Zelfbouw zender uit 1953 gebruikt tijdens de watersnoodramp in Zeeland. ( lees de beschrijving )
1:31:46
"The Titanic and Technology of Early Radio"
26:27
The History Of Television
4:57
The Colour of Sounds: the Sound Engineer
21:36
Zelfbouw illegale 3 meterband FM zender van Autist FM
15:50
Aos 78 Anos, David Gilmour FINALMENTE Confirma POR QUE Roger Waters DESTRUIU o Pink Floyd
15:58