1940: FM-yhteys 8 mailille, siirtymä AM:ltä FM:lle
Lähetetty: 25.02.2026 22:44
https://www.youtube.com/watch?v=zbeuPiqx0WM
Kenttäviestinnän murros.
AM. 1 maili
https://radionerds.com/index.php/BC-611
https://radionerds.com/index.php/SCR-194
https://radionerds.com/index.php/SCR-195
1930-luvun loppu
https://en.wikipedia.org/wiki/Motorola
Galvin Manufacturing
FM
https://radionerds.com/index.php/SCR-300
Kenttäviestinnän murros.
AM. 1 maili
https://radionerds.com/index.php/BC-611
https://radionerds.com/index.php/SCR-194
https://radionerds.com/index.php/SCR-195
1930-luvun loppu
https://en.wikipedia.org/wiki/Motorola
Galvin Manufacturing
FM
https://radionerds.com/index.php/SCR-300