The League of Nations "Radio Nations" broadcasts began in 1929, first via the transmitter of the Dutch station PCJJ and beginning in 1932, from the League's own transmitters, HBL and HBP in Switzerland.
The League of Nations "Radio Nations" transmissions commenced in 1929, initially via the Dutch station PCJJ's transmitter, and later from 1932, using the League's own transmitters HBL and HBP in Switzerland.