Cullen Pipe Band playing at the Marconi Centenary in Ballybunion March 19, 2019 Joined in the recording by Princess Elettra and her son Prince Guglielmo Giovanelli Marconi. On the 19th of March 1919, the first Est to West Trans-Atlantic voice transmission was made from the Marconi Radio Station in Ballybunion, Ireland to a receiving station in Cape Breton, Nova Scotia Canada, using the call sign YXQ.