A "Mixed" Programme

Radio Record, Volume V, Issue 35, 11 March 1932, Page 15

A "Mixed" Programme

An Interesting Experiment N English shortwave amateur made an interesting experiment jon the occasion of a broadcast speech: of. the French Minister Laval to the American people. This speech was received by the American transmitter W2XAD and relayed on the shortwave to the entire American broadcasting system. The English amateur received the American transmission on a. superheterodyne receiver. As intermediate frequency of this receiver he used: the wavelength of the transmitter. Radio Paris (1725 metres), which transmitted this speech in France. So the amateur heard the same speech transmitted Simultaneously by the American station and by Radio-Paris. As, however, the American transmis. sion had crossed the Atlantie twice before reaching this receiver and the transmission from Radio-Paris was received rectly. the American speech arrived 1-25th of a second later, so that the listener received an impression of an echo effect.