World Radio

Radio Record, Volume III, Issue 22, 13 December 1929, Page 15

World Radio

-r ae HE Byrd Antarctic Expedition is certainly proving to be its own publicity agent. The latest performance is reported to be the blowing of a motor-car horn in Los Angeles by means of a radio impulse sent from Byrd’s camp. The same impulse drew curtains from an enlarged picture of Byrd at the National Radio Eixposition at Los Angeles. These feats are certainly records in distance control! To overcome the difficulty experienced by navigators in judging the distance of a fog syren, an interesting experiment in wireless telephony is-.to be made in the near future at the Cumbrae lighthouse, in Scotland. After the sounding of each blast from the syren the words "one," "two," "three" will be transmitted at intervals corresponding to the time the sound waves would take to cover one mile. By noting the time lag between the reception of the wireless signal and the sound of the syren, mariners will be able to determine with fair accuracy how far their ship is from the source of sound. At the moment when the syren sounds the name of the station or lighthouse will be given.