HERE’S SPEED

Poverty Bay Herald, Volume LV, Issue 17231, 10 April 1930, Page 12

HERE’S SPEED

TELEPHONING ENGLAND SYSTEM READY SYDNEY, .March 25. Telephone communication I etwoen England and Australia will shortly he made available to the general public, i A call el “overseas radiophone” into a telephone receiver in Sydney will be l he key to the setting in motion of apparatus which will bring a human voice back across half the world into the earphone of the roeeiver. The managing director of Amalgamated Wireless (Australasia) hid.. Mr. IT 1 I • Fisk, has announced that the service jis ready. Exhaustive tests have been ; made, and conversations have been held over periods of nearly 24 hours. I The success of the system depends upon the transmitter, which has been ' constructed entirely in Australia. Installed at Pennant Hills, it contains 18 large valves, some of which are lupin] cooled and valued at M 1 TO. The Mixing Panels From tile station at Pennant Hills, telephone messages are automatically transmitted by the lie.am system to a station til I’ahlock, England. From Unblock* Ihe message is relayed to a mixing panel at London. Conversation from Knglnrid is relayed through this mixing panel to Hugby. and then transmitted hv lain in to a station at La l’erouse. From J.n Permise the message is sent to the mixing panel ol Amalgamated Wireless, Ltd., in Sydney, and through that panel to the original Sydney caller. The function of (lie mixing panel is to co-ordinate the two lines of transmission and receiving, and to prevent a culler hearing Ids own words returned to him through the earphone The receiving apparatus nl fat Peroitse contains 25 valves. Credit to Engineers The messages will take less than 1-15 see. to reach England from Australia. Following the success of the firstEmpire broadcast, introduced by Amalgamated Wireless, Ltd., improvements and enlargements were made to the transmitting apparatus and the radio telephone transmitter was constructed. The installation of the system does credit to the work of Mr.. Fisk and the engineers of Ihe company. The Sydney station ts recognised as one of (he heal stations in the world.