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Radio Record, Volume I, Issue 27, 20 January 1928, Page 4

The first broadcast station in Egypt was expected to commence transmission during last November. In somie cases a receiver of the tuned radio frequency type will cause trouble by oscillating so badly that it is impossible to get decent reception of the broadcast programmes. In types of sets having the radio ftequency trausformer mounted parallel to the variable condenser, the oscillations may _ be stopped by means of a simple expedient. Just move the three coils slightly closer to their respective condensers, and you will be surprised how quickly the unwelcome oscillations will be stopped.