charles dansie maclurcan and cyril lane of the sydney electrical engineering firm maclurcan and lane were granted an experimental licence in 1909 and soon commenced wireless telegraphy transmissions from the rooftop of the wentworth hotel (owned by maclurcan's mother). maclurcan was to become famous in the broadcasting world in the 1920s when he transmitted broadcasting programmes from his experimental station with callsign 2cm.