www.abc.net.auThe SignalThe Signal is the ABC's daily news podcast that helps cut through the noise to cover the biggest stories, explaining not only what is happening but why. It's an entertaining 15-minute show, perfect for the daily commute. The Signal is the ABC's daily news podcast that helps cut through the noise to cover the biggest stories, explaining not only what is happening but why. It's an entertaining 15-minute show, perfect for the daily commute (or morning iso walk!).