Send the following on WhatsApp
Continue to ChatARD and ZDF start HD test transmissions https://www.broadbandtvnews.com/2009/07/14/ard-and-zdf-start-hd-test-transmissions/
ARD and ZDF start HD test transmissions https://www.broadbandtvnews.com/2009/07/14/ard-and-zdf-start-hd-test-transmissions/