Secondary surveillance radar

Secondary surveillance radar

Secondary surveillance radar is a radar system used in air traffic control, that not only detects and measures the position of aircraft i.e. range and bearing, but also requests additional information from the aircraft itself such as its identity and altitude. Unlike primary radar systems that measure only the range and bearing of targets by…

Murder Mystery | Trailer | Netflix

Murder Mystery | Trailer | Netflix

(rock music) – I don’t wanna give it away, it was the butler. The butler did it. – Leave my books alone, okay? Just let me read. – Timber. (rock music) – What brings you across the pond? – It’s my honeymoon. – Where’s your husband? – Dead. (Nick snoring) – Asleep! He’s dead, dead…

Safety Tips: Smoke Alarms

Safety Tips: Smoke Alarms

Hi I’m Lorraine from the National Fire Protection Association. Did you know that the majority of fire deaths happen in homes where there is either no smoke alarms or no working smoke alarms? We’re going to provide you with some important safety information to help you protect your family in the event that you have…