Hams use a variety of frequencies for communications. Non-hams can " listen in " via their own receivers or radio scanners. Hams are able to use many frequency bands across the radio spectrum -- these frequencies are allocated by the FCC for amateur use.
Although a ham radio does broadcast in all directions, hams generally do not use their radios in a broadcast kind of way as a disk jockey would at a radio station. In normal AM or FM radio, one disk jockey transmits and thousands of people listen. Hams, on the other hand, conduct two-way conversationsoften with another ham or with a group of hams in an informal roundtable.
Amateur television ATV is the transmission of broadcast quality video and audio over the wide range of frequencies of radio waves allocated for radio amateur Ham use. Ham TV stations were on the air in many cities before commercial television stations came on the air. ATV includes the study of building of such transmitters and receiversand the study of radio propagation of signals travelling between transmitting and receiving stations.
Ever watch the Stranger Things series on Netflix? It also features some excellent electronics technology that was at its prime back in the 80s and is still kicking today. In one scene, three boys are sitting around their very first ham radio with their science teacher in tow. For Dustin, Mike, and Lucas, ham radio was like a gateway into an invisible dimension, and an alien one, allowing them to connect wirelessly with some simple electronic components.
He volunteered with 21 other people to provide communications support in Puerto Rico after Hurricane Maria in The volunteers helped with many aspects of disaster recovery. Andy Anderson was another volunteer.
Journalist's Resource. Facebook Safety Check. This is resource page provides tools, information and interactive platforms for both emergency responders and those in need of assistance.
Forgot Password? Amateur Radio ham radio is a popular hobby and service that brings people, electronics and communication together. People use ham radio to talk across town, around the world, or even into space, all without the Internet or cell phones. It's fun, social, educational, and can be a lifeline during times of need.
This story is from April 28, With sophisticated tablet computers and smartphones and diverse social networking sites floating around the internet, getting in touch with friends and dear ones seems rather simple and convenient. But imagine a day when all terrestrial communications are snapped in the blink of an eye by a powerful earthquake.