Main article: History of amateur radio An amateur radio station in the United Kingdom. Multiple transceivers are employed for different bands and modes. Computers are used for control, datamodes, SDR and logging. The origins of amateur radio can be traced to the late 19th century, but amateur radio as practiced today began in the early 20th century. As with radio in general, amateur radio was associated with various amateur experimenters and hobbyists.
Sites for Checking Signal Propagation and Band Activity
Organization[ edit ] While all hams have some emergency communications capability, those who are particularly interested in the public service aspects of the hobby usually affiliate with an organized group for disaster specific training, quick mobilization and to practice emergency skills. These major organizations include: Our focus is to support the public in the event of crises when conventional communication systems fail. Many of our members are volunteers in organizations such as the Austrian Red Cross, Civil Defense, fire brigades, military and related institutions. For instance, one of the 5 mirror-redundant Winlink common message servers is located in Vienna.