HAM Radio Communication

ABSTRACT

Ham Radio (amateur radio) is a popular hobby amongst electronics enthusiasts all over the world. Basically the hobby involves a person in making his own gear consisting of a receiver and transmitter or a transceiver (a receiver and a transmitter in one unit) after procuring a license from the Ministry of Communications. Various institutions with governmental help have come into being recently.

Throughout the history, amateur radio enthusiasts have made significant contributions to science, engineering, industry, and social services. The economic and social benefit derived from research by amateur radio operators has founded new industries, built economies, empowered nations, and saved lives

An amateur radio operator, also known as a ham or radio amateur, uses advanced radio equipment to communicate with other radio amateurs for public service, recreation and self-training. They enjoy a wide variety of applications as described above.

Amateur radio operators enjoy personal wireless communications with friends, family members, and even complete strangers. They support the larger public community with emergency and disaster communications. Increasing a person's knowledge of electronics and radio theory as well as radio contesting are also popular aspects of amateur radio.

In this article we basically concentrate on the various specifications as defined by the HAM operators such as the Transmitter, Receivers, amplifiers, and the oscillator circuits. The basic block diagram and the circuits have also been illustrated.

At various stages of the paper the applications and the diverse uses of HAM have been illustrated. The handy role of the HAM radio in various disasters management circumstances have also been provided.