Universal Use
Certain subparts of the VHF band have the same use around the world. Some national uses are detailed below.
- 108–118 MHz: Air navigation beacons VOR and Instrument Landing System localiser.
- 118–137 MHz: Airband for air traffic control, AM, 121.5 MHz is emergency frequency
- 144–146 MHz: Amateur radio. In some countries 144–148 MHz.
Read more about this topic: Very High Frequency
Famous quotes containing the word universal:
“It is remarkable what a value is still put upon wood even in this age and in this new country, a value more permanent and universal than that of gold. After all our discoveries and inventions no man will go by a pile of wood. It is as precious to us as it was to our Saxon and Norman ancestors. If they made their bows of it, we make our gun-stocks of it.”
—Henry David Thoreau (1817–1862)
“Although there is no universal agreement as to a definition of life, its biological manifestations are generally considered to be organization, metabolism, growth, irritability, adaptation, and reproduction.”
—The Columbia Encyclopedia, Fifth Edition, the first sentence of the article on “life” (based on wording in the First Edition, 1935)