In telecommunications, radio silence is a status maintained where all fixed or mobile radio stations in an area stop transmitting. In this sense, "radio station" means anything which transmits a radio signal. It is generally applied to the military, where a radio transmission may give away a troop's position to the enemy — either audibly from the sound of talking, or by its use as a homing signal. Telecommunication is the extension of communication over a distance. ... A radio station is a site configured for broadcasting sound. ... A signal may refer to: an abstract element of information, or, more exactly, usually a flow of information (in either one or several dimensions). ... In communications, transmission is the act of transmitting electrical messages (and the associated phenonomena of radiant energy that pass through media). ... A troop is a military unit, which can have different meanings depending on the country in which it is used. ... The word position can have one of several meanings: 2-dimensional or 3-dimensional location; Occupation, Job In finance, a position means entitlement to receive or obligation to deliver an asset or financial instrument, as in long position (ownership) and short position (obligation to deliver); In politics and government a... An enemy or foe is a relativist term for an entity that is seen as forcefully adverse or threatening. ... A schematic representation of auditory signaling Sound is vibration, as perceived by the sense of hearing. ... Speech: (n. ...

In the U.S., CONELRAD was also a way of maintaining radio silence, mainly in broadcasting, in the event of an attack. This occurred after Japan bombed Pearl Harbor in World War II, having used AM radio station KGU in Honolulu as a homing signal. For other uses, see United States (disambiguation) and US (disambiguation). ... CONELRAD (Control of Electromagnetic Radiation) was a planned method of emergency broadcasting to the public of the United States in the event of World War III. It served two purposes; to prevent Soviet bombers from homing-in on American cities by using broadcast stations as beacons, and to provide essential... Note: broadcasting is also the old term for hand sowing. ... In military science, an attack is the aggressive attempt to conquer enemy territory, installations, personnel, or equipment or to deny the enemy the use of territory, installations, personnel, or equipment, for example by destroying the equipment. ... This article is about explosive devices. ... Satellite image of Pearl Harbor. ... Mushroom cloud from the nuclear explosion over Nagasaki rising 18 km into the air. ... Honolulu as seen from the International Space Station Honolulu is the largest city and the capital of the U.S. state of Hawai‘i. ...

Radio silence can also be maintained for other purposes, such as for highly-sensitive radio astronomy. Microwave image of 3C353 galaxy at 8. ...

See also: guard band A guard band is a small part of the radio spectrum in between radio bands, for the purpose of preventing interference. ...