society > communication > telecommunication > radio communications > [noun] > signal (33)
a message communicated by radio; a group of radio waves transmitted or emitted by a source and potentially detectable.
Subcategories:
— types of (5)
— condition of having no signal (1)
— loss of signal (1)
— obstruction or poor reception (9)
— interference (14)
— reduction of noise level (2)