|
Using a chart and/or text list of the US Radio Frequency Allocation from the US Department of Commerce, and information on the electromagnetic spectrum from NASA, do the following: – Electromagnetic Spectrum PDF A. Define:electromagnetic radiation : set of waves of an electromagnetic (EM) field, which propagate through space and carry momentum and electromagnetic radiant energy (Wikipedia) frequency: most often measured in hertz (symbol: Hz), is the number of occurrences of a repeating event per unit of time. (Wikipedia) radio frequency (RF) : is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency range from around 20 kHz to around 300 GHz (Wikipedia) spectrum: a condition that is not limited to a specific set of values but can vary, without gaps, across a continuum (Wikipedia) B. Draw your own spectrum chart showing at least the following frequencies: human hearing (audio) |