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  2. Electromagnetic spectrum - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_spectrum

    A diagram of the electromagnetic spectrum, showing various properties across the range of frequencies and wavelengths. The electromagnetic spectrum is the full range of electromagnetic radiation, organized by frequency or wavelength. The spectrum is divided into separate bands, with different names for the electromagnetic waves within each band.

  3. File:Electromagnetic spectrum diagram.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Electromagnetic...

    English: Figure 1-4 Electromagnetic spectrum diagram from The Army Institute for Professional Development, Principles of Radio Wave Propagation. February 2005, Number SS0130 Edition B February 2005, Number SS0130 Edition B

  4. File:EM Spectrum Properties (Amplitude Corrected, Bitmap).png

    en.wikipedia.org/wiki/File:EM_Spectrum...

    Date/Time Thumbnail Dimensions User Comment; current: 21:43, 3 September 2023: 1,616 × 939 (201 KB): BalalaikaMaster: A diagram of the electromagnetic spectrum showing the type, wavelength (with examples), frequency, and black body emission temperature, with corrected amplitude, as a bitmap PNG.

  5. File:EM Spectrum Properties edit.svg - Wikipedia

    en.wikipedia.org/wiki/File:EM_Spectrum...

    In the above graph, the first bar is a key to the electromagnetic radiations that either, don't or do penetrate the earth's atmosphere. Y is for yes and N is for no. Y is for yes and N is for no. Although some radiations are marked as N for no in the diagram, some waves do in fact penetrate the atmosphere , although extremely minimally compared ...

  6. Radio spectrum - Wikipedia

    en.wikipedia.org/wiki/Radio_spectrum

    Radio waves are defined by the ITU as: "electromagnetic waves of frequencies arbitrarily lower than 3000 GHz, propagated in space without artificial guide". [5] At the high frequency end the radio spectrum is bounded by the infrared band. The boundary between radio waves and infrared waves is defined at different frequencies in different ...

  7. Category:Electromagnetic spectrum - Wikipedia

    en.wikipedia.org/wiki/Category:Electromagnetic...

    Print/export Download as PDF; Printable version; ... Pages in category "Electromagnetic spectrum" The following 30 pages are in this category, out of 30 total.

  8. Frequency allocation - Wikipedia

    en.wikipedia.org/wiki/Frequency_allocation

    US frequency allocations chart, 2016. Frequency allocation (or spectrum allocation) is the part of spectrum management dealing with the designation and regulation of the electromagnetic spectrum into frequency bands, normally done by governments in most countries. [1]

  9. Electromagnetic radiation - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_radiation

    Electromagnetic radiation is commonly referred to as "light", EM, EMR, or electromagnetic waves. [2] The position of an electromagnetic wave within the electromagnetic spectrum can be characterized by either its frequency of oscillation or its wavelength. Electromagnetic waves of different frequency are called by different names since they have ...

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