'Long wavelength radio waves' presentation slideshows

General License Class

General License Class. Chapter 7 Propagation. The Ionosphere. Regions Ionosphere The region of the atmosphere extending from 30 miles to 300 miles above the surface of the earth Solar radiation causes atoms in the ionosphere to become ionized

1.54k views • 137 slides

Wave Phenomena

401 views • 14 slides

Telescopes

Telescopes. Telescopes. Key Concepts What are the regions of the electromagnetic spectrum? What are telescopes and how do they work? Where are most large telescopes located?. Telescopes - Key Terms. Telescope Electromagnetic radiation Visible light Wavelength Spectrum Optical telescope.

329 views • 12 slides