sigint_tech_I_page_3

sigint | tech I page 3 | https://thedailydialectics.com/pdfs/sigint_tech_I/sigint_tech_I.pdf

Vertical’ Monopole. While the dipole is normally half che length of the wave to be intercepted, one of the most frequently used vertical antennas, the monopole, is usually one fourth the wavelength. This is possible because the ground acts as the lower half of the antenna, making the vertical…