
sigint | tech I page 5 | https://thedailydialectics.com/pdfs/sigint_tech_I/sigint_tech_I.pdf
j+50 USC 403 36-36 Waveguide Antennas A group of antennas important to the microwave range has developed out of waveguide technology. A waveguide is basically a transmission line consisting either of a hollow tube within which electromagnetic waves are propagated, or of a nonconducting material…