NCScout: Directional Antennas For The Small Unit, Part 2

brushbeater

The use of Directional Antennas are the most basic way to improve communications security even if all you’ve got is a set of inexpensive radios. In Part 1 we talked about the theory of use and why they’re important to have for the dedicated RTO of a small unit. Sending your signal in one direction versus all directions does a couple of things for us- creates security through only sending a signal along the necessary path and second it greatly improves the range along that path. In this section we’re going to discuss the antennas themselves and how they work.

The Yagi

UHF Yagi in the field during the Advanced RTO Course.

Remember just a few years back when every house had those funny antennas on its roof? The ones you had a rotor (or if you were poor you had an set of big channel locks on the…

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