- In the Galvin Manufacturing Company received a contract from the War Department to develop a portable, battery powered voice radio receiver/transmitter for field use by infantry units. Nearly of the units were produced during the course of the war.
The American Special Forces use their own type of new generation squad based radio technology known as wideband tactical communications networks. This lets soldiers call, text, or video conference from anywhere in the world.
How to Build Several Easy Antennas for Amateur Radio. Amateur Radio has been a supreme way of communications for many ways of getting messages from one place to another for decades! Many antennas have been invented simply by necessity.