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  • Copyright © 2023
  • by Neil Herber
  • VE3PUE

The History of Radio

Ham Radio has a long tradition in STEM

We go back to the 1590s ...

Modern "wireless" is born ...

This timeline is courtesy of Antenna Physics: An Introduction by R Zavrel, Jr. W7SX

Since the first transatlantic message 122 years ago radio has been refined immensely. From a room full of equipment radio transceivers are now, well the size of your cellphone. We started out using on off keying (Morse Code), then voice transmissions came along followed by Single Side Band voice operations, video, stereophonic sound and then various modes of digitally encoded voice, video and data.

Page last modified on October 10, 2023, at 09:41 PM