Foundations Of Amateur Radio

Foundations of Amateur Radio Have you ever considered the infrastructure that exists to make it possible to tune to 7.090 MHz, call CQ and make contact with anyone on the planet? In a world where we as radio amateurs share spectrum with radio and television broadcasters, mobile phones, wireless networks, satellites, GPS, drones, wireless headphones, radar, boating, aviation, citizen band, garage door openers, fitness trackers and any other wireless gadget imaginable, not to mention radio astronomy, microwave ovens, meteorological aids, inter and intra car communication, autonomous cars, trains and more. The world clamours for spectrum and in among those allocations we find the amateur bands. There are 24 million odd people in Australia, a few normal people, but mostly odd and about 14000 radio amateur license holders, that's about 0.06% of the population. It's extraordinary that in the last 100 years of radio spectrum allocation we have access to the bands we have. It's easy to forget that in the rarefie