Communications
When you are searching for a handheld radio scanner, you will find many different choices, including a digital radio scanner. Here are some basics that will help you decide if one of this type is right for you. A radio scanner, or police scanner as it is often called, is a receiver that can be […]
Key Benefits of a Digital Radio Scanner When Looking For a Handheld Radio Scanner Read More »
Radio communications have come a long way from the original concept derived by Marconi’s discovery of electro-magnetic radiation (radio waves). Marconi conceived that an electro-magnetic pulse, sent through the air, would create an electron flow (flux) when it passes through a non-ferrous metal source. Such an electron flow can then be amplified to create sound
Ham and CB Radio Communication – A Basic Primer to Two-Way Radio Read More »
If you live in or around a big city like Sydney or Melbourne, you will have traveled by train at some point in time. Most people would understand the basic concepts, like the signal is at green, the train arrives turning the signal red for a short period of time until the first train has
Using Broadband Technology for Mission Critical Train Radio Communications Read More »
A two-way radio is a device which transmits and receives voice signals through the air. They work somewhat like a telephone, but since they do not require a central network they can be used anywhere! With two way radios, two or more people can have a discussion no matter where they are — sometimes while
Two Way Radios : A Beginner’s Guide Read More »
The purpose of a radio signal is to carry information. In radio communications, two essential components make the propagation of a radio wave (which carries the signal) happen: a transmitter and a receiver. It is these elements that provide the signal the means to go from one place to another. Signals are modulated into radio
The Basic Elements of Radio Signals and Modulation Read More »
Radio broadcasting has a long history; one that goes beyond Tesla, Marconi and Armstrong, and it includes advances in communication and technology, as explained by Radio magazine. Some of the important dates from radio’s past are covered on the AmericanRadioHistory.com website. There, one can read about the earliest forms of radiotelegraphy systems. In fact, early
Radio Broadcasting’s Vital Role in Emergencies Read More »
