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FM radio signals travel somewhat directly to your radio from the radio station transmitting tower. Anything that comes between the two will interrupt reception. Going through a tunnel in a car...

Giving Christmas gifts is a wonderful American tradition. Despite critic's arguments, we LIKE to give Christmas gifts. It makes us feel good. This year, give a gift that is ecolologicically...

Clarion is a brand of multimedia equipment manufactured by the Clarion Corporation of America. Founded in Japan in the late 1940s, the company is now headquartered in Cypress, California. Clarion...

Old radios are readily available at flea markets and secondhand stores. These vintage machines offer an antique look for any classically decorated home. Unfortunately, when an old tube radio is...

FM radio signals are line-of-sight. The FM radio signal does not follow the curvature of the earth, as does the AM radio wave. Early FM stations broadcast in either a horizontal wave or a vertical...

Devices called "frequency counters" are used to measure the number of oscillations of various audio and radio signals. We are bombarded with hundreds of oscillating electromagnetic waves all the...

A Zenith vintage radio can be a great addition to your home to help create that classic look and feel. It is a conversation piece and can complete a room. But you need to find one first. This...

More convenient than CDs and the radio, MP3 players are one of the most popular methods of music playback among Americans. Because they are portable, these digital audio players can be slipped...

The Bose Radio provides high acoustic quality within a simple and small design. The high-performance stereo tuner comes with six AM and six FM station presets and provides input for additional...

CB radios with up to 40 channels get used by truckers, police, firefighters and emergency personnel. CB radios became popular in the 70s. The fad passed, but CB radios remain a popular audio item...

The quality of your FM radio signal is determined by the power of the station and the antennae Height Above Average Terrain (HAAT). Your radio's signal strength is determined by how far you are...

In order to fully receive all the HD radio stations available in your area, you'll need more than the cheap antenna that comes with the radio.

Many people will ask, what in the world is a WIFI radio? I found out about this new technology a few years ago and after doing a lot of research decided to take the plunge and drop two of my XM...

Have you ever seen an old radio but didn't know how old it was? If you know the type tubes in it you can get a general idea as to the earliest date it could have been manufactured. The following...

Though the initials have nothing to do with the words "high definition," HD Radio is similar to HD television, using a digital signal to provide consumers with improved quality and additional...

Everyone needs to know what time it is. Fortunately numerous clocks that are very accurate surround us. We have clocks in our cars, clocks on our phones, and even clocks on our microwave ovens. ...

AM radio listening can be an interesting hobby. Radio distribution conditions allow broadcasts in the AM frequency bands to travel long distances at night. With a good radio and a proper antenna,...

FM radio, one of the cultural explosion elements of the 1960s, came into its prominence in the 1970s. FM stands for frequency modulation, which described how the signal you receive in your radio...

Radio noise has been an annoyance to listeners since the advent of radio broadcasting. Otherwise known as white noise or static, the phenomenon is most noticeable on the AM band, which lies in the...

Buying a shortwave radio requires research to choose the best model based on your listening interests. Shortwave radios come with many different features and capabilities, from the casual radio...

This article will aid in the building of a VHF (Very High Frequency) Antenna used to aid in broadcasting or receiving radio frequencies 30 to 300 MHz.

NOAA Weather Radio (NWR) broadcasts a continuous stream of weather information through a nationwide radio station network. The network broadcasts official watches, warnings and forecasts generated...

The history of broadcast radio began in 1899 when Guglielmo "Bill" Marconi set up wireless communication between France and England. That opened the way to Lee de Forest's 1907 demonstration of a...

A radio, like any other electrical appliance, draws electricity for power. In a wind-up radio, this electricity is converted from the mechanical energy of a winding mechanism, which is basically a...

Adding an RF linear amp to your HAM radio setup is a inexpensive way to increase your reception and broadcast ability. Unlike adding an antenna, which requires that you own or purchase the land on...

Whether you're talking AM/FM radio or any of the many other devices that operate using radio waves, the basic science of radio technology is the same. A radio wave is a naturally-occurring...

Wireless speakers are an excellent purchase for the casual home theater enthusiast---all the sound without the ugly, hard-to-hide wires. Getting wireless speakers hooked up to a stereo system is a...

Radio antennas have been around for over a century, first used in the Swiss Alps in 1895. Since then, the antenna has developed into an integral part of modern technology. When listening to your...

The Bose series of Wave radios are consider the premiere line of consumer home audio players on the market. The Wave's compact design--speakers, receiver, amplifier and CD player integrated into...

Anyone who has ever loved a student radio station has faced the same problem: how to get better reception out of a bad transmission. Thankfully, building a homemade radio antenna is actually a...

A shortwave receiver receives modulated sound waves transmitted from a distant place. It's what we call shortwave radio in more generic terms. It lets one listen to any kind of broadcasted...

Radio works by transmitting radio waves, a form of electromagnetic radiation with a frequency below visible light, to carry information. Information is stored in radio waves by modulating one or...

Since the early 1900s, ham radio operators have been around furthering both radio technology through personal innovation as well as providing public service transmissions and serving as qualified...

In order to understand the particulars of FM radio, we must start with the basic science behind radio technology. Radio waves are capable of transmitting more than just sound. They are the basis...

An integrated amplifier may sound complex to the neophyte, but it's really a simple concept. Think about integrated amplifiers as stereo receivers without built-in radio tuners. The integrated...

Both AM and FM radio use electromagnetic radiation to broadcast sound information. Radio transmitters produce what is known as a carrier signal. A carrier signal is a high frequency signal on a...

Boom boxes have been delivering portable music since the mid-1970s. Because of a strong demand for music on the go or simply a smaller player for use in the home, the boom box--which goes by other...

There are many different types of radio receiver circuits, and all of them work in different ways. The primitive crystal radio receiver is so simple that it can be easily built by a child, while a...

An antenna at the most basic level is a device that collects or emits radio waves. It is made of electricity-conducting material that is tuned to the frequency of a radio wave so it resonates with...

Radio began the communication revolution. Unlike telegraphy, which linked two specially trained operators, or telephony, which linked only two speakers, radio had the potential to link millions to...

A radio is one of those inventions that would not go away, it would continue to evolve and be part of people's daily lives. One can easily be entertained and informed by listening to some music...

Digital radio varies from traditional radio because it has information encoded differently on its carrier waves. Amplitude modulation (AM) or frequency modulation (FM) radio tends to be...

Radio was the first invention in a revolution that has made it possible for anyone in the world to communicate with anyone else. The definition of a theory of electromagnetism by James Maxwell and...

Microwave ovens allow foods to be heated quickly and easily. This is done through the use of high-frequency microwaves transmitted through what is called a magnetron tube. These cause the...

The term "radio" generally refers to device that can either transmit or receive electromagnetic waves, like radio waves. Radio waves make up a small portion of what is known as the electromagnetic...

The basic radio is made up of two parts: something that transmits and something that receives. The transmitting device, be it a television show, a citizen ban radio or a remote control airplane,...

A clock radio can be an excellent way for you to enjoy your favorite stations in your bedroom as well as other rooms of the house. For many people, a clock radio is also a must-have for waking up...

A basic radio transmitter can come into handy during... WWIII, or Apocalypse I, or if you're stranded in the desert...alone. You never know what situation you may find yourself in where you need...

Audio is critical for non fiction television programming. If your viewers have to strain to understand what is being said or portrayed, you’ll lose them. Keep these pointers in mind:

Give your old radio new life! Take a look at examples of a vintage transistor radio and telegraph machine in this free vintage electronics restoration video.