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All it takes is one really good-sized crisis and suddenly individuals are left without the means to call home and say, "I'm okay." Whether it's a weather disaster, riots, a terrorist...
A shortwave radio is similar to an AM/FM radio in that it has a tuner knob or digital tuner keypad. You can sometimes play with the tuner until you find something you like. Oftentimes, however,...
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. ...
Billions of radio signals echo through the earth's atmosphere. Shortwave listeners know that hours of entertainment and excitement await them at the turn of a knob.
Earth's atmosphere teems with millions of radio signals. A simple shortwave receiver allows us to tune in to a world of fascinating information. It's a treasure hunt on the airwaves.
Teaching world geography is exciting using a shortwave radio, because you will be able to hear LIVE broadcasts from most countries in English or other languages. I have used this that most of...
Shortwave receivers are an excellent source of media from around the world as well as a way to tune in to an array of amateur communications. Shortwave receivers have become increasing smaller...
AM radio refers to a certain style of broadcast that has been around since the early 20th century. AM radio uses a very simple amplitude frequency that produces long-range, but low-quality,...
Vintage shortwave radios are sought after by collectors for several reasons. Some individuals wish to own these radios because of their historical value, while others like them for their...
Dipole antennas are composed of two parallel wires. The wires produce a magnetic field that attracts the electrons being broadcast from another antenna. The open circuit of the two parallel wires...
Crank shortwave radios are popular. They combine portability and versatility, and, best of all, they don't require batteries. They're excellent to keep around the house for emergencies, and also...
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...
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...
A shortwave radio can be extremely useful during emergency situations such as power outages, hurricanes and tornadoes or when other security issues arise. They can help you keep in touch with the...
Using Global Positioning Systems can be a fun way to navigate in an unknown area. Emergency rescuers, adventurers and extreme skiers all use this technology to make their way around their hobbies...
Shortwave radio is still alive and kicking. Because shortwave bounces off the upper atmosphere rather than slicing through it, shortwave broadcasts in theory can reach locations around the world....
Just above the standard AM band to 30mHz is the realm of shortwave that buzzes with news, political propaganda, spies and much more. Provided there's enough power and the ionospheric conditions...
Heat has been used for centuries to facilitate healing in the treatment of injuries. Physical therapists use various types of heating equipment to assist in the treatment of their patients based...
Solar powered shortwave radios are a convenient and Earth friendly way to stay connected with what is going on locally. These radios enable you to play them without having to use sources of energy...
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...
Much of the world is still not wired for the Internet and is far enough away from cellular towers that digital cellular data communications are either unavailable or unreliable. And satellite data...
Sometimes bad things happen to good people. Various levels of government are too busy dealing with larger issues during a disaster. It is up to the individual to take care of himself or herself...
The Hallicrafters Company produced some of the most desirable amateur communication radios of the 1930s, '40s and '50s. Hallicrafters produced the classic SX-28, SX-42 and SX-101 communication...
Before the Internet and satellites, the world communicated via shortwave radio. Even today, with all of the high-speed communication options available, shortwave is still a popular medium for...
Shortwave radio is a fascinating hobby where a listener (DX'er) can pick up radio broadcasts from the other side of the world. While many of today's shortwave radios have decent antennas and can...
Even in this age of high speed Internet and satellite communications, shortwave radio is still an important communications medium in many countries. Setting up a shortwave listening post and...
EGR stands for European Gospel Radio. Based in Milan, Italy, EGR is a Christian, non-denominational, non-profit, international public service radio station that offers members the opportunity to...
Rocks and minerals exist in a number of forms. One of the more interesting and visually stunning varieties are fluorescent rocks. These rocks glow various colors under a black light. They are...