Shortwave radios have been in use for nearly 100 years. These radios connected people over great distances long before other means of communication evolved.
Today many people still enjoy listening to broadcasts on this set of frequencies to hear talk radio, emergency broadcasting and other material throughout the world. Finding a shortwave radio that meets your needs involves understanding several facets of this technology.
How to Increase the Range of a Radio Scanner
There’s an unseen world of radio communications going on in your area, 24 hours a day. From construction crews to passing truckers and emergency services to aircraft, radio signals are used for a wide range of purposes.
Using a scanner to monitor radio frequencies can be a fascinating hobby, or a convenient way to keep track of your own company’s operations. Unfortunately, a scanner’s reception is sometimes limited by the supplied antenna and other factors.
What Is the Difference Between Internet Modem Router Ranges N, G, B, A?
Networking through traditional Ethernet cables is reliable and effective, but long runs of networking cable aren’t a practical way for most consumers to access the Internet or share printers.
By the late 1990s wireless networking using a Wi-Fi standard began to make networked computing easy and accessible for everyone. Routers using several versions of the 802.11 wireless standard are available, with differing speeds and ranges. Understanding the differences can be important when you’re in the market for a new router.
RFID Technology Disadvantages & Alternatives
Radio frequency identification systems tag items with small antennas and electronics, allowing nearby readers to track their movements via radio waves. These RFID systems are especially useful for quick identification of the contents of a shipping pallet, inventory on a shelf in a warehouse, and for secure checkout.
While the technology has many benefits, industry groups and suppliers of competing technologies have highlighted some disadvantages, and are working to develop alternatives that address these issues. Other technologies are often better suited for specific applications.
More Shortwave & Multiband Radios Picks
Wireless devices are increasingly common — In fact, there were 331.6 million wireless subscriber connections in the United States at the end of 2011 — more than the entire U.S. population, according to CTIA, the International Association for the Wireless Telecommunications Industry.
The traditional cell phone grid is not the only type of wireless network, however. Since the introduction of digital cell phones in the 1990s, a variety of network formats have been developed. Users can choose from several wireless access methods to talk, text, and connect to the Internet.
As the pressure to pass standardized tests increases, even preschools are spending more time on strictly academic subjects. Instead of a general introduction to the alphabet, many preschools include a ...Read More
Just because your little learner's lead teacher makes it look easy, doesn't mean that acting as an early childhood educator is simple. Teaching preschool age children requires highly specialized training ...Read More
The best time to send your child off to school depends largely on whom you ask. Proponents of starting kindergarten as early as possible believe it gives a child a ...Read More
Your little one may face a culture shock in daycare if your Christian values prevent him from doing things that are common in many daycare centers. That does not mean ...Read More
In the world of foster care and adoption, when it comes to siblings, keeping them together is always the first choice. Even though in your mind, you see yourselves all ...Read More
Most parents adore that toothless gummy grin, but whether you like it or not, teeth begin to surface as your baby turns around 6 months old and his first milk ...Read More
You can use the camera on your iPod Touch to take VGA-quality photos and store them on the device, but you can also transfer high-quality photos from your computer to ...Read More
Because it's not enough that your preschooler or kindergartner can build an amazing sand castle and (almost) tie her own shoes -- now you have to worry about her math ...Read More
While an early educational program might not ensure that your preschooler is Harvard bound, it can help her to learn better. Whether you are looking to build on a specific ...Read More
In the beginning of the PC revolution, when monitors where often 12 to 14 inches in size, using your keyboard directly in front of the screen was not an option; ...Read More
Instilling self-control by establishing and sticking with rules is the name of the game when it comes to reigning in misbehaving toddlers and preschoolers. Self-control -- something many adults could ...Read More
As the mom of a toddler or preschooler, you are probably well acquainted with the magic of dipping. There's just something about dunking her meal that can get even the ...Read More
Potty training is a normal part of every child's physical and emotional development, but not every child develops at the same pace. If your child is resistant to potty training ...Read More
The grief that accompanies parental death can trigger psychological side effects for your child. If these psychological effects are long term or if they interfere with your child’s emotional or ...Read More
According to the Encyclopedia on Early Childhood Development, 80 percent of children living in the United States have at least one sibling. Many children have more than one sibling, and ...Read More
There are a number of psychological tests used to measure intellectual ability in children, but there are a limited number that are available for preschool-aged children. Although measurement of skills ...Read More
Toddlers are curious by nature. Young children in the toddler stage are discovering their independence and are interested in exploring the world around them. However, their exploration can lead to ...Read More
You don't have to break the bank to throw your little one a top-notch bash. Free or low-cost places such as public parks are creative alternatives to the more pricey ...Read More
If you're looking for a fun activity for you and your preschooler, (and an unforgettable party treat) these puppy cupcakes are sure to please. If you want to get creative ...Read More
Sensory play activities are enjoyable and educational for your toddler or preschooler. You're encouraged to join in the fun but expect to get your hands messy! Any pastime that stimulates ...Read More