Since 1959, when the Class "D" Citizen Band was allocated, The evolution of CB has gone through many changes. Built in the USA, tube radios were expensive, yet simple. With only 23 Channels controlled by using a number of crystals, these early radios provided a hobby for some, and an emergency back up communication system to many U.S. citizens.

As technology improved, and the cost reduced, the CB grew into a booming industry. CB radio has developed into a low cost, and still effective, means of communication that has survived for 50 years. Read the rest of this entry »

Here’s a little Jeopardy trivia for you beneath the category of MINERALS and Lithium Stocks . This soft, silver-coloured,  reacts with water "it explodes", and is also magnetic and is actually found in brine, and also igneous rock.  . Discovered in 1817 by Swedish chemist Johan Artwedson, who isolated it as a salt, it was a 7-Up soft drink ingredient until 1950 and is today a common pharmaceutical prescribed to treat mental illnesses such as depression and bi-polar disorder.

It is used in air conditioning and industrial drying systems, is caustic, poses a gamble to unborn and breastfed babies and is in many batteries, ceramics, lubricating greases, optical glass and thermonuclear weapons.

If you answered “What is lithium?” you are correct and qualify to bypass the rest of this article. If on the other hand, you’d like to know more about lithium trends and future forecasts, you may proceed to the next level. Read the rest of this entry »

Author Rick Lewis - Cobra CB Radio Blog
Visit Rick's website at TheCBdoctor.com

In 1957 Congress authorized The Federal Communication Commission to create a citizen band radio service. The FCC or" UNCLE CHARLIE" took the lower portion of the 10 meter recreational band and created a very restrictive class "D" Citizens Band starting at 26.965 MHz, as channel "1" and ending it with channel "23" at 27.255 MHz.

Except for channel 23 each channel was given a 5 kHz bandwidth with a 2.5 kHz bandguard on each end of the Bandwidth for a total of 10Khz between each channel or 10,000 Hz.

The mode of transmission chosen was "Amplitude Modulation" or "AM", with a carrier or "DEAD KEY of 4 Watts and a Peak Envelope Power or PEP of 12 watts. SSB was allowed with a maximum output of 12 watts.

Five "RC" or Remote Control channels were reserved primarily for remotely controlling model cars and toys. These channels were not
allowed to remotely control model aircraft due to the fact that interference of the signals may cause the model aircraft to go out
of control and injure people and damage property. Read the rest of this entry »