What is the Dipole Antenna ?

In this section, the dipole antenna with a very thin radius is considered. The dipole antenna is similar to the short dipole except it is not required to be small compared to the wavelength (at the frequency the antenna is operating at). For a

Ham Radio Equipment and License

What is Ham Radio? Being a Ham radio operator is more of a hobby than a profession, in fact one of the conditions of getting license for ham radio is that it cannot be used for commercial, professional and money making purposes. So it all boils down to a hobby, which needs a te

How do you connect a receiver or transmitter to an antenna?

How do you connect a receiver or transmitter to an antenna? Simple - atransmission line . You are nodoubt familiar with transmission lines (sometimes abbreviated as tx lines).If you plug any electric device into a wall outlet, the wiresthat connect the wall outlet to the device is a trans

Exploring the Radio Frequency Spectrum

People are talking all around you, there voices being carried by the radio waves that fill our world. Would you like to know what they’re saying? Have you ever wondered what the numbers on your FM radio mean? Have you wondered what you could hear if you could somehow make your rad

The Secret to Public Radio’s Success

Almost everything is funded by advertising these days, or at least it seems that way. Public radio, however, remains advertising free and is thriving as an important part of American culture. Read this article to find out how public radio can succeed without advertising revenue. Acro

How to caculate the antenna Efficiency and antenna Gain

Here, we'll introduce two fundamental antenna parameters: antenna efficiency and antenna gain . Antenna Efficiency The efficiency of an antenna relates thepower delivered to the antenna and the power radiated or dissipated within theantenna. A high efficiency ante

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What's the difference between "dB", "dBm", an...

"dBi is the forward gain of an antenna. dBm is a comparison against watts / milliwatts. dB is a method - not a measurement standard. ----- FMUSER " "These are the basic theory about antenna, it might help you f

History of Radio - Who Invented the Radio?

The question as to who invented the radio does not have a specific answer. There have been numerous theories and patents filed for credits. In case of the discovery of the radio, one fine understanding is that many theories and principles went into a complet