If you really want to know what makes any wireless application work, it is the antenna. Most people working with wireless — radio to those of you who prefer that term — tend to take antennas for granted. It is just something you have to add on to a wireless application at the last minute. Well, boy, do I have news for you. Without a good antenna, radio just doesn't work too well. In this age of store/online-bought shortwave receivers, scanners, and amateur radio transceivers, your main job in getting your money's worth out of these high-ticket purchases is to invest a little bit more and put up a really good antenna. In this column, I want to summarize some of the most common types and make you aware of what an antenna really is and how it works.
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