The American Radio Relay League or ARRL is a group of people that partake in radio signaling as a hobby or for other reasons. They printed this massive and comprehensive tome known as The ARRL Antenna Book. As it says on the cover, this book is the ultimate reference guide to Antenna systems.
As with all good books on technical matters, The ARRL Antenna Book opens with Safety. It has several precautions that you should follow when dealing with antenna systems and other things. The first thing I thought upon reading this book was that it was very informative. It includes a section on how certain frequencies of radio signal can damage flesh and cause burns or cataracts. In my naivety, I thought that radio signals didn’t have enough power to do that. I thought that you had to get up to microwaves for that to happen.
So this book covers both the theoretical and practical side of managing an antenna system and an amateur radio station. It contains important advice on not going for economy bargains when it comes to your equipment. It also contains equations that figure topics like how to calculate the reflection coefficient for different types of soils and fresh or saltwater. It utilizes Ohm’s Law and other practical applications to figure out resistance through coaxial cables and other things.
The book lost me at some points due to the technical jargon that they used, but a quick internet search brought me up to speed with that. For example, you may chuckle at the fact that I didn’t know what was meant by QTH and DXing. The book is packed with graphs, charts, and other pieces of information showing specific situations with antenna systems.
I took this book out of the library since it appeared to be interesting. I was correct in that sense, but as I mentioned with the jargon it became a bit of a wall to climb for understanding. On the other hand, the book contains a glossary of terms and abbreviations. I don’t plan to make my own amateur radio station any time soon since it is quite expensive. However, the theory of antenna systems was top-notch stuff. It was very well done and interesting. This particular copy is the 21st edition, which was printed in 2007, but I didn’t really notice anything too out of date. On the other hand, other reviewers pointed out that it is US-centric, which can only make sense since it was printed in the United States.