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The book covers all the basic antennae theory and types to topics ranging to radar design.
This is a must have for any RF design engineer.
Since most of the RF jobs in US are with defense and companies like Lockheed Martin and you have to be US citizen to get such jobs, I had to opt for computer networks for graduate studies in US, otherwise I'd have ended up as a RF designer myself.
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I highly recommend this book to anyone who wants an introduction to how AM broadcast antenna arrays work. The book can also be a help to those who are educated in electronics, but haven't explored this area in depth.
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I get the uneasy feeling, however, that Carr may not be a true antenna expert. For one thing, I am not aware that he writes research-level papers on the subject. Moreover, his book has hints of what appears to be his disdain of the mathematical approach. These two things do not really bother me. What is more significant, however, is that he seems to have made some fundamental errors. For example, on page 127 he describes a vertical wire with the current going up. If you look DOWN into the wire, you will see concentric circles of the magnetic field about the wire. Whereas Carr says the circles will appear clockwise (left-hand rule), all my other books say they will appear counterclockwise (right-hand rule, from the Biot-Savart law). For example, page 82 of John Kraus's Electromagnetics With Applications (Fifth Edition) says that the circles are counterclockwise. Kraus is a famous expert on antennas, and has been awarded IEEE's Thomas Edison gold medal and Heinrich Hertz gold medal. See also page 136 of Schaums Outline, Electromagnetics, Second Edition, which agrees with Kraus.
I am not an expert on the subject, so I may be wrong in my analysis. If indeed Carr has made a mistake, that mistake is not a typo error (he calls it the left-hand rule and the diagram shows a left hand) but is a basic misunderstanding of the subject. It is almost like saying that electrons are positively charged, or that the electric field is the positive gradient of the electric potential.
On the other hand, ARRL's book gives me the assurance that it was written by experts. That reassurance is important to me, a non-expert on the subject.
Anyway, the subject of antennas is too vast for any one individual to cover comprehensively, simply because each antenna type requires a lot of time for analysis and experimentation. Hence I prefer ARRL's multi-author approach (with technical checks and balances) to Carr's one-man approach. Moreover, Carr contains no bibliographical references, whereas ARRL provides you with tons of references for further reading.
I am still giving Carr's book four stars because it is full of helpful information and genuine insight into antennas. Carr is an antenna veteran who explains things better than most experts do.
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