The success of the three previous editions of practical antenna handbook has been most gratifying. Orr news newspapers books scholar jstor february 2017 learn how and when to remove this template message. The history of the quad is succinctly told in the orr and cowan book on cubical quad antennas pp. Reliable information about the coronavirus covid19 is available from the world health organization current situation, international travel. All about vertical antennas by william i orr, stuart d.
Other factors are material related boom length, and number of elements. The cubical quad antenna likely got its name from the appearance of. Orrs most popular book is all about cubical quad antennas. Chapter i the story of the cubical quad antenna the. The biggest difference in antenna gain in a yagi antenna or a cubical quad for that matter is boom length period. No part of this book may be reproduced or transmitted in any form, by. The arrl website also has a number of other articles on the topic. Monster quads, mini quads, quad vs yagi,new designs. This wellknown classic on quad theory, design, construction, and operation has been updated to include new quad designs, new dimension charts, additional gain figures, and much more. All about cubical quad antennas the famous handbook on quad theory, design, construction and operation addeddate 201802.
Everyday low prices and free delivery on eligible orders. Direct feed and tuning the antenna to resonant frequency gives the most optimal performance. Another excellent publication is by bill orr, w6sai sk entitled all about cubical quad antennas. Fourth edition, is an update of the most popular book on antennas ever written. This wellknown classic on quad theory, design, construction, and operation has been updated to include new quad designs. Buy all about cubical quad antennas by william i orr, stuart d cowan photographer online at alibris. Clerks in radio stores told me that this book was outselling other titles 2. This empowering guide blends theoretical concepts that engineers need to design. However, in this book, the older and more common terms, cycles, kilocycles and megacycles are used. Ruckert invented the monoloop triband cubical quad. Orr is the author of all about cubical quad antennas 4.
But if you want only a single antenna as a monobander or a multibander, the cubical quad is very tough to beat. On more about cubical quad, when somebody asks if the quad listen better than the yagi, author answers he is agree. All about cubical quad antennas the famous handbook on quad theory, design, construction and operation addeddate 20180207 17. It is stored in the garage with hopes of some day actually getting it in the air. High performance cubical quad antennas 3rd edition by. You can also consult the arrl handbook or the arrl antenna book. Years ago i built the spider out of pipe and angle iron but never got the material for the spreaders. Ive got william orrs w6sai and stuart cowans w2lx all about cubical quad antennas book which its a good book about quads but there has been a lightning bolt 212428 mhz 2 elements quad here in use about a couple of years ago so i saw with my own eyes how good antennas quads are. All about cubical quad antennas, the famous handbook on. Full text of all about cubical quad antennas internet archive. There are plenty of other good sources of information on this, starting with wikipedia.
The article, update on the pfeifer quad system, appeared in the september 2001 qst. According to bob heil in his book, heil ham radio handbook, there were articles in qst and cq magazine showing how to build a 10 meter quad. Bill orr does a great job on the description, details, and history of the cubical quad. This is because the yagis all have pointed sharp element ends, these protruding elements create a large voltage differential between the ends of the antenna and. In 1960 rudolf baumgartner patented the swiss quad. Browse the amazon editors picks for the best books of 2019, featuring our favorite reads in. More antenna material means more capture area is in the air. Both quiet and efficient, the quasar quad experience has lower noise than a traditional yagi antenna due to its fundamental tube design. There on the floor of our bamboo cottage we spread open all the reference books we had brought with us and worked for hours on basic antenna design. The paperback of the all about cubical quad antennas by william i. In the design of cubical quad antennas there are several competing goals or constraints that control the final results. Over time, cubical quads lost some of their popularity but recently new hams have rediscovered them and they are becoming popular again.
All about cubical quad antennas the famous handbook on quad theory, design, construction and operation topics. All about cubical quad antennas this is the full book by william orr. Cubical quad antenna antennas radios amplifiers baluns. History of cubical quad as reported by w6sai and w2lx in all about cubical quad antennas, radio publications inc. All about cubical quad antennas, the famous handbook on quad theory, design, construction and operation paperback january 1, 1978 by stuart d. One of the best known books on construction of quad antennas. Highly recommend even if you do not build your own. The famous handbook on quad theory, design, construction and operation. Why is it time for you to purchase a quasar quad antenna from radiowavz.
Oclcs webjunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus. Three important ones are forward gain, front to back ratio, and source impedance. Over a period of 40 years orr wrote and edited scores of technical books and articles of interest to amateur radio enthusiasts. They confirmed that the types of people who buy the book meet the profile above. This is no longer mentioned about the cubical quad in the arrl, but deserves mentioning. All about cubical quad antennas by william i orr, stuart d. The statement often made is a single quad element has 2 db gain over a dipole, and that 2 db gain difference carries over into arrays of quad. It has plans for a 3 band spider quad with a boom that is just 2 long. In 1957 james sherriff mccaig patented what we know as a cubical twoelement multiband quad antenna.
Unfortunately yagi antennas especially ones high on towers are susceptible to precipitation static. Since its first introduction in the 1940s, the quad antenna. Cowan is the author of all about cubical quad antennas 4. I do not intend to go in depth into the quad antenna. This wellknown classic on quad theory, design, constructi. A cubical quad antenna is a four sided, square version of a folded dipole.
Numerous and frequentlyupdated resource results are available from this search. For a complete history and technical information about the quad, one should read the book, all about cubical quad antennas, by william i. The cubical quad or quad antenna has traditionally not been as widely used as its more popular cousin the yagi. There are many quad antenna designs in the world of ham radio but for me. There are no shortage of old school yagi guys who will come up with some arcane nonsense as to why a quad isnt that good, and that would be because they never had one. No matter what kind of voodoo the antenna designer or manufacturer promises you, antenna boom length is the be all, end all of antenna db gain. The uniqueness of the tey quad design is in have no capacitance or inductive matching networks that cut down on the efficiency of the quad. Meaning youll have a better chance of hearing someone on a quad antenna versus a yagi antenna, and this isnt considering the noise advantage of the cubical quad which i will speak about a bit later. In 1947, cubical quads began gaining popularity with amateur radio operators. Quad is a quieter antenna not really for its capture area but for the closed loop configuration.
It was with surprise and delight that i noted that clerks in one radio. Lightning quads if you cant be bothered building your own then lightning quads sell them already made. His topics ranged from basic electronic theory to microwave communications to the theory, design and construction of antennas. William bill ittner orr 19192001 was an engineer, educator, and communicator. All about cubical quad antennas by william i orr, 9780933616035, available at book depository with free delivery worldwide. Born in the south american jungle two decades ago, the cubical quad antenna has caught the interest of amateurs the world over, and in a few short years has taken its place alongside the more sophisticated antenna arrays conceived in the electronic laboratories of the world. Orr, 9780823087037, available at book depository with free delivery worldwide. The cubical quad antenna likely got its name from the appearance of early 2element versions of the array.
If we look at antenna books and articles about quad antennas, we will often find references to quad antennas having 2 db gain over a comparable boom length yagi antenna. Buy all about vertical antennas by william i orr, stuart d cowan online at alibris. See if you can find a copy of bill orrs w6sai book all about cubical quad antennas. However the cubical quad beam antenna is able to provide some advantages in a number of circumstances. Hygain big gun 2 the full instruction manual for the hygain 4 element quad, perhaps one of the most legendary cb antennas ever built. Every element of a cubical quad antenna is a full wavelength long. This information is also confirmed by bill ore in his book all about cubical quads. An illustration of a computer application window wayback machine an illustration of an open book. A fiveelement quad antenna for 2 meters by jim reynante. All about cubical quad antennas out of printlimited availability. Primarily used william orr w6sai all about cubical quad antennas book for info and guidance on building the antenna. This is must read for anyone building their own antennas. Buy a cheap copy of all about cubical quad antennas book by william i. Learn how and when to remove this template message.