Marine antennas for boat vhf radios and more fisheries supply. The new version of the iaru region 1 vhf handbook 7. Zimbabwe amateur radio society library service list of books. Bill orr was one of ham radios most respected authors, known for his easytounderstand, downtoearth, writing. Many antennas are based on halfwave dipoles fabricated from wire or. H5anx mk4 delta loop design by sajid rahim email h5anx bophuthatswana, zs6ew and a22ew antenna background this antenna design was brought about by a need to have a simple effective and. On6mu home made vhf 58 vertical antenna for radioamateurs. The success of the three previous editions of practical antenna handbook has been most gratifying. Dipolescollinear arrays by their nature do not need a groundplane. The arrl antenna book for radio communications is a single resource covering antenna theory, design and construction, and practical treatments and projects. The new edition of this popular book, a must for the serious dxer, presents complete information on beam design, construction, and operation, and describes tests to detect if a beam is working properly.
Marine antennas for boat vhf radios and more fisheries. Raymond mack and jerry sevick w2fmi sk, sevicks transmission line. About vhfuhf yagi antenna design the resource is currently listed in in 2 categories. This book focuses entirely on active and passive receiving antennas and their associated circuits special member price. The vhf dipole antenna at vhf and uhf, most antenna systems are derived from the dipole or its complement, the slot antenna. The radiation pattern of antenna depends on antenna gain, so the higher antennas gain, the more concentrates transmitting power or focuses radiating power. In keeping with this tradition, rather than filling nearly 200 pages with theory and complicated diagrams, bill and cq have produced a thoroughly practical text for any antenna enthusiast, jampacked with dozens of inexpensive, practical antenna projects that. Antenna modeling the availability of antenna modeling software has provided an excellent tool for predicting antenna per. Here, youll find links for books on amateur radio covering hf vhf uhf. Hall the arrl antenna book the american radio relay league inc. In that pursuit, using computer modeling, i soon discovered that depending upon what vehicle was used made a noticeable difference in performance sometimes profound.
Understanding antennas for the nontechnical ham by n4ja. Vhfuhfmicrowave designs, and mobilemaritimeemergency antennas author. Pretty much all of the antenna manufacturers now produce ais tuned. Arrl vhfuhf antenna classics ham arrl short antennas for. In keeping with this tradition, rather than filling nearly 200 pages with theory and complicated diagrams, bill and cq have produced a thoroughly pratical text for any antenna enthusiast, jampacked. A portal that hams think of as the first place to go for information, to exchange ideas, and be part of whats happening with ham radio on the internet. To build the largest and most complete amateur radio community site on the internet. Less commonly available from catv companies is the 34inch 75. This cd is jampacked with dozens of inexpensive, practical antenna projects that work. Raymond mack and jerry sevick w2fmi sk, sevicks transmission line transformers. As the ends appear to be folded back, the antenna is called a folded dipole antenna.
Understanding antennas for the nontechnical ham by n4ja an. In addition, specific models mentioned in the ham radio forum like antenna books,amateur radio, shortwave, scanning, antenna building, if you are learning or building we sell what you need, and more are here for future reference. In addition, specific models mentioned in the ham radio forum like antenna books,amateur. Many antennas are based on halfwave dipoles fabricated from wire or tubing. Collinear arrays are used to increase gain in some antennas. Bill orr was one of ham radios most respected authors, known for his easytounderstand, downtoearth, writing style. Second aspect concerns antenna gain value of dipole vhf antenna to the antenna gain. The radiation pattern of antenna depends on antenna gain, so the higher antennas gain, the more concentrates. The main category is antennas for vhf uhf bands that is about antennas for vhf and uhf radio bands. This makes a loop of wire that is a short circuit to dc.
This book is one of a series designed to help anyone who wants to construct. Simple halfwave dipoles eliminate the need for a matching. May 27, 2016 the new version of the iaru region 1 vhf handbook 7. A cubical quad antenna is a four sided, square version of a folded dipole. This book contains everything you need to understand how radio signals propagate, how antennas work, and how to construct your own antenna system. Andy barter, g8atd the vhfuhf handbook is the guide to theory and practice in the vhf and uhf bands the vhfuhf handbook is packed with content from around the world. Arrl antenna book ham arrl antenna compendiums ham arrl antenna designers notebook ham arrl antenna physics. In 1947, cubical quads began gaining popularity with amateur radio operators. Most vhf antennas are designed to give maximum gain across the whole vhf frequency range centred on channel 16 156. Design and construction of vhf antennas and transmitting and receiving equipment for the radio amateur. Arrl antenna book 23rd softcover edition the ultimate reference for antennas, transmission lines and. Com ham radio classified ads swap amateur radio hf. Simple halfwave dipoles eliminate the need for a matching system because a resonant halfwave dipole has an impedance near 50ohms. See all formats and editions hide other formats and editions.
Clerks in radio stores told me that this book was outselling other titles 2. Vhf and uhf antenna systems 183 cable tv operators as end runspieces at the end of a roll. Buy online, pick up in store is currently unavailable, but this item may. Zimbabwe amateur radio society library service list. This link is listed in our web site directory since saturday sep 17 2005, and till today vhfuhf. Antenna matching is beyond the scope of the material found in this book and it is suggested you consult a more comprehensive antenna manual. Orr, w6sai, w6sai hf antenna handbook, cq communications, inc. The folded dipole antenna consists of a basic dipole, but with an added conductor connecting the two ends together. He is best known as the author of the w6sai antenna handbook and fondly remembered for the 1959 radio handbook. W6sai hf antenna handbook bill orr was one of ham radios most respected authors, known for his easytounderstand, downtoearth, writing style. In keeping with this tradition, rather than filling nearly 200 pages with theory and. He is best known as the author of the w6sai antenna handbook and fondly.
The w6sai hf antenna handbook paperback may 1, 1996 by william i. It was with surprise and delight that i noted that clerks in one radio. At vhf, both the 14wavelength monopole and the 58wavelength monopole antennas are widely used. The resource is currently listed in in 2 categories. The paperback of the beam antenna handbook by william i. The w6sai hf antenna handbook on cd cq communications store. At vhf, both the 14wavelength monopole and the 58wavelength monopole antennas are widely. This link is listed in our web site directory since saturday sep 17 2005, and till today vhfuhf yagi antenna design has been followed for a total of 144782 times. Orrs most popular book is all about cubical quad antennas. As can easily be seen, the forward antenna gain loop remains higher than that of yagiuda along the entire useful band.
The paperback of the w6sai hf antenna handbook by william i. William bill ittner orr 19192001 was an engineer, educator, and communicator. The dipole antennas with a high db rating concentrates energy. Here, youll find links for books on amateur radio covering hfvhfuhf. The feed point is usually placed at the centre of the dipole, for although this is not absolutely necessary, it can help prevent. Pretty much all of the antenna manufacturers now produce ais tuned antennas, which have their centre frequency shifted from channel 16 to 162mhz exactly half way between the two ais frequencies. They confirmed that the types of people who buy the book meet the profile above. Usually a loop antenna exhibits a higher gain than a yagi antenna with the same number of elements see w. Comprehensive look at hf and vhf yagis, including matching, building, antenna erection, and antenna system evaluation. Antenna design 140 150 mhz vhf transceivers online edition. The author and publishers wish to thank the following individuals whose assistance and support were vital in the. This book provides the reader with a wide range of interesting operating modes and techniques alongside the vhfuhf. For marine vhf 156162 mhz, the most commonly used antenna is a 12wave dipole or a collinear array in the form of a fibreglass rod.