Arrl antenna book 10 meter yagi

Thanks for watching please subscribe to my channel and good dx. Yw is a specialpurpose program, designed strictly for monoband yagis. That stuff is quite expensive, so its wise to be thrifty. Yagi antenna classics by arrl quick free delivery in 214 days. The articles that ive read leave out very important details that the beginner needs to know. I was in a hurry, and decided to purchase not homebrew this one. This method can be used to improve several common amateur antennas.

The optimized wideband antenna owa is antenna feedpoint matching method developed by wa3fet that provides an increased feed point impedance while widening the vswr bandwidth. Most hams change antennas more often than they buy new rigs. Jan 06, 20 yagi optimizer is an old dos program made more than 20 years ago bya k6sti made to analyze and design antennas. The menu on the left provides links to other pages and even more articles and links you can try. This antenna was built according to the description on page 1831 of the arrl antenna book 16th ed. All are designed with one goal in the mind, to maintain a solid gain and fb and swr ratio over the band. It is used by radio amateurs on the hf and vhf amateur bands. A short boom, wideband, three element yagi for 10 meters.

You would need a yagi with a boom length of just over 20 feet to roughly equal the performance of the cubical quad. The arrl 1976 antenna book american radio relay league illustrated. Like a yagi uda antenna yagi, a quad consists of a driven element and one or more parasitic elements. The yw modeling program included on this books cdrom, the yw modeling program developed by dean straw, n6bv, is designed to evaluate monoband yagi antennas. In free space the centerfed halfwave antenna has an input impedance that is a close match to 50 ohm coax and to most radios that have a. Additional articles are listed in the bibliography. Two element yagi antenna for 10 meters ham radio library. A short boom, wideband, three element yagi for 10 meters arrl. In this edition, the arrl antenna book describes hundreds of antenna designs. Its primary purpose is to enable viewing and analysis of the example antennas included with the antenna book. I have a 2element 12 meter yagi and it definitely improves my signal on that band. People are saying they can hit repeaters up to 50 miles what.

The significance of a perfect match becomes more pronounced only at vhf and higher, where feedline losses are a major factor. If you decide you really need a yagi with more elements, here are the lengths of them. Arrl radio designer picfrequenzdisplay einkreiser mit tda 1072. Here is what i have a baofeng uv82 transceiver a 12 inch 10 foot pvc pipe 3 14 inch x 36 inch aluminum rods. Antennas 101 part 1 dipoles, doublets and verticals rob may nv5e. Discount the s meter readings to reflect a smaller station, using the following rules of. Traditional yagi designs that are worth considering have been around since the. The formula and basics of yagi antenna calculator are also explained with example. Since 1939, it has maintained its place at the forefront of amateur radio technology a single resource covering antenna theory, design and construction, and practical treatments and projects.

The arrl antenna book for radio communications has everything you need to. The design is adapted for hardware store aluminum tubing from a design by brian beezley k6sti in the ya collection that comes with the arrl antenna book. This antenna was designed by n6jsx kuby for transmitter hiding. Power and antenna gain on 60 meters american radio relay league. Some antennas possess a theoretical input impedance at the feedpoint close to that of certain transmission lines. This page covers 3 element yagi antenna calculator. Many of these techniques depend on the frequency of use and the antenna type. Nowadays, in the 64bit era, with the advent of windows 7 and higher, running a old msdos program is very hard, but fortunately someone thought to us. Cushcraft ten3 28 mhz 3 element economical 10 meter yagi 8 foot boom 1500 watts so239.

The antennas are 100foot high invertedv dipoles for 80 and 40 meters, a 3element yagi at 100 feet for 20 meters and a 4element yagi at 60 feet for 15 and 10 meters. Simulating the quagi antenna in nec2 the first thing to do is to enter the afore mentioned quagi antenna into the simulator of choice. But few of us have the money for a multielement directional antenna a yagi or quad covering all hf bands from 20 to 10 meters, not to mention the tower to support it. A quad antenna is a type of directional wire radio antenna used on the hf and vhf bands. All amateur radiorelated projects, tips, tricks, and tools. Kurt andress, k7nv, working on 40meter yagi at n6ro in. Yagi in the 1920s did not receive full acclaim in the united states until 1928. It is a half wave dipole designed for the center frequency of 28. However at least in this edition there are some glaring omissions. This page links you to many different antenna articles and pages on the arrl web site. Antenna matching techniques the arrl louisiana section.

The arrlantennabook says about the 2elementyagi the most bang for the buck. Fitting the requirements of directionality, high gain, and portability. The arrl antenna book for radio communications is a single resource covering antenna theory, design and construction, and practical treatments and projects. The arrl antenna book for radio communications is a single resource covering antenna theory. The antenna is assembled from telescoping aluminum tubing and is a total of 44 feet long centerfed with 300ohm ladderline. The driverdirector alternative the most common form of twoelement yagi used on 20 through 10 meters is the driverreflector type. Reading this book and applying the mechanical design fundamentals along with using the software is recommended without hesitation. This antenna was derived from the arrl handbook information on quagis and yagi s. Antenna modeling files to be used with either nec4 or yagi optimizer modeling programs. In part 3, we shall look at several at least 4 practical 10meter logcell yagi. Many new mf, hf, and 6 meter antenna design articles. Eznec and eznec arrl are discussed in the antenna modeling chapter. Yag files can be converted using the msdos based scale. Building a mediumgain, wideband, 2 meter yagi by l.

This book contains everything you need to understand how radio signals propagate, how antennas work, and how to construct your own antenna system. Radio amateurs continue to make contributions to the state of the art in antenna design and construction. Many of leesons ideas for yagi antenna physical design in this book apply directly to log periodic antennas. Wc7i provides a calculator for a 3 element yagi design. Also see arrl tis page on gamma match free adobes acrobat reader required. The element lengths and spacings are a combination of info from the arrl antenna book section on 2 meter yagi antennas, and from experiments with a field strength meter and different length elements and spacings. A twoelement yagi with a director needs a spacing of 0,050,1. Eznec and eznecarrl are discussed in the antenna modeling chapter. Driven element is excited directly via feedline, all other elements excited parasitically. A 2 element direct feed yagi for multiple bands by wb2vuo.

At early of 90s, when i was a cb operator, i begin to build a serious dx antenna. M2 antennas 6m3 6 meter yagi antennas 6m3 free shipping on. Element lengthsdiameters and element spacing determine antenna behavior. I was only interested in antennas for the 2 meter band. There have been all sorts of articles in the various amateur radio magazines from the 1940s on, in the various arrl antenna books, in bill orrs w6sai books, etc. This winter looks to be a good one for 10 meters, so put up a simple antenna and work some great stuff. The calculators for other antenna types such as parabolic,horn,dipole and patch are also mentioned. Yagi with the very simple dk7zbmatch, which was introduced first in 1995 1. Power and antenna gain on 60 meters our new 60 meter allocation restricts you to 50 w pep into a dipole, but what if youre not using a dipole. Cushcraft 10 elelemet 2m yagi a14810s n6pet my ham.

Mb17 10 152040 is every contesters dream quadband trapless yagi with compact design, high power handling, large bandwidth thanks to our trapless solution and with the usual momobeam mechanical trustworthiness you dont need to look any. The arrl antenna book for radio communications softcover. I think it will b a 5 element so i was looking around on the net to check what others are building and i was really shocked. By george orfanos, sv1cdy a 3 element yagi antenna for 10 meters band. Anything is scaled to 11m from the 10 meter arrl project. Where can i find plans for 10 meter homebrew beam qrz forums. Blue plot is the phased design, black the three element re. I personally have made two optimized antennas these exact sizes on 10 meters and compared them. Antenna matching techniques as with antenna types, there are numerous matching techniques employed in amateur radio antennae. It was installed on a short mast about 15 to 17 feet. Nowadays, in the 64bit era, with the advent of windows 7 and higher, running a old.

Now its time to step it up just a little bit and fabricate a bigger antenna. Although the design had been known earlier, the monoband logcell yagi array was briefly popular in amateur literature in the late 1970s and early 1980s, largely through the work of rhodes, k4ewg, painter, w4bbp, and zimmer, k4jzb. More information on gamma matches is available in the current edition of the arrl antenna book. The highperformance yagi type antenna in the picture below is one of the best set of compromises available for a multiband operation on hf.

Hello,i have been reading the arrl antenna book and my next build will be a yagi. The reflector and director element spacings are equal at 16 inches. Yw yagi for windows by n6bv to predict antenna performance. We will take a quick look at several popular types here. You can calculate what angle you want for a certain dxcc with this knowledge you can understand that in some cases it can be better to place a high small yagi say a cheap 3 elements. Here seven bulletproof yagi, from 3 to 8 elements, from 2. An impressive homebrew 6element 10 meter antenna by henry, k4tmc photo k4tmc lets not forget that the arrl 10 meter contest is a worldwide event. This is the plans and instructions for a 10 meter, direct fed beam that should delight anyone. Broadband transmitting wire antennas for 160 through 10 meters by floyd. If you have a 4 element cubical quad on 10 meters with a boom length of 15 feet.

The length of a reflector for a twoelement yagi with 0. Dec 03, 2015 cushcraft 10 elelemet 2m yagi a14810s. Six meters arrl antenna vol 5 compendium contains an article i wrote providing details about two portable 6 meters antennas i developed, a twoelement quad and a threeelement yagi with telescoping elements. We would like to show you a description here but the site wont allow us. This is where you input the center frequency in megahertz. For a more indepth examination of matching networks, consult the arrl antenna book. Ive taken what i learned from the gmrs continue reading homebrew 5 element vhf yagi. Find great deals on ebay for arrl antenna book and arrl handbook. You can also select from the links below to some of the more popular antenna pages. The aluminum tubing is available from texas towers or mfj.

Hall the arrl antenna book the american radio relay league inc. The yw modeling program included on this book s cdrom, the yw modeling program developed by dean straw, n6bv, is designed to evaluate monoband yagi antennas. This 10 meter dipole project will enable you to start using your new hf privileges as a technician class operator on 10 meter ssb between 28. The main elements of this article are reprinted in the arrl antenna book, 18th. If we check the 10 meter performance of these antennas. Antenna planning for small hf stations and even larger ones.

Both antennas were designed for easy construction and quick assembly and disassembly. Its very suitable to vhf antenna modelling and even if it is very old it is still very popular. Since the first edition in september 1939, radio amateurs and professional engineers have turned to the arrl antenna book as the source of current antenna theory and a wealth of practical howto construction projects. M2 antennas 6m3 6 meter yagi antennas represent the high quality design and unmistakable performance that amateurs around the world have come to expect from m2 antennas.

In free space the centerfed halfwave antenna has an input impedance that is a close match to 50 ohm coax and to most radios that have a 50 ohm output impedance. Build a 4 element 2 meter yagi, using a stellar labs 302460 outdoor fm antenna references arrl s yw antenna modeling. Overall this is a good reference book on ham radio antennas and theory. If you dont have an antenna up for 10 meters, here are some antenna projects for you to try and see what all the 10 meter fuss is about. Inductance of the arm is tuned out by means of a capacitor.