K9ay antenna pdf printer

The k9ay terminated loopa compact, directional receiving antenna wish you had enough room for an effective lowband receiving antenna. All im totally certain of is that any antenna is better than no antenna and the antenna should preferably erected as high and be as long as is possible or desirable. This system provides a cardioid directional pattern in. I talked to with several hams about their experiences with the k9ay. As for all lowgain antenna, there could be some noise incursion common mode issues. K9ay the saga of the shared apex loop array sal20 the finished product.

It consists of a wire loop of any convenient shape diamond, delta, etc, hung from a single support and with a ground rod at the bottom. Yes, i finally got around to putting up a k9ay loop. The k9ay antenna as produced by wellbrook communications is a marvelous antenna for medium and long wave dxing. Building upon the foundation laid by the ewe, k9ay, and the flag and pennant antennas, the sal featured true time delay. It was apparent that many stations were copying me much better than i could hear them, so something needed to be done. Ive chosen to use a waterproof multiconductor plug to enable quick detachment of the antenna wires from the k9ay control box that will be located at the base of the antenna. For our contest group pa6z we needed some good receiving antennas for the low bands 160m, 80m and 40m. About the minik9ay antenna the resource is currently listed in in a single category. The k9ay loop is one of the most popular receiving antennas which can fit in a small lot, and i built it in the summer 2006, exactly as designed by gary breed and sold by ay technologies as the ayl4 model. This is the popular k9ay loop receiving antenna, as described in the september 1997. Although very effective, beverages are often 500 to long, so are not practical for hams with small lots. I have no room for beverages in fact several honest suppliers like k1fz and n0tt told me dont bother and directed me to this loop, so this was my only choice for a real receiving antenna with some theory behind it. The k9ay antenna current and the feedlineasantenna current both travel through the ground resistance, and thus resistively sum up at the input to the feedline.

My current k9ay is an amalgamation of parts removed from various equipment. Last year, we reported on a project by the european space agency to test the possibilities of 3d printing antennas for possible use in space satellites. Gary breed, k9ay, developed a receive loop system that takes up very little space. Obviously to support folding, either the antenna wire has to move along the ends of the arms or i have to detach the antenna wire from the base. For example, two k9ay loops will have a far better directive pattern than is possible with two omnidirectional verticals. Remember, in the antenna control box, there are 2 grounds. Hf switchingmatching antenna six to two switch antenna six to two switch 2 triplexer ver. Even though i have not used a k9ay antenna cut for shortwave frequencies, my medium wave version is second only to my 500 foot beverage antennas when dxing the tropical bands. The wooden a frame support described in the arrl handbook and antenna book is an excellent choice. The model with the preamp sold for 140 gb pounds at the time of writing, including shipping to the usa. While outwardly appearing different, the ewe operating mechanism is no different than a flag, pennant, or k9ay. Terminated loop basics the k9ay loop is one of several published designs that use a terminated loop to get a directional pattern in a small space.

There have been many installations of the 4sq k9ay for 80m used in sp since early spring 2005. K9ay loops wish you had enough room for an effective low. How to build the k9ay loop receiving antenna ay technologies. Wish you had enough room for an effective lowband receiving antenna. I would have used a bcd counter to drive the actual binarydecimal converter. Modular antenna switch antenna six to one switch antenna six to one switch kit antenna one to. The main category is k9ay loop antennas that is about k9ay loop antennas.

The amplifier is wideband with second and third order intermodulation performance that exceeds most general. Anyway, the main disadvantage is the need of two supports, the ve3do loop is sensitive to the soil properties and it cant be rotated. It works well enough, but id love to get one of these units into the control box at. Modular antenna switch antenna six to one switch antenna six to one switch kit antenna one to two stack match antenna one to three stack match. When i thought about building a k9ay loop antenna, i was thinking of a nice complement to the.

As it came out later, the 80m antenna works also surprisingly well on 40m. Feb 23, 2016 hfedz end fed 10m 160m hf antenna 200w ham radio antenna ebay. A lot of info can be found on internet, and especially. Thank you to frank sessink pa0fsb for submitting to us his document describing the k9ay loop antenna pdf, which is the antenna that he successfully uses. I would have used a bcd counter to drive the actual binary decimal converter. The k9ay terminated loopa compact, directional receiving.

The ayl4 k9ay loop system requires 15 feet in four directions from the center of the antenna, plus additional dis tance depending on the guying method. Lowband operators are always looking for ways to improve their hearing. During this test im switching between east and west, so that you can see up to s79 of. Seems very few people have anything good to say about them. This link is listed in our web site directory since saturday dec 14 20, and till today the mini k9ay antenna has been followed for a total of 671 ti. It is a relatively small receiving loop that works well from 10 mhz and down. Thank you to frank sessink pa0fsb for submitting to us his document describing the k9ay loop antenna pdf, which is the antenna that he successfully uses with his rtlsdr for hf reception. It belongs to the family of the small loops, like flags and pennants, but it needs a ground connection. The wellbrook k9ay antenna i purchased incorporates a lownoise 15db preamp.

A lot of info can be found on internet, and especially in the must read low band dxing by on4un. A metal mast can be used, but make it only as long as necessary and insulate it from ground. Model ayl4 4way k9ay loop system this is the popular k9ay loop receiving antenna, as described in the september 1997 issue of qst, the k9ay terminated loopa compact, directional receiving antenna, by gary breed, k9ay. Printing education for kids printer printing videos jewelry shirts printer projects new york code. The k9ay terminated loopa compact, directional receiving antenna. Needs the controller and resistor box to complete the antenna system.

This system provides a cardioid directional pattern in four different directions. This antenna system is the only broadband phased k9ay to offer a unidirectional pattern similar to the beverage, over 360 degrees with electronic null optimisation. This link is listed in our web site directory since saturday dec 14 20, and till today the minik9ay antenna has been followed for a total of 671 times. The original article by gary breed on which this antenna was based used a very clever idea for relay switching via a control voltage up the antenna cable a positive dc for the first relay, a negative one for the second, and ac for both at once. It works well enough, but id love to get one of these units into the control box at the base of the antenna. Rx antena 4way rx antenna switch k9ay loops k9ay loop feeder with bpfs and preamp rx antena beverages and wire antennas acessories.

The base of the supporting pole and the ground rod are located at the center. I took this in stages by playing with the pennant loop with vactrol circuit first. Describe your experience with the k9ay loop antenna kit and tell us why you give it the rating you did required. By gary breed, k9ay the 1 directional receiving antenna owband operators are always looking for ways to improve their hearing. There are hams who have built 4squares of k9ay loops and marveled at the extreme fronttoback performance. Thus meeting the demanding requirements for the mw, topband and lw dxer. I have been looking for a good solution to the noise problem on receive and had heard about the k9ay loop antenna. This is the popular k9ay loop receiving antenna, as described in the september 1997 issue of qst, the k9ay terminated loopa compact, directional receiving antenna, by gary breed, k9ay. Weve destroyed the nice pattern of our receive antenna because the.

The previous portion of this story describes my attempt at building a homebrew k9ay system around a conventional gary breed configuration with the exception that my transformer was built to a design allegedly superior to the original. About the mini k9ay antenna the resource is currently listed in in a single category. Other useful information would include your experience with similar products, infomation on a product that you would purchase instead of this one, and so on. Generally signal strength is much lower on the k9ay than the vertical however, the noise floor is substantially lower as well the signal to noise is often much better the preamp is operable below 7 mhz only in some situations the vertical antenna is better. Download the original paper pdf document from k9ay here. Mar 11, 2016 2 meter full wave loop the magic wand antenna by wb5ism. K9ay 80160 meter switchable loop antenna system after operating a couple 160 meter contests last winter, i realized i needed to do something to improve my receiving performance. This amplifier is also available for home construction of the k9ay antenna and other similar applications. Control wire 6 conductor and fed with rg6 catv coax.

Hfedz end fed 10m 160m hf antenna 200w ham radio antenna. The relays are large, 12 vdc units which do not have the best contacts. Esa experiments with 3d printing antennas for space 3d. Dec 29, 2011 another fb test on 80m with improved k9ay receiving antenna now the loop has abt 25m and its 8m tall. Like k9ay, this antenna is less sensitive to common mode current problems than an usual flag or pennant antenna.

The preamp circuitry is of excellent quality, with very high ip2 and ip3 specifications. Large metal objects affect the antennas performance, so install it in the clear. K9ay is a loop developed in the early 1990s by american radio amateur gary breed k9ay. The antenna is designed as a portable antenna, for setup during winter months. Software psk and other porovnani solid converter mokry systems sp7dqr home. The wellbrook k9ay has been widely acclaimed by many dxers, and several articles have been written about it, among others by guy atkins and john bryant. Impressions and a field test k9ay loop antenna by bjarne mjelde c bjarne mjelde, 2000, 2001 the k9ay loop is with little doubt the hottest dx gadget among serious dxers today.

May 20, 2017 obviously to support folding, either the antenna wire has to move along the ends of the arms or i have to detach the antenna wire from the base. By gary breed, k9ay lowband operators are always looking for ways to improve their hearing. Hfedz end fed 10m160m hf antenna 200w ham radio antenna. The ewe, pennant, flag and others all operate using the same principle as the k9ay loop, and they all provide a cardioid pattern with one deep null.

K9ay loop feeder with bpfs and preamp rx antena beverages and wire antennas acessories. How to build the k9ay loop receiving antenna gary breed, k9ay ay technologies 6677 sunset drive verona, wi 53593 email. Back at the dayton hamvention in 20, array solutions debuted a new compact receive antenna system called the shared apex loop array, or sal. The w8jk is a famous and effective dx antenna ham radio.

The k9ay directional terminated loop antenna is a totally. About build a k9ay receive antenna the resource is currently listed in in 2 categories. Using the scaling rule from the antenna theory, many people were asking about the installation for 160m, expecting that it would also work on 80m. Since then dxers, ham operators and comerical enterprises, all have raved and ranted about this loop, calling it miraculous, stunning and the antenna that beats anything. The k9ay loop is one of several published designs that use a terminated loop to get a directional pattern in a small space. Building upon the foundation laid by the ewe, k9ay, and the flag and pennant antennas, the sal featured true time delay phasing, and no need for a control wire from the shack to the antenna or grounding. If you wish to see my whole detailed circuit, look here pdf. Each type of antenna will eventually have its own page. Wellbrook k9ay phased array 500khz to 2mhz the wellbrook k9ay phased array is a sophisticated broadband antenna system, designed for enhanced mw and 160m ham band reception.

Model asayl4 4way k9ay loop system this is the popular k9ay loop receiving antenna, as described in the september 1997 issue of qst, the k9ay terminated loopa compact, directional receiving antenna, by gary breed, k9ay. Most transmit antennas used on 630m and 2200m are omnidirectional, therefore no. Here are the instructions for constructing the loop itself. This link is listed in our web site directory since thursday feb 25 2010, and till today build a k9ay receive antenna has been followed for a total of 2998 times. The k9ay loop is ideal for larger arrays, since it has already has a directive pattern. Another fb test on 80m with improved k9ay receiving antenna now the loop has abt 25m and its 8m tall. The k9ay loop is meticulously built, and works very well. Medium sized low band rx antenna solutions gary breed, k9ay expanded version of a presentation at the w9dxcc convention september 15, 2007, elk grove village, il with the low bands benefitting from the current sunspot minimum, receive antennas are important for dxers, contesters and other active amateur radio operators. Feb 24, 2016 w2bris 12 foot 80 meter magnetic loop antenna. At that point nothing can distinguish between the desired antenna signal and the undesired feedlineasantenna signal. Easy to build low band receiving antennas for small and. Thank you to frank sessink pa0fsb for submitting to us his document describing the k9ay loop antenna pdf, which is the antenna that he. As a lowband fan, i was impressed with the ewe antenna developed by floyd koontz, wa2wvl. The k9ay loop is one of the most popular receiving antennas which can fit in a small lot.

Instead of a wire return to complete a transmission line path, the ewe relies on earth. Printed antennas for automotive applications to integrate printed antennas in plastic body parts of automotives for the reception of electromagnetic waves such as amfm, gsm and many more is a very promising alternative to the standard rod antenna or. The optimized terminating resistor was 486 ohms for best fb, average soil. The k9ay loop is one of the most popular receiving antennas which can fit in a small lot, and i built it in the summer 2006, exactly as designed by gary breed. The k9ay behaves just like two short sloped verticals with the same phase shift.

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