10 meter loop antenna software

That alexloop is really a wonderful antenna for limited space and for an efficient upper band, portable antenna. Ham radio 63010 meter antenna software modeling results. I recommend a different loop for use on 20 10 meters if those are your favorite bands, mostly because its easier to put up 71 feet of wire 14mhz with only 18 feet per side. My 80 meter delta loop s base is only 8 feet above the ground and i have worked vks long path with it. Build a magnetic loop antenna controlled by arduino. The numbers looked good on my mfj 259b analyzer, and my other indoor loop 50 ft rectangular loop continues to amaze me, so i know this loop will work whenever we get propagation again.

It is fed from the bottom corner so that it is horizontally polarized. On 20 meters that would probably be a better choice since dimensions are essentially double those of 10 meters. Be prepared and able to communicate in case of emergency with the largest selection at. Describe your experience with the par 2 meter loop. Click here to see more on transmitting loop antennas from aa5tb. I need an antenna for the for the following spectrum. Id seen all sorts of recommendations online about the length of wire for a 160 meter loop, and none of the were 160 meters. The 10 meter 3dfl the 10 meter version of this antenna provides good performance and is just as easy to build. Aecreative 10 160 meter amateur ham hf band radio wire loop antenna balun unun diy kit t2002 type 2 iron powder ferrite toroid core 16awg 1. The 40m loop antenna ed, vk2ji this antenna is also known under the names sky loop and dxbuster and is very similar to a horizontal delta loop. Somewhat ground independent being a loop, the 3dfl does not require a counterpoise or a ground connection. The magnet loop antenna calculator program is used to calculate magnet loop.

Hf loop antennas for the 10 through 20 meter bands are. L 1005f, where l length in feet, f frequency in mhz. All results may be presented in either feet, meters, or centimeters. Besides stealth, noise level is greatly reduced, drawbacks are fairly narrow banded, and the need for high voltage caps if you go beyond qrp. Five bands placed all within the same space that the 20 meter loop previously occupied. Some call it a skywire loop antenna, some call it a w0mhs loop skywire antenna, nowadays its called a full wave loop antenna but it still is a force to be reckoned with. I used two lengths of pvc pipe to form the horizontal elements of this simple, 10m loop antenna. Loop antenna calculators suggest that a loop of that size can be tune from 40 to 10 mtrs with a variable capacitor of 10180 pf.

A ten meter vertical antenna for all license classes by rich kr7w the intent of this article is to show how i built an effective 10 meter vertical antenna. A 6 meter stealth antenna or you never know whats lurking in the woods gary depalma ac8ne. To be a magnetic loop, the loop circumfrence must be less than 0. The multi band hf loop antenna, a good performer on 80 and 4010 meters. Lately, i noticed that my antenna performance on 10 and 11 meter ssb is lacking, to say the least. Half loop antenna for the 80, 40, 20, and 15 meter bands.

Loaded loop antenna 80 10 m low height narrow delta antenna for the 80, 40, 20 and 15 meter band. Works either in standard and metric units, and let you choose on material, and loop. So, the loop diameter should not exceed about 1 mtr. Getting a big dx signal on 160 10 m from one small, low antenna chuck counselman, w1his i live on a small lot in a dense, inner suburb of boston and cambridge. Ham radio 10 meter loop antenna, part 1 of 4 youtube. My goal is to reveal, in some kind of logical way, my thoughts, methodology, and how i came up with the final result in an easy to understand way. At the end of the quarter wave matching section of 75ohm coax, you can attach a random length of 50ohm coax, again user supplied, which will be. View antenna display, showing the wires making up the model of the fiveelement beam, with currents and 2d slice superimposed to show orientation.

Lets see some antenna calculator and antenna design software that will help you design faster and better. Using my mfj269 antenna analyzer, i was disappointed to learn that the swr across the hf bands was not at all what id wanted. Making my own ho loopstyle antenna for 1011m qrz forums. Here is a simple and easy to build antenna in a delta loop configeration that should make 10 and 12 meters. My first 20 meter delta loop was mounted kind of low to the ground, but it did okay. Squalos are ideal for netcontrol, monitoring or as a general coverage antenna. Its also easier to make a 23 diameter loop for 20 meters more circular instead of square.

The formulas for calculating the length of an impedance matching section are. This antenna covers 80 to 6 meters with low feed point impedance and will work with most radios, with or without an antenna tuner. I have compared this loop with antron 99 at same height and obtained near equal signal reports from dx stations. At that height the base of the 40 meter delta loop is barely above the ground, but it does work. We provide you with the latest news and videos straight from the amateur radio world. In some cases my 99 cent loop antenna will outperform the antron 99. I wonder if it would works as well if it is wider than it is tall.

A beautiful, huge, falling white ash laid my original loop to rest. For several years and many contests, my 20 meter loop antenna continued to. Rw3dkb loop balcony antenna all hf simple window loop antenna. An attic coaxialcable trap dipole for 10, 15, 20, 30, 40. Just because a corner fed delta loop is barely above the ground does not mean it wont work.

Jul, 2019 nice to see the 10 meter amateur radio band open on july th 2019 at 1415 ut ve3 beacon and some ham radio chit chat. The formula for the length of wire required to make a one wavelength loop is. Im currently using two mag loops to cover 10 80 meters, efficiency drops at lower frequencies but still quite usable. Nec modeling software does not accurately model this antenna. The following is an article which i wrote and was published in the february 20 edition of the central coast arc smoke signals magazine. Loop antenna calculators suggest that a loop of that size can be tune from 40 to 10 mtrs with a variable capacitor of 10 180 pf.

The wonderbar antenna 10 meter antenna project electronics projects, gave. The feed impedance of a delta loop is around 100 ohms so you will have to use a quarter wave length of 75ohm coax to feed this antenna which is user supplied. Operating the loop at 10 and 21 mhz by changing the length of the ladder line loop antenna 1. Multiband loop antenna made after the design by sp7la for 80 40 30 20 17 15 12 10 meter bands with frequency ranges of 3500khz to 3800khz, 7000khz to 7200khz, 10100khz to 10150khz, 14000khz to 14350khz, 18068khz to 18168khz, 2khz to 21450khz, 24890khz to 24990khz and 28000khz to 29700khz with overall length of 82. Full size delta loop for 20m i came across a simple delta loop design courtesy of dxzone found on the net some time ago and have been planning to give it a go for a while. Through these software, you can design various types of antennas like yagi, jpole, parabolic, quagi, super scanner, etc. The alpha loop is a 10 40 meter transmitreceive magnetic loop antenna, which handles 100 watts pep ssb, 50 watts cw, and 25 watts digital. I recommend a different loop for use on 2010 meters if those are your favorite. The main category is delta loop antenna projects for 7 mhz that is about delta loop antenna plans for the 40 meter band. I worked all 50 states and several countries with 100 watts using the antenna on the 160 meter band. Reference loop, 40 meter full wave loop 36feet high over medium soil, opened opposite feedpoint to make reasonable feed impedance on 80 meters. The model was created assuming that the feedpoint impedance was 112.

A magnetic loop is essentially a small loop antenna whose circumference is less than 1 10 of the wavelength. It was a big loss for my stations performance, so i vowed not only to replace it, but to build a nested loop array for 20, 17, 15, 12 and 10 meters. The singleelement loop antenna is almost exclusively used on the low bands, where it can produce lowangle radiation, requiring only a single quarterwave high support. Pay no attention to the wire goingoff horizontally from the base. Coat hanger copper wire 2 meter yagi antenna 2 meter yagi antenna w gamma match dipole and inverted v antenna basics 10 1520m trap vertical antenna dave tadlock helps you build a home brew trapped vertical inverted v calculator thanks to k7mem martin e. You can get a rough idea with modelling software but that software doesnt. This excellent article covers all aspects of designing a resonant loop antenna, examining gain and radiation patterns, and describing practical notes on how to build this antenna. This enables the alpha loop to be heard and be more effective than any other manufactured loop. The loop easily loaded on 10 and 12 meters with a tuner, but as usual both bands were dead when i checked a few times over the weekend. Skywire loop antenna aka w0mhs loop skywire aka full wave loop antenna aka.

The antenna can be used inside the house by suspending it with cord, heavy string, etc from the ceiling or attach it to a wall stud, the higher off the ground the better the performance. W5gi mystery antenna is a multiband wire antenna that performs exceptionally well even though it confounds antenna modeling software. Petlowany threeband burner antenna trapless short vertical antenna resonant on 20, 15 and 10 meters, without traps, 12 and 17m with a tuner. What kind of 10 meter base antenna should i use for 10 meter ssb. The reason the dimensions are as they are is so the feedpoint impedance is 50 ohms.

Last month when there was a very good f opening, i was disappointed in hard i had to work to grab a contact. I currently use a 75 meter full wave delta loop on the 6 through 75 meter bands with a tuner. The magnetic loop couples to the to the magnetic field of the radio wave in the region near the antenna, in contrast to a monopole or a dipole which couple to the electric field of the wave. In the first couple hours of having it up i was able to hear stations i could not hear before. I would like to build a loop antenna for 10 meter but i dont know how to calculate the measurements for it john, hope you could help me. An optimum installation would be where the antenna is deployed as a sloper with the high feed point end at 30 feet or higher and the low end at 10 feet or higher.

Short dipole for 80m from 4s7nr 80 meter frame antenna from harry lythall sm0vpo. Maybe not as good as a real 6 meter antenna, but does work. Like most new generals, i started with a simple g5rv dipole antenna. Alpha antenna 10 40 meter 100w base alpha loop portable antenna ham radio. From david, n5izu from david, n5izu portable all band antenna ikstic a multiband vertical dipole antenna which can be used in the field for quick setup and quick band change. Poster voorbereiding op noodsituaties, amateurradio, software, projecten. Aa1do fractal quad for 10m by chip n1ir antenna projects 10m antennas from brian g3syc and ian m0bcg 6 meter antennas. Packaged with magnets for vehicle top mounting for 2 and 6 meters and a horizontal center support for mast or tower mounting. Thus to make a long wire loop for, say, 10 meters, one could erect a onewavelength loop cut for 20 meters. We do not recommend installing this antenna as a vertical due to users experiencing high noise rfi and unpredictable radiation patterns due to proximity of coax, which also allows. Here is a simple and easy to build antenna in a delta loop configeration that should make 10 and 12 meters lots more fun if you have a limited space situation or you just like the idea of a smaller than normal sized delta loop. Ham radio 10 meter loop antenna, part 4 of 4 youtube. On the bands from 30 meters up to 10, its performance is very good and it can greatly enhance your shortwave listening on any frequency from 730 mhz.

A ten meter vertical antenna for all license classes. Mfj969 amateur radio deluxe hf antenna tuner wbuiltin 4. In other words to increase radiation resistance, the loop has to be made spatially larger. Also, the designs i am going to show are for hf use in the 17 to 10 meter bands. To support an antenna, i have no tower, and only two trees that arent too close to a house. Needed ant for 6 meter sporadice a 10 17 meter hanging loop antenna. The mfj1890 is a lightweight aluminum antenna designed to operate in the 10 meter band and we had hoped that with a little messing around we could get it to tune to the 11 meter cb band. This calculator enables you to test the design of an octagonal loop antenna and to answer what if questions until you arrive at a design that meets your needs without a lot of experience in electronics. Here is a great article on building your own 3 foot diameter loop from copper pipe that will fit in the attic of a single story home. In part one of this series, i covered the use of one brand of commercially available, small transmitting loop antennas, also known as magnetic loops. Delta loop for 40 and 20 meter band by ur0gt resource. Save 6 meter loop antenna to get email alerts and updates on your ebay feed.

Hf dipole antenna this antenna software will help you design a simple wire dipole antennas for 1 30 mhz. My goal is to reveal, in some kind of logical way, my thoughts, methodology, and how i came up with the final result in. The 2 meter full wave loop is so light, it can even be attached to most any nonconductive support with good tape. Call it 24 feet for simplicity divided by 3 is 8 feet long each leg of one delta loop antenna. Cbradio mfj 1890 10 meter moxon antenna small backyard big signal shrunken 40 meter phased qu build it 2 meter tape measure yagi beam antenna kb9vbr j 10 11 meter moxon yagi beam cb ham antenna rhombic antennas v beam and inverted. Jul 24, 2015 magnetic loop antennas for the radio operator with limited space pt. The skywire loop is an excellent antenna they can be a bit of work to get up in the.

Jvertical antennas for 10 meter band, a slim jim for 28 mhz with photos and plans. This link is listed in our web site directory since thursday jun 27 2019, and till today delta loop for 40 and 20 meter band by ur0gt has been followed for a total of 186 times. The is your source for news about amateur radio, shortwave, cb radio website. Magnetic loop antennas for the radio operator with limited space pt. I pulled the loop into the air, turned on the rig and instantly knew this design was a winner. For that article, i bought the very popular alexloop walkham antenna. Its just one end of my g5rv dipole, or sometimes called a dummy load. If we have a loop like this with a high feedpoint resistance, over 10 20 ohms, the antenna has very high loss. Please post a comment if you know other great software or links with information about antenna calculator and design programs. The list will grow with your help so lets start and share the knowledge. The total length of a full wave loop antenna is the same as the driven element for a cubical quad antenna. My first contact to australia was on my 20 meter loop, so it has to be working great.

With a good antenna tuner the antenna will work 6 through 160 meters. Hello from tommy in arkansas, just took at your design john. Or should i say that i had heard that it worked well, hi hi. Have you been thinking about experimenting with a loop antenna, but are not sure you have enough space to put one up. The 20 meter vertical loop antenna will get you around the world if the conditions allow it. Loops a e have sides approximately wavelength but overall circumference delta loop is the same as an equivalent quad on the same frequency, i. This is to be expected when running an omnidirectional antenna however, and i am trying to build a new antenna that will do the following. Small loops for higher frequencies can be mounted either horizontally or vertically. Changing the dimensions will change the feedpoint impedance. I cut 5 meter 14 gauge copper wire available with me at that time and bought two 10 feet electrical conduit pipes, made the antenna in just one hour and mounted it vertically on the deck. This weekend i had a couple of hours spare, so i decided to give it a go using some 2mm multi strand wire cable, a dipole centre and a mixture of 75 ohm and 50 ohm coaxial cable.

Full wave loop antenna 10m thru 80m from western canadas ham radio yl site ke4uyp topfed 14 wave linear loaded vertical for 80m. Many decent 57 reports with this 11 meter wire loop. 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. The calculators give you theoretical values, your actual construction will also affect the antenna greatly. It can be built using the same type of tubing and hardware as the 2 meter antenna.

Getting a big dx signal on 16010 m from one small, low. The loop hangs from a corner of the square, so it is in the vertical plane. A ground plane antenna project for 10 meters band by n4zaw. Hf loop antennas for the 10 through 20 meter bands are small enough that they can be easily suspended vertically with their broadside radiation pattern pointed in a specific direction. Magnet loop antenna calculator antennas i1wqrlinkradio. Home made high power magnetic loop antennas amrron. The most common material for home building small ham radio loop antennas is common copper plumbing pipe.