Am loop antenna diy. May 13, 2022 · How to Connect an AM Loop Antenna.

Am loop antenna diy Easy to build and can be inductively coupled to any AM portable radio without overloading it. The attached alligator clip shown below will be connected to no less than 60' of your antenna wire. AM antennas install easily on a mast or in an attic just like other antenna. This shape allows it to receive radio signals more efficiently. in an appropriate height) where the statement turns false (because you have a “good outside antenna Jan 25, 2010 · Actually they can cover quite a wide range of freqs, depending on how large and the construction. Fuller mag loop concept explanations and more-detailed building . It can work with Stereo Receivers or Tuners with AM antenna input. 25 metres in diameter, so my Faraday loop is 25cm in diameter. Aug 4, 2020 · Most receivers come with a loop antenna which is fine for receiving local AM stations. Of course this a very generalized statement that lives in a spectrum of possibilities in which there may be extremes (an ideal “house” like a big, high, grid-installation and plumbing-free barn out in the woods, that can house full-size wire antennas etc. 5 inches wide. DIYRevision: Oct. Welcome of my homemade loop antenna or loop aerial pages. 2 Home Made HIGH POWER Magnetic Loop. These loops are made to enhance radio reception in the broadcast, or medium wave (MW) band range. Jun 11, 2023 · Okay I think I am ready to build AM loop antenna for MW. be/MkgKNujlGQE@W1VLF This DIY AM antenna is best used outdoors but you can make it work inside by somehow re-routing the wires. " Here are the plans for this antenna. Please Advise. Built using cheap 4 pair (8 wire) telephone 'ribbon' cable,& (optionally) housed in cheap garden 13mm (~half inch) irrigation plastic hose. Post navigation Aug 5, 2024 · A magnetic loop is essentially a small loop antenna whose circumference is less than 1/10 of the wavelength. For that article, I bought the very popular AlexLoop “WalkHam” antenna. The more rigid self supporting version better suits se… Jun 8, 2017 · Click here to see a variety of tuned loop antennas that others have made. Most of the time, admittedly, the internal antenna worked well enough anyway. Plus, it’s a less expensive way to increase the reception range of your AM radio. The problem is when I connect the antenna in place of the generator. htmlTo see my ham radio and radio related T-Shirt onl Jul 24, 2015 · Magnetic Loop Antennas for The Radio Operator with Limited Space pt. With the advent of the transistor radio, there soon ceased to be any way for you to connect your radio to an antenna. a tuner and amp: the tuner and amp are plugged into different power outlets, and when you connect the tuner-out to the amp-in (assuming it's not optically connected), that connection might also connect the chassis ground and cause a loop, or hum. Mar 27, 2023 · Here is a DIY loop antenna for AM band and more!For the full video see this link"https://youtu. Not 25 Tunes but 25 "Turns. " Sorry!Music:Li Oct 5, 2018 · The resonant frequency (in Hz) of the circuit that makes up the loop antenna is: With L the loop inductance in H, and the loop capacitance in F. It does not matter which end goes to which, but one end of the loop connects to the AM terminal of your receiver, the other end connects to the Ground terminal. by Popeye. Let's build a loop for 20 meters that exhibits around 65% efficiency. As one would expect it is just a hair more sensitive than the slightly smaller loops I compared it with, but its real strength is its rugged build quality and ease of use with its split AM band which makes fine tuning less critical than on the other loops. A conveniant AM loop antenna; AM Radio Loop Antenna; Super Antenna plans; NRC; Loop Antenna; Magnetic Loop antenne's. instructions for this design may be found on the internet in the Amazon . The main loop is 1. Mark Connellys; RadioIntel. 050 * 8) = 0. A long random wire may improve reception but the downside is that you will hear stations from all directions which may cover the desired station. Estimate 15inches on a side and 1. May 13, 2022 · How to Connect an AM Loop Antenna. Spoiler, I didn't get good results maybe you will. Jun 12, 2020 · alonzo December 4, 2024 at 12:41 am. But not for everybody. Well, its time to hav… Feb 8, 2021 · If you try that and it still doesn’t work, then maybe an AM radio antenna booster, or a loop antenna could be a great alternative. The twisted antenna wires get Oct 8, 2017 · AM Broadcast Band Loop Antenna, Very Effective. I do not hear anything. This started out to be a 50 ohm rectangular loop for 6m with two spreaders, but it was easier to build as a hexagon instead because it is supported by the wire instead of the top spreader. Secure into a round shape with ties or tape. The AM wavelengths are very long. It also helps to improve the sensitivity of 1. There is no connection to the loop from the r A conveniant AM loop antenna; AM Radio Loop Antenna; Super Antenna plans; NRC; Loop Antenna; Magnetic Loop antenne's. So Carver gave a plan for making what they called "The Ultimate AM Antenna. I just want to hook mine up to the same 2 wire AM input on the back of the Marantz receiver that takes the existing loop antenna. : Medium Wave (MW) AM broadcast band loop antenna. 5 inch copper pipe and each side will be 3. They won't let you back here!!! The Black Hole AM Radio Signal Booster – The RadioLabs PortablePRO AM Antenna is a beautifully designed loop antenna for enhanced AM or Medium Wave reception. This kit includes red oak lumber, copper magnet wire, air variable capacitor, brass faceplate, black phenolic knob, stainless steel hardware, instructions, and a large sheet of plans. Aug 27, 2023 · One of the best kept secrets of Amateur radio antennas are either the box, or delta loop antennas. Figure 7. Next is an AM long wire dipole antenna and it figures that the typical AM radio band in the US is about 500 Kc to 1. " Sorry!Music:Li Jul 18, 2023 · Frugal Radio’s Loop On Ground (LoG) Antenna; Tom builds a portable Loop-On-Ground antenna; Loop-On-Ground Antenna Part 2: Tom upgrades his low profile, low noise, portable DXing antenna; Loop-On-Ground Antenna Part 3: Tom’s low-noise, low-profile, portable antenna evolves; Make Your Own YouLoop. Only if doing so causes a ground-loop. A hacksaw or wood saw can be used to cut the PVC, a metal file to clean up the ends of the wires, a drill, a knife, regular and/or needle nose pliers. This antenna works great on the AM band because of the properties of these Mar 31, 2016 · Tuning a loop with a capacitor right at the feedpoint is great - although it may be impractical. The features are not real different from loop to loop. Because of AM radio's low frequency and clarity, it mainly broadcasts news, talk radio and sports shows. 050 centers it would be 0. For the best results, we recommend placing the loop antenna in the Aug 8, 2004 · GA450 Loop Antenna, GOOZEEZOO Active Shortwave Radio Antenna with BNC Cable HF Antenna SW 2. This very simple design can outperform other styles, and is an inexpensive way to extend the range of most AM radios. Join the ends of your copper wire to the 2 ends of a coax cable. Perhaps you might want to build one for yourself. Regards, Turkel Dec 17, 2024 · If you click here–Electrically Small Resonant Loop Antenna for Mediumwave Reception (PDF)–you can download a copy of Bob Colegrove’s excellent paper on the Electrically Small Resonant Loop Antenna for Mediumwave Reception. Yo And if you follow the steps, you should have yourself a nice loop antenna that works well and fits at almost any QTH. Only one loop of a solid copper wire of about 6 inches (diameter) is enough to connect an AM loop antenna to the radio receiver. Dec 23, 2016 · In this series we will show the operator how to use the DIY Magnetic Loop Antenna starter kit to build their own mag-loop antenna, according to their budget, their requirements, their specifications. A simple antenna design I found on the internet, once you find the right spot you will Jun 6, 2024 · Whip antennas and longwire antennas are a different animal than a coiled, loop antenna, which is technically an antenna that is also a coil, or inductor. com/mb/amandx/loop. "This DIY AM antenna is best used outdoorsIt amplifies all weak AM signals, so a powerful local station might be heard over your entire AM radio dial. In the photo above, I am using my Sony ICF-2010 to listen to WCCO on 830 kHz. Kindle e-book, “Seeking the Optimum Magnetic Loop Antenna” by the . This antenna is horizontally polarized and should be mounted as high as possible but works well at low heights of 10-30 feet. DIYers can build their own passive loop. Do I need a capacitor for this? I am curious whether the shape and size of the loop is critical to the efficiency of the AM reception and how you determined the optimum design. I would not stay in place as I wound it so I tried adding a little super-glue ever so often. 6 MHz. We would love it if you send a comment and/or picture that we can post. The antenna instantly and dramatically boosts the AM reception of any portable radio, home stereo receiver or table top radio, by simply placing the antenna near your radio and tuning it, or, with this model, allows you to hard-wire the antenna to Nov 28, 2018 · Richard Fisher, KI6SN, shows viewers how to make a loop antenna for the U. Oct 13, 2010 · Thanks, Bill! My Technics receiver now picks up a whole lot more AM stations than it used to, now that I finally have the correct loop antenna for it. 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’. com - THE WOODEN ALTAZIMUTH HOOP LOOP; Ramsey; NRSC AM; STORMWISE Monster Ferrite Rods; Air Variable Capacitors, Shafted; Terk WARNING - sticky site. I'm also new to the Starter Kit, and have only once built a 6 meter magnetic loop antenna to use with my Yaesu FT-817ND. Hence. Loop antennas do not pick up like other antennas. Since AM reception has almost as much to do with location as antenna construction, you can build homemade loop antennas and Mar 17, 2019 · [Eric Sorensen] is going down the path less travelled, undertaking the build of a self-tuning magnetic loop antenna. When I was finished, I found the antenna was glued to my hand. An AM loop antenna is used to improve the Amplitude Modulation (AM) radio reception. We'll make it out of . Form a three inch coil with seven turns. wire, and some 75 ohm RG-59 or RG-6 coax (for TV’s). The build utilises the DIY Magnetic Loop Starter Kit from Chamaleon Antenna. There is a loop antennas Yahoo group, and we do have a loop antennas wiki, but for the most part, it concentrates on commercial units and although some cover HF, most cover the MW band. Construct a wood frame that measures 12 inches from point to point (17 inches across each bar). Feb 9, 2017 · Last month I published the teaser video for the Ultimate Man Portable Magnetic Loop antenna build. He has actually built this antenna; it works; and he uses it often. Old school AM receivers are so simple a beginner can build one It hung from the ceiling lamp in my bedroom. Is it possible to build an AM loop antenna with a ferrite core? Jun 9, 2014 · Most of the online instructions for home made loop antennas require an external capacitor from an old radio to work with the loop antenna, but I think they are linking up to old AM radios. Here is what you need: Continue Reading Aug 20, 2020 · If you can’t have a big antenna — or even if you can — a loop antenna can help your big antenna fit in less space. 5 feet long. Mar 25, 2023 · My receiver have 2 antenna ports, as usual in all receivers))) 1) AM Loop 2) FM Unbal 75om I have one antenna - AM loop only. Wood, plastic, and cardboard seem to be popular materials for loop making. Apr 9, 2018 · You can experiment with the diameter of the coil, the number of turns and the length of antenna wire you use. Applications and Uses. AM Broadcast Band Loop Antenna, Very Effective. About the loop depth - this is the total width of the loop in inches. where they are very popular. " Our AM RADIO DX LOOP ANTENNA KIT allows you to build the AMDX-1000 loop antenna. (1) #35 enameled copper wire AM radio broadcasting uses amplitude modulation. With a loop you have the ability to peak/null, wanted/unwanted Check out our step by step guide on how you can build your own AM Loop Antenna with items that are commonly found at your local hardware and electronics store. Sep 10, 2007 · Remember, this is a loop antenna. Then 10 years later, I wound wire on a ferrite rod for VLF. Only simple hand tools are used for construction and NO SOLDERING is necessary to build the antenna. Apr 6, 2020 · Over on the SWLing Post Blog Thomas has uploaded an excellent tutorial showing how you can build your own YouLoop (aka a Noise-Cancelling Passive Loop). They won't let you back here!!! The Black Hole The Tuned Loop Antenna Loop antennas have been used for more than 100 years. Sep 15, 2020. 8, 2017There is a typo in the video around 1:40. The main advantage of this antenna is the null provided in direction perpendicular to the plane of the loop. Both ends of the loop must be connected to your receiver or tuner. This loop is nice because is it so light and easy to place pretty much anywhere. Nov 16, 2020 · Here is a quick video about air core loops that I built that really enhance the reception of even a good radio. I hope your effort Aug 17, 2018 · This entry was posted in AM, Antennas, How To, Mediumwave, News, Radios and tagged AM Passive Loop antenna, Bill Hemphill (WD9EQD), Homebrew Mag Loop Antenna, Loop Antennas, Mag Loop Antennas, Magnetic Loop Antennas on August 17, 2018 by Thomas. The radio should have two antenna lead screws -- positive and Nov 12, 2024 · I'm listening to my Radio Shack DX-398 radio connected to my nearby DIY AM Loop Antenna from my boiler room located in Yonkers, New York. This DIY AM antenna is best used outdoors but you can make it work inside by somehow re-routing the wires. AM radio signals are disrupted by tall, metal buildings and electrical noise, such as electrical motors or lightning. 1. I did try coupling by a ferrite ring first off, but it didn’t work correctly. How to Make an AM Loop Antenna. of 20 ga. 3-30MHz MW 522-1710KHz Portable Receiving Antenna for Ham Radio 97 $89. All the loops described here were designed and built by myself. this loop antenna will greatly help to cover the full AM standard communicated band from 550-1700 kHz. To increase the radio's AM frequency, try building your own AM antenna at Apr 1, 2016 · The best thing about an AM loop is that there is a sharp null broadside to the antenna and you can eliminate single sources of interference by rotating the antenna and nulling them out. One option is to tune the system as a whole in the shack near the radio. Aug 15, 2014 · I am building an AM loop antenna for my antique radios. Indeed there are two different types of loop antennas, The first of these is the ferrite bar as build into practically every portable radio, the other is wound on an air-core form, and is Mar 20, 2021 · Thanks Forum community for opportunity to post, first time. 400; The wire length would be for single conductor wire, not ribbon cable. They range anywhere from $300 to $500 according to Apr 10, 2023 · Steps to Build Your Own AM Loop Antenna: 1# Cut a piece of cardboard or plastic to create the frame for the antenna. Forget the formulas and just get ahold of approximately 110 ft. 45 inches deep (0. com/ This is the loop antenna calculator page I used design my loop:http://www. rfsupplier. Also, note that the ends of your copper wires will be the antenna terminals. I'm also new to the Starter Kit, and have only once built a 6 meter magnetic loop antenna. Sep 29, 2021 · How to Make an AM Loop Antenna. Tuned loop antennas were first popularized in the 1940s. Amplitude modulation (AM) radio receivers can use a variety of antenna designs, and one that offers superior reception is the loop antenna. If the spreader was attached to the mast then the loop wouldn’t rotate by itself in the wind. Guest Post: SM0VPO’s 3D Printed 10KV Tuning Capacitor. Let's call it about 1. San Antonio, Texas i In order to receive clear AM Stereo signals -- on the TX-11b or any other AM radio, however, you have to have a good antenna. The YouLoop is a passive loop antenna designed for HF reception, but also works well Jan 14, 2023 · This is a repost of old antenna making video. Not yet complete but I show you how it works. May 30, 2018 · This entry was posted in Antennas, How To, Mediumwave, News, Shortwave Radio and tagged Giuseppe Morlè (IZ0GZW), Homebrew Mag Loop Antenna, how to build a magnetic loop antenna, Loop Antennas, Mag Loop Antennas, Magnetic Loop Antennas, Shoe Rack Loop Antenna on February 2, 2022 by Thomas. I made this one out of some car Medium Wave AM Broadcast Band Resonant Loop Antenna. Mar 13, 2022 · Circuit and some pictures of AM Tuned Loop With the pickup loop connected to my Tivoli Model One BT with external AM antenna input, it boost the number of stations received. author here. The capacitor was built quickly from cardboard and flashing and the loop Feb 22, 2012 · For the purposes of this article we’ll assume that you want to build a loop to cover the 20-10M bands. The drawback of most commercially available loop antennae is the price. To determine the approximate circumference in feet of a full wave loop antenna use the formula: Nov 30, 2024 · Figure-8 Bow Tie multiband horizontal loop; 80m Horizontal Loop Antenna for Field Day; Portable 200 ohm loop antenna; Wire quad antennas; 5-element 20m Portable Delta Loop beam; simple 2m 2-element quad; Feeding large loops; Double loops; hand-held DF loop for 40m through 15m; loop antenna photos; BACK TO: antenna designs. 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. If you've been following our previous posts you'll know that we recently started selling the 'YouLoop' which is designed and produced by Youssef from Airspy. This antenna works great on the AM band because of the properties of these Back in the day, radios were AM only, and if you wanted to listen to your favorite programs you had to have an outside antenna. angelfire. Apr 13, 2020 · Learning to build something that communicates across the globe without depending on some big corporate network is a wonderful thing. What is a Tuned Loop Antenna? The loop antenna is designed primarily for the AM band, which utilises the 530 khz to 1620 khz section of the radio spectrum. I never figured out a way to keep it pointed in one direction. It is made of RG58. My eventual goal is to use this antenna in a DIY MW/LW receiver project, with the TA 7642 AM radio IC. For satisfying results from a m ag loop builders and buyers need to implement all these factors: Oct 15, 2021 · This entry was posted in Antennas, Guest Posts, How To, News, Shortwave Radio and tagged Bob Colegrove, DIY, Guest Posts, How to build Passive Resonant Transformer-Coupled Loop Antenna, Loop Antennas, Mag Loop Antennas, Magnetic Loop Antennas, Passive Loop Antennas, Passive Resonant Transformer-Coupled Loop Antenna, PRTCL Antenna on October 15 The Faraday loop must be one fifth the size of the main loop, and is not connected electrically. The Terk AM Advantage is an excellent indoor antenna, great for receiving distant stations. AM radio reception can be a little tricky, given its highly directional nature. The Optimizing Factors . S Nov 18, 2020 · If you LOVE our channel, and if you want to HELP and SUPPORT our channel, you can do that by JOINING our channel to get access to perks. Here's mine: It's tuned with a tuning capacitor taken from an old junk AM radio: Our AM RADIO DX LOOP ANTENNA KIT allows you to build the AMDX-1000 loop antenna. 4-5. Ideally, a loop antenna is designed to be portable, easy to assemble, small enough to use when camping or operating in remote locations, and able to cover several bands. scan_madison. The example I loaded was the 3 foot ribbon cable loop, and with 9 turns on 0. Jun 14, 2024 · To reduce interference, orient the antenna perpendicular to the direction of the interference source, keep the antenna away from electrical devices, and consider using a shielded loop antenna. However, the characteristics of a well-built loop antenna and a commercially purchased unit are mainly cosmetic. Resonant antennas cut to the exact frequency, in the middle portion of the band, and used with a tuner of sufficient size, can tune several bands. Crafting the perfect frame for your artwork can be an intimidating task but aim for a 6-8 inch diameter either in a circular or square shape to create the ideal framing. For those that don’t have any engineering or science background, it would help to show how the antenna is connected to the radio, perhaps even several different radios to demonstrate different means loop antennas for amateur radio use. Commercial models include the Tern AM Antenna Advantage and the Kato AM-100. loop antenna theory This FM antenna is what is called a Full Wave Loop antenna. However, when I touch the antenna with my hand, I can hear the radio station pretty well. Call me picky, but I just couldn't stand it so Oct 21, 2018 · AM and FM Loop Antenna for audio receiver systems----------https://www. The required information for the MLA calculator is: Length of the loop; The conductor diameter; Frequency/s of operation; Input power to the antenna *REUPLOAD* - Sorry folks, but YouTube decided to fill all the blank spaces with static in the last go-round. Most magnetic loops have the capacitor at the top of the main loop and the gamma match or matching loop at the bottom, this arrangement avoids running the feed-line through the center of the antenna. Carr [ARRL Antenna Handbook, 20 th Edition, pp. 104 votes, 16 comments. Generally the longer the antenna wire the better so if you have a 100' antenna wire, that's good. e. with a typical variable capacitor of 350 pF you would need a loop with 270 uH to get down to 530 kHz. 2. The formula used to find a full wave loop antenna is 1005 / FMhz. Dec 23, 2024 · Look up how to make a box loop antenna. Here’s a simple AM loop antenna structure that’s more efficient than various loop antenna styles. Feel free to click t Jun 17, 2019 · 13dka June 18, 2019 at 9:30 am. 6], and incorporating Oct 20, 2024 · The early AM radios for the most part used what we call a loop antenna, a Google of AM loop antennas should give you a start. Whichever material you decide to make your loop antenna from, just make sure that it is not a conductive material. [Eric]’s build is designed to operate at 100W on the 20 meter band, and this Aug 4, 2023 · The loop hangs from the top of the wire element. Getting Started Aug 24, 2022 · I attempted to build this tuned loop antenna in conjunction with this calculator loop calc It worked about the same as the built in antenna before the capacitor was connected. 00 1:22 Apr 9, 2018 · You can experiment with the diameter of the coil, the number of turns and the length of antenna wire you use. A loop antenna is basically an ordinary radio antenna that is shaped into a loop. Can I connect it to FM port? Actually when I connect it works OK but it may also damage tuner or reception of rf may not be high quality. 00 $ 89 . the bigger the loop and the more turns, the more L it has and the less C you need. If outdoor antennas aren’t practical for your home environment, you can use a bi-directional loop antenna that passively couples to your radio for increased reception. One simplified, practical formula for calculating the approximate loop inductance is attributed to Joseph J. In the video after the break, [TheOffsetVolt] covers an AM loop and shows Nov 6, 2020 · Many antennas will have some sort of AM loop on them, because receiving the AM signal doesn’t make a difference to the FM and TV signals, and because adding an AM loop adds a lot of value. I’ll run through the calculations required to build the MLA. There are numerous designs and variations, as well as commercial products, but they all follow the same basic design. This is my first DIY antenna, 120 turns of 28 AWG enameled copper wire, on a 135 x 10mm ferrite bar. Check out the circuit diagram below: Circuit Components. g. You can connect your AM loop antenna easily. That is, you can buy or build your own so-called antenna-tuner, and tune out the complex impedance presented by the whole structure. it all depends on the inductance (L) of the loop antenna, which tells you how much capacitance (C) you need, according to the resonance equation f^2 = 1/(4*pi*L*C). AM broadcast band that can improve station reception - even when using a crummy Conclusion: The PK’s A-LOOP-TAM is an excellent performer in this category. scan_madison; Sep 14, 2020; Receive Antennas (below 30MHz) Replies 6 Views 2K. Common L-type or T-types work. A good example is the in-built ferrite loop antennas of most AM broadcast radios with antenna inefficiency. Why spend the money if you have the parts in Mar 5, 2012 · DIY Magnetic Loop Antenna – Part 1 DIY Magnetic Loop Antenna – Part 2. The diagram below shows the design of this indoor FM antenna: In order to build this indoor FM antenna, all you need is two 3/8” dowel rods 48” long, 10 ft. For those that don’t have any engineering or science background, it would help to show how the antenna is connected to the radio, perhaps even several different radios to demonstrate different means Feb 18, 2012 · A magnetic loop antenna may be the answer and they are not as difficult to build as you might think. 94K subscribers in the RTLSDR community. While… The Pennyloop antenna is a very simple loop antenna to build and offers very high performance. Feb 16, 2023 · If you can go longer, all the better. If you want to see some other great AM antennas try searching am loop antenna DIY. Apr 24, 2012 · A very quick diy loop antenna for the lower am bands with a diy variable capacitor. S. It amplifies all weak AM signals, so a powerful local station might be heard over your entire AM radio dial. 0 MHz as the center frequency. That's a common concern when connecting two devices together where each one has a different ground line. Here is what you need: Continue Reading In this series we will show the operator how to use the DIY Magnetic Loop Antenna starter kit to build their own magloop antenna, according to their budget, their own requirements, their own specifications. Note that on some tuners, this loops forms part of the tuned circuit, so it is required to be connected even if you intend to use a longwire antenna. Indeed there are two different types of loop antennas, The first of these is the ferrite bar as build into practically every portable radio, the other is wound on an air-core form, and is An very inexpensive DIY, loop style AM antenna. For this AM loop antenna, you will need: 1. Like getting on the air for the first time or taking your license exam there is a certain amount of uncertainty when you first approach magnetic loop antennas, there are a few new ideas to grasp. Honestly, I read the first paragraph and didn't see the part about 10-365pf cap later down. 5. of wire and wind it around a plastic milk crate. So we are all kind of new to this. A subreddit for the low-cost software defined radio (SDR) community. After the cap was put in line, there was no change in the signal strength. May 4, 2020 · Then, wound 16 turns on a square. Apr 5, 2020 · As built, the antenna loop is completely isolated from the feedline & receiver; as drawn, the centre point of the shielded section of the antenna is connected to the secondary (radio side) ground of the 1:1 transformer – so the antenna is now (potentially poorly/noisily, depending on receiver grounding) grounded at its centre point *and* the I am curious whether the shape and size of the loop is critical to the efficiency of the AM reception and how you determined the optimum design. They are quieter than a dipole or a vertical, have a broader bandwidth and will usually out perform a dipole antenna. Mar 3, 2009 · When I feed an AM signal from my generator into the receiver it works perfectly. Does anyone have an idea of why this is happening? The antenna is a loop type. Improve Your AM Radio Reception with a DIY Loop Antenna!Here's a great project for you radio fans: a simple AM loop antenna. Video walk through with directions for an easy to build AM FM antenna. The tuned loop antenna is easy to build at home. It's easy as pie to build. tblcebnd ijutwmr xuiti ioyxpsa opz hsk tczmc egjg klcwdk bkbt