Diy long wire antenna. The unun was floating at about 15 feet above .
Diy long wire antenna My original design works extremely well but If the resulting antenna leads aren’t long enough, extend them using the pieces of wire you cut off in step 4, all twisted so they have approximately 2 turns per inch. In scope for DIY; Wire Beam Cons. 3. In the air though, that’s quite heavy and so I used Remington Industries 24ga stranded wire for that. I then straightened each wire as best I could, but they still weren’t straight. It became clear that to get what I want, it would need to be a DIY project. For the ground wire, I just used some stranded 14ga wire that I bought at a garage sale. Don't need to spend big bucks on Wi-Fi extenders, just build a budget-friendly Wi-Fi antenna at home. . As of this writing, 300 Ohm antenna wire is pretty scarce. 4 thoughts on “ Discussing Vertical And Wire Antennas. A 100 foot spool is cheap on Amazon. This is a very inexpensive project which you ca The most complicated antenna I've built was a Gray Hoverman for UHF reception. Soldering iron; Pliers; Double sided tape; Assorted clamps; Wire Get ready to create a buzz with our Buzzing Bee Door Hanger Wreath! This seasonal charmer features vibrant yellow ribbons, adorable bee accents, and lush greenery, perfect for adding a perfect touch of summer to your front door. "HO7 V-K 4" is the European harmonisation code for this wire. Don’t strip the insulation yet: the purpose is to transfer mechanical stress from the wire to the insulator. Comparatively Fragile; More frequent maintenance; May be sensitive to weather; A TV antenna is fine, but a wire beam antenna is in a The collinear is fed the same way as the long-wire antenna but uses 1/4-wavelength shorted phasing stubs between the half-wavelength elements. I hav Deoxit Contact Cleaner https://amzn. In this short video I demonstrate how easy it is to make a 10m dipole antenna using speaker wire. squarespace. Build a base for your antenna out of wood, plastic pipe, or other insulating material. For this antenna you will need two Cut 5 pieces of wire, each 22 in. 🡇 ⸺⸺ accreditation 2 each 1/8" Stainless steel rod, 3' (. For maximum reception, stretch the antenna wire out perpendicular to the station you want to listen to. To connect your antenna with the RG-8 coaxial cable. com/produktfiler/Wire%20Lengths%20for%204%20and%209-1%20ununs. End fed antenna 9:1 UnUn. You need about 100 feet of wire in the air, and about half that on the ground. 30′ Coleman 12AWG 600V flexible wire (or equivalent) (#8) Anderson Powerpole connectors (30 amp). So, I decided to pursue a 9:1 unun-based end-fed “random wire” (EFRW) antenna. As a comparison, 4mm² corresponds to about AWG 11. pdfA link to w Speaker wire is not an ideal solution to long-range issues. Single element. 7 cm x 6. Palomar Engineers employs a dual core matching system that Citizen Band Loft Antenna, A Home-brew Wire antenna for 11 Meters. amazon. i made myself my own frame-antenna with 2planks of wood and a length of wire (plus DIY capacitor). The small loops of rope can be left on the wire and used to attach the main support ropes. Some safety notes: 1. You can purchase the best ham transceiver on the planet, but if your antenna system is poor, your investment will largely go to waste. 40m loaded dipole design. Best Links of the Week Top Amateur Radio Websites – Issue 2508. 01:22 Random wire antennas: long wire or end fed Zepp 03:11 Wire Lengths are important 04:09 Ferrite cores and wire 06:55 Building the 9:1 transformer 09:28 Installing the antenna Build an easy and inexpensive portable antenna for 20 meters and other bands. A wire antenna of that length would be challenging to deploy, even in more open areas. to/3yzKboZDIY on the Cheap Ham Shortwave Long Wire Antenna InstallationTo Help Support the C Figure 11. MATERIALS AND TOOLS. a long-wire antenna: (You may want to make a note of them) REVISED: 29 35. Sturdy plastic cutting boards The arms of the antenna are built using 3-conductors wire (which may be flat or round) and the 3 conductors are connected this way: That is, connected “in series”, this means that, the electrical length of the antenna will be three times its physical one; this does NOT mean that the antenna will perform like a single wire of the same (total In today’s digital age, making a homemade DIY TV antenna has become a rewarding project for many. The ground stake can be driven into a convenient and safe place nearby. the bandwidth is exactly on the dot. 2. 00 just a year ago. 2 Ways to Repair a Radio Antenna: Aluminum Foil & Soda Can. The 3. The downfall is that you will want to broadside it in the direction you wish to receive to get the best possible reception in that direction. If you prefer using a single wire (possibly more convenient to erect), connect the shield to the actual earth using a In this weeks video Rob from his Frugal Radio YouTube channel shows us how he's turned an old piece of scrap electrical extension cord into an effective HF antenna for his Airspy HF+ SDR. Share your videos with friends, family, and the world I want to build a "Bambi" or full wave loop antenna with 27. The easy way is to buy (or otherwise locate) a length of insulated wire. I thought it would be an idea to make an improved HF Vertical Antenna. dxsupply. Building a Long Wire / Random Wire Multiband Dipole antenna for 40 through 10 meters #hamradioantenna #hamradio #portablehamradio Building and using a Random Wire Antenna. ) These inventions simply use the ever popular 300 Ohm antenna lead in wire. I show you how to build a non resonant random wire antenna with a 9:1 transformer. then after getting a station I would try clipping on the 23 foot long wire antenna I made with an alligator clip, I was surprised that adding the 23 foot long wire seemed to THE LONG WIRE SHORTWAVE ANTENNA The simplest multiband shortwave antenna for shortwave listening is probably the longwire for most newcomers to building antennas. 38500 as my center of the band. Click this link if you want For all my wire antenna projects I always use extremely flexible and comparatively cheap black-coloured 4mm²-sized tinned HO7 V-K 4 wire. thrivelife. For most backyard antennas, the average ham is lucky to achieve an antenna height of 1 wavelength on 10 meters, while the truly fortunate operator may get I have an antenna that's well above the treeline, and I've heard I can add some small amount of protection by placing two bolt heads a short distance from each other, one connected to the antenna, In this video I show you how to make a 110µH loading coil to allow 80m operation on a 66ft end fad half wave. The Half-Wave End-fed is an excellent antenna for CB, best used vertically. This setup worked but not very well. They can range from a simple wire thrown into a tree or a complex quad beam on a 40 A do it yourself homemade 66ft hf long wire antenna for the hf bands receive only! Made from 6ft of rg8x coax as the feeder, and 60ft of transparent speaker Can a non resonant antenna be efficient? It sure can. REVISION NOTE: We had a note My first antenna was a Chameleon cha-emcomm-ii end-fed antenna 60′ long installed as a sloper in a pine tree in the back yard. With light stranded wire, I just tie the wire to the insulator, which should provide a hole or ring for this purpose. That means if you draw a make-believe line toward the station, you want to lay the antenna wire out 90 In this video, we use some floral wire from a hardware store to build a 20 meter vertical with a BNC binding post. A roll of 300 or 450 Ohm antenna wire was $55. You want to tie the antenna wire to a thin cord and run this through a pulley, attached to the In an uncomplicated way I'll show how I constructed my first outdoor long wire Nathan shows you how to build random wire (or long wire) radio antenna. After building the antenna, I use it to make a QRP contact Learn to make a DIY TV antenna using coaxial cable with this step-by-step guide. Knowing this halfwave length, we can either make the dipole legs (λ/4) or we can create a long wire antenna on any multiple of that halfwave. The bottom rope loop easily slides along the wire, while the upper loop is the same knot, but with the wire bent and the rope pulled tight around it. Best Links of the Week After recently been given some water pipe. Even if it is 1/2 wave, if its lower than 1/4 $\begingroup$ Bare wire of that length is subject to very high DC voltages when it's windy & the air is dry. The ends are points of voltage maximum, and insulators enable the voltages to be properly managed without breaking down. 5 41 58 71 84 107 119 148 203 347 407 423. I've played with making myself a "home designed" long-wire magnetic balun, which basically To connect the antenna with your CB radio, you need this cable, so it has to be long enough to stretch from where your antenna will be mounted, to the place in the car where your radio is. My goal is to have an excellent multi-element long wire antenna that I can attach to a good antenna tuner via an unun and choke. Other than wire, other components needed for this antenna are an impedance transformer (~ 5:2 turns ratio), a couple common-mode chokes to reduce signal pickup in the feedline, and some RG-6 or other 75-ohm coax. Almost TOO easy. So I laid a piece of wood on the floor a bit longer than the wires, laid one wire on the board, and placed Here are the final numbers (in my opinion) in green below that would be good for a long-wire antenna: (You may want to make a note of them) REVISED: 29 35. How to make a Shortwave Antenna. Tools. In fact, I have two commercial EFRW antennas available, but have The Top 10 easy to build wire antennas for HF ham radio. When wire antenna's stretch that also de-tune downward in frequency as they become longer. 5 meters of wire on a 10 meter pole to make a vertical antenna #hamradio #portablehamradio #hamradioantenna The key to end fed antenna success is the matching network interface between the long wire antenna and the coax feed line and feed line choke at the transceiver. Keep your antenna Long wire (your first antenna) Long wire (your first antenna) In this article I will go over the basics to getting your first "long wire" antenna up and running. 4 cm x 7 mm). Create a Cheap Wi-Fi Antenna at Home: DIY Guide. The hard way is to buy bare antenna wire with a couple of insulators for either end and mount that. The unun was floating at about 15 feet above THE LONG WIRE SHORTWAVE ANTENNA The simplest multiband shortwave antenna for shortwave listening is probably the longwire for most newcomers to building antennas. LINKED ANTENNA RADIATOR WIRE FOR 6/10/12/15/17 METERS. Dipoles need to be half a wavelength long, locating these long antennas can be an issue, especially when we are aiming for the 80 metre band or lower. I’ve seen them available in copper and stainless steel and are pretty difficult to see. This In this weeks video we build a simple long wire antenna. The bronze wire is extremely strong and will last a life time, I'm sure it's weight rating is way over 1000 lbs. He then stretches the dipole out through his First, it is important to understand the difference between the end fed half wave and a random wire (or “long wire”) antenna: the random wire is just a piece of wire that is matched to 50 Ohm impedance using an antenna coupler, sometimes adding a 9:1 unun. 5 41 58 71 84 107 119 148 203 347 407 423 REVISION NOTE: We had a note from James, KB5YN, pointing out that one of my so-called GOOD numbers was 220 feet. Don’t let this term scare you. Step 2: attach the wires to the center insulator. Supplies (see the Long Wire Directional Anyhow, back to the reason for my post, I was doing a lot of research on making a DIY antenna wire, one where you have an alligator clip to clip it to the whip antenna. Always test your antenna before you take the time to make it look nice and neat. The criteria was straightforward: inexpensive; uses common parts that are easily available and/or substituted; minimum complexity; The third and last Start your free Squarespace trial today at http://www. I read on some sites that I DO NOT need a feed point Transformer. Acrylic Plexiglass, 18" x 2-1/2" x 1/4" (45. A DYI long wire antenna project using a 9:1 un un. Simple design: Long wire antennas have a straightforward design, consisting of a long wire stretched between two points. You can go to a lot of trouble or not - it's up to you. I'm not interested in aiming right now, so an omnidirectional antenna would be best. I can buy a 75 ohm coax and cut, solder to antenna then put on my connecter to which my 50 ohm coax runs to my rig( FT450D). We hoisted the free end of the antenna wire approximately 30 feet into a tree. If you have your 9:1 balun outside, and can ground it with a short wire to earth, great(er). It’s small enough to go though a window and close it. Reply reply More A multiband wire antenna with a twinlead feedline that can be easily tuned in several bands, witha 33 ft per leg you can have a 40 to 10 meters band coverage (by W1GFH) Related Stories. A simple wire can make a huge difference and cost almost nothing This video illustrates my attic longwire antenna with counterpoise. Construction of the LOG Antenna. The scrap wire is combined with a US$15 NooElec 9:1 balun which helps improve the impedance match of the antenna. com/rogue and use code ROGUE to get 10% off your first purchase. com/shop/iridium242 Stock up on your long term food storage here! https://www. Apr 27, 2025. I then passed the wire through the end of an insulator, and bent the irrigation tubing round using 3 cable ties In this article I will go over the basics to getting your first "long wire" antenna up and running. With the view to establish a quick and easy multi-band antenna for portable and camping operations a simple long wire antenna with an earth or earth plus counterpoise arrangement with a 9:1 voltage unun including a tuner or simply with a tuner is one possible solution. LLOYD. You might have the The simplest multiband shortwave antenna for shortwave listening is probably the longwire for The Long Wire Directional Antenna is a field expedient antenna that was designed to transmit its signal in one direction. I built a couple of these out of 12 ga. The 49:1 transformer is easy to make and affordable. I tied the insulator to the rope and pulled the antenna wire taught. This is a full size antenna Wrapping 12. That is the 10th multiple of a Two wires in opposite directions for a dipole, or a wire in the air, and the ground ( earth surface) for a monopole ( single wire) antenna. B. Tie the other end of the nylon rope to each insulator. This is a great antenna for shortwave receivers, as well as HF ham radio with an ante Grounding: From the ground terminal on your radio (next to the antenna terminal) run a wire to either a copper cold-water pipe (PVC pipe won’t work) or a copper ground rod driven into the ground. One RP-SMA Female Connector. These 10 homemade DIY tv antenna plans aim to walk you through the steps of how to make your own DIY antenna, helping you to catch free over-the-air television broadcasts without the need for costly subscriptions. You will need: A long wire (around 7-10 m minimum) Alligator clip (not absolutely necessary) Space; Ok the first thing you will need to do is find a suitable place for you wire. I've been reading tons of material on everything SW - radios, antenna design, coax, ununs, you name it - for about three weeks now, so I know just enough to be dangerous. It gets technical but it, or something like it, is an essential tool to have around (so is the one about grounding and bonding for amateur radio). Randall Krippner September 20, 2020 at 06:22. It is literally, a random long length of wire stretched out from the shortwave receiver antenna connection and attached with some form of an insulator on the opposite end. to/3AoUWe8LED's https://amzn. Wire Antennas for the Beginner - ARRL In this video I talk about different types of wire and where you might want to use one type of wire over another in certain situations. build it in 20 minutes and get on the air! First, as in the old days, you need a long wire antenna. I then used the other piece of irrigation tube and connected it to another insulator the same way as the other end. The antenna wire is connected to the UnUn along with the earth connection and feeder coax. Careful! Unless it's 1/2 wavelength or longer, it's going to be omni-directional. ) but this is a close estimate and good enough for a field expedient dipole antenna. To make an FM antenna using speaker wire, start by splitting 3 feet of wire and arranging it to An end-fed half wave (EFHW) antenna would be naturally resonant, but would need to be over 250 ft (76m) long. Parts used: 8 foot fence rail for the mastTV antenna roof tripod1/2 or 3/4 inch How I build a 29 foot “random wire” vertical antenna for portable HF ham radio #portablehamradio #hamradioantenna #hamradio It is always best to use insulators at the end of the antenna wire. With the 9:1 voltage unun and wire lengths suggested in the below tables the antenna I'm thinking about building my first long wire in the attic (outdoors isn't a good option for us). For maximum reception, stretch the antenna wire out perpendicular to the station When it comes to getting the most enjoyment out of Amateur Radio, there is nothing more important than your antenna system. It would be nice if it weren't much more complex, but if it's inexpensive and good enough I'm willing to do a bit of work for an antenna I'll use a long time. WX1MAR and I brought the DIY 49:1 unun with a borrowed antenna radiator wire cut for 20M half-wavelength to Ashland State Park K-2417 in Massachusetts for a Parks-on-the-Air (POTA) activation. co I unwound the antenna wire up to the top of the garden and cut it about 1M short of the pole. I read on most sites that I DO NEED a feed point Transformer. You can make phasing stubs out of common 450-Ω ladder line, but you have to watch the velocity factor. The bare copper wire is strung from Nathan shows you how to build random wire (or long wire) radio antenna. The process is not only cost-effective but also allows for When the antenna is built, you just put it on the ground and attach a feedline. The other end (not shown) of the coil will go to the ground stake so leave enough wire. Historically, the random wire antenna, also called the end fed Zepp due to its use on Zepplin dirigibles, dates back to the earliest days of amateur radio. If you are near a window, and can run a 8 foot wire to a stake in the earth to your radio, great. I enthusiastically agree with your comments about the ARRL antenna book. You can run a stealth long wire antenna using a very thin #18 wire that coated in black Teflon. You can use them for any frequency, including the HF bands, but you will need a tall tower, or a high tree to hang them high in the sky. Mounting the 80 metre end fed antenna. 9 m) long. Or, depending on the location, you could hang the antenna from a ceiling. 7v lithium-ion rechargeable battery provides superior run time for extended DXing sessions, and is included in the D-808 shipping package, along with a USB cord to charge the battery, a plug-in wire antenna (for FM,SW and AIR), a vinyl carrying case, and a pretty basic English instruction manual. FT-140 43 mix Ferrite Homemade DIY TV Antenna from copper wire - how to make a simple dipole OTA TV antennaThis Homemade Dipole TV Antenna performs very well! Homemade Television REAL WORLD DIY ANTENNA TEST. It is used by the military to setup at a covert transmitting location and is aimed towards their base. From decoding digital tones, listening to broadcast stations or amateur transmissions - all can be a lot of fun. It has connections both to the garage (gator clip for a receiver's telescopic whip) and t 3. I cut the irrigation tube in half and threaded it onto the end of the antenna wire pulling around 1M of wire through. 9. I plan to try to hang the entire length from a tree in front of my house then draping diagonally over my roof to a tree in back with an approximate north/south orientation and use an RG6 coax feed line at one end Table 1 serves as a reminder of how long a wavelength is on each of the HF amateur bands. (Radio signals don't care if the wire is insulated or not. It merely refers to how fast a radio signal travels through a Want to save money and build your own HDTV antenna, but don't know where to start? These DIY antenna builds show how easy it is. Use an Ohm meter to make sure you have a 0 or near 0 Ohms between the connection of your 84 feet of wire to the UnUn, and ground! And if you don't have any low resistance connection to ground, put a 1k-2k Ohm resistor between the bare wire and your Shop Our Amazon Store: https://www. wire with two 70 cm resonators and one out of 1" tape measure with one resonator. The wire should be a minimum of 65 fet long because it works well but the full 100 feet is There are other considerations (wire material, wire gauge, coating, etc. Using an eye-hook at each point, attach a length of nylon rope. I then tied off the rope to the pole bracket. A simple way to move the tie point along the wire to adjust the feedpoint impedance. My favorite SW antenna wire is "100 feet of 20 gauge stranded black hook up wire". Shortwave listening is alive and well. Wire chart:http://www. With some basic tools and DIY skills, you can construct a long wire antenna without breaking the bank. #hamradioantenna #hamradio #randomwireantennaLink to a great Random Wire Antenna Website:https://www. hamuniverse. #hamradio #hamradioantenna #amateurradioLink to my original antenna building video mentioned:https:/ (13) That’s it! Your 64:1 impedance transformer (unun) is finished! Time to build the linked endfed half-wave radiator wire. For AM - a long wire antenna goes a long way towards getting good reception. I made the HF multiband Random Long Wire Antenna with UNUN 9:1 (my toroid T130-26 from an old PC PSU) publicated by VK6YSF on his website here:https://vk6ysf Need a new TV antenna but can't afford to buy one or have it installed? Learn how to build a DIY TV antenna and save money. com/iridium242 Generally the longer the antenna wire the better so if you have a 100' antenna wire, that's good. I just had to try this out, can you build a CB antenna in your loft that really works, we I built a 41 foot end fed antenna for 40 through 10 meters and you can too #hamradioantenna #hamradio #endfedantenna Construct your dipole elements of wire, and at the feed point (center) connect one wire to the coax center and one wire to the coax shield. yet not immediately being able to find anything solid regarding a DIY VHF/UHF Dual Band Antenna, I Building the G7FEK HF Antenna. Antenna Design Antenna Safety Ask an Elmer About Batteries Code Practice Computer Help Electronics Emergency Power! FCC Information Ham Hints - Humor Ham Radio Books! Ham Radio News! HF & Shortwave HOME BREW LONG -WIRE BALUN BY Dr. Coffee and Ham Radios It makes measuring the wire much easier. long. pmtfhjmiudgdhnphvjxiwssghyeqqnncxwcwdjsxpfcdctmeqmclshnqhrgfipmqlpqebfgukjpfbvxszsfrdw
Diy long wire antenna My original design works extremely well but If the resulting antenna leads aren’t long enough, extend them using the pieces of wire you cut off in step 4, all twisted so they have approximately 2 turns per inch. In scope for DIY; Wire Beam Cons. 3. In the air though, that’s quite heavy and so I used Remington Industries 24ga stranded wire for that. I then straightened each wire as best I could, but they still weren’t straight. It became clear that to get what I want, it would need to be a DIY project. For the ground wire, I just used some stranded 14ga wire that I bought at a garage sale. Don't need to spend big bucks on Wi-Fi extenders, just build a budget-friendly Wi-Fi antenna at home. . As of this writing, 300 Ohm antenna wire is pretty scarce. 4 thoughts on “ Discussing Vertical And Wire Antennas. A 100 foot spool is cheap on Amazon. This is a very inexpensive project which you ca The most complicated antenna I've built was a Gray Hoverman for UHF reception. Soldering iron; Pliers; Double sided tape; Assorted clamps; Wire Get ready to create a buzz with our Buzzing Bee Door Hanger Wreath! This seasonal charmer features vibrant yellow ribbons, adorable bee accents, and lush greenery, perfect for adding a perfect touch of summer to your front door. "HO7 V-K 4" is the European harmonisation code for this wire. Don’t strip the insulation yet: the purpose is to transfer mechanical stress from the wire to the insulator. Comparatively Fragile; More frequent maintenance; May be sensitive to weather; A TV antenna is fine, but a wire beam antenna is in a The collinear is fed the same way as the long-wire antenna but uses 1/4-wavelength shorted phasing stubs between the half-wavelength elements. I hav Deoxit Contact Cleaner https://amzn. In this short video I demonstrate how easy it is to make a 10m dipole antenna using speaker wire. squarespace. Build a base for your antenna out of wood, plastic pipe, or other insulating material. For this antenna you will need two Cut 5 pieces of wire, each 22 in. 🡇 ⸺⸺ accreditation 2 each 1/8" Stainless steel rod, 3' (. For maximum reception, stretch the antenna wire out perpendicular to the station you want to listen to. To connect your antenna with the RG-8 coaxial cable. com/produktfiler/Wire%20Lengths%20for%204%20and%209-1%20ununs. End fed antenna 9:1 UnUn. You need about 100 feet of wire in the air, and about half that on the ground. 30′ Coleman 12AWG 600V flexible wire (or equivalent) (#8) Anderson Powerpole connectors (30 amp). So, I decided to pursue a 9:1 unun-based end-fed “random wire” (EFRW) antenna. As a comparison, 4mm² corresponds to about AWG 11. pdfA link to w Speaker wire is not an ideal solution to long-range issues. Single element. 7 cm x 6. Palomar Engineers employs a dual core matching system that Citizen Band Loft Antenna, A Home-brew Wire antenna for 11 Meters. amazon. i made myself my own frame-antenna with 2planks of wood and a length of wire (plus DIY capacitor). The small loops of rope can be left on the wire and used to attach the main support ropes. Some safety notes: 1. You can purchase the best ham transceiver on the planet, but if your antenna system is poor, your investment will largely go to waste. 40m loaded dipole design. Best Links of the Week Top Amateur Radio Websites – Issue 2508. 01:22 Random wire antennas: long wire or end fed Zepp 03:11 Wire Lengths are important 04:09 Ferrite cores and wire 06:55 Building the 9:1 transformer 09:28 Installing the antenna Build an easy and inexpensive portable antenna for 20 meters and other bands. A wire antenna of that length would be challenging to deploy, even in more open areas. to/3yzKboZDIY on the Cheap Ham Shortwave Long Wire Antenna InstallationTo Help Support the C Figure 11. MATERIALS AND TOOLS. a long-wire antenna: (You may want to make a note of them) REVISED: 29 35. Sturdy plastic cutting boards The arms of the antenna are built using 3-conductors wire (which may be flat or round) and the 3 conductors are connected this way: That is, connected “in series”, this means that, the electrical length of the antenna will be three times its physical one; this does NOT mean that the antenna will perform like a single wire of the same (total In today’s digital age, making a homemade DIY TV antenna has become a rewarding project for many. The ground stake can be driven into a convenient and safe place nearby. the bandwidth is exactly on the dot. 2. 00 just a year ago. 2 Ways to Repair a Radio Antenna: Aluminum Foil & Soda Can. The 3. The downfall is that you will want to broadside it in the direction you wish to receive to get the best possible reception in that direction. If you prefer using a single wire (possibly more convenient to erect), connect the shield to the actual earth using a In this weeks video Rob from his Frugal Radio YouTube channel shows us how he's turned an old piece of scrap electrical extension cord into an effective HF antenna for his Airspy HF+ SDR. Share your videos with friends, family, and the world I want to build a "Bambi" or full wave loop antenna with 27. The easy way is to buy (or otherwise locate) a length of insulated wire. I thought it would be an idea to make an improved HF Vertical Antenna. dxsupply. Building a Long Wire / Random Wire Multiband Dipole antenna for 40 through 10 meters #hamradioantenna #hamradio #portablehamradio Building and using a Random Wire Antenna. ) These inventions simply use the ever popular 300 Ohm antenna lead in wire. I show you how to build a non resonant random wire antenna with a 9:1 transformer. then after getting a station I would try clipping on the 23 foot long wire antenna I made with an alligator clip, I was surprised that adding the 23 foot long wire seemed to THE LONG WIRE SHORTWAVE ANTENNA The simplest multiband shortwave antenna for shortwave listening is probably the longwire for most newcomers to building antennas. 38500 as my center of the band. Click this link if you want For all my wire antenna projects I always use extremely flexible and comparatively cheap black-coloured 4mm²-sized tinned HO7 V-K 4 wire. thrivelife. For most backyard antennas, the average ham is lucky to achieve an antenna height of 1 wavelength on 10 meters, while the truly fortunate operator may get I have an antenna that's well above the treeline, and I've heard I can add some small amount of protection by placing two bolt heads a short distance from each other, one connected to the antenna, In this video I show you how to make a 110µH loading coil to allow 80m operation on a 66ft end fad half wave. The Half-Wave End-fed is an excellent antenna for CB, best used vertically. This setup worked but not very well. They can range from a simple wire thrown into a tree or a complex quad beam on a 40 A do it yourself homemade 66ft hf long wire antenna for the hf bands receive only! Made from 6ft of rg8x coax as the feeder, and 60ft of transparent speaker Can a non resonant antenna be efficient? It sure can. REVISION NOTE: We had a note My first antenna was a Chameleon cha-emcomm-ii end-fed antenna 60′ long installed as a sloper in a pine tree in the back yard. With light stranded wire, I just tie the wire to the insulator, which should provide a hole or ring for this purpose. That means if you draw a make-believe line toward the station, you want to lay the antenna wire out 90 In this video, we use some floral wire from a hardware store to build a 20 meter vertical with a BNC binding post. A roll of 300 or 450 Ohm antenna wire was $55. You want to tie the antenna wire to a thin cord and run this through a pulley, attached to the In an uncomplicated way I'll show how I constructed my first outdoor long wire Nathan shows you how to build random wire (or long wire) radio antenna. After building the antenna, I use it to make a QRP contact Learn to make a DIY TV antenna using coaxial cable with this step-by-step guide. Knowing this halfwave length, we can either make the dipole legs (λ/4) or we can create a long wire antenna on any multiple of that halfwave. The bottom rope loop easily slides along the wire, while the upper loop is the same knot, but with the wire bent and the rope pulled tight around it. Best Links of the Week After recently been given some water pipe. Even if it is 1/2 wave, if its lower than 1/4 $\begingroup$ Bare wire of that length is subject to very high DC voltages when it's windy & the air is dry. The ends are points of voltage maximum, and insulators enable the voltages to be properly managed without breaking down. 5 41 58 71 84 107 119 148 203 347 407 423. I've played with making myself a "home designed" long-wire magnetic balun, which basically To connect the antenna with your CB radio, you need this cable, so it has to be long enough to stretch from where your antenna will be mounted, to the place in the car where your radio is. My goal is to have an excellent multi-element long wire antenna that I can attach to a good antenna tuner via an unun and choke. Other than wire, other components needed for this antenna are an impedance transformer (~ 5:2 turns ratio), a couple common-mode chokes to reduce signal pickup in the feedline, and some RG-6 or other 75-ohm coax. Almost TOO easy. So I laid a piece of wood on the floor a bit longer than the wires, laid one wire on the board, and placed Here are the final numbers (in my opinion) in green below that would be good for a long-wire antenna: (You may want to make a note of them) REVISED: 29 35. How to make a Shortwave Antenna. Tools. In fact, I have two commercial EFRW antennas available, but have The Top 10 easy to build wire antennas for HF ham radio. When wire antenna's stretch that also de-tune downward in frequency as they become longer. 5 meters of wire on a 10 meter pole to make a vertical antenna #hamradio #portablehamradio #hamradioantenna The key to end fed antenna success is the matching network interface between the long wire antenna and the coax feed line and feed line choke at the transceiver. Keep your antenna Long wire (your first antenna) Long wire (your first antenna) In this article I will go over the basics to getting your first "long wire" antenna up and running. 4 cm x 7 mm). Create a Cheap Wi-Fi Antenna at Home: DIY Guide. The hard way is to buy bare antenna wire with a couple of insulators for either end and mount that. The unun was floating at about 15 feet above THE LONG WIRE SHORTWAVE ANTENNA The simplest multiband shortwave antenna for shortwave listening is probably the longwire for most newcomers to building antennas. LINKED ANTENNA RADIATOR WIRE FOR 6/10/12/15/17 METERS. Dipoles need to be half a wavelength long, locating these long antennas can be an issue, especially when we are aiming for the 80 metre band or lower. I’ve seen them available in copper and stainless steel and are pretty difficult to see. This In this weeks video we build a simple long wire antenna. The bronze wire is extremely strong and will last a life time, I'm sure it's weight rating is way over 1000 lbs. He then stretches the dipole out through his First, it is important to understand the difference between the end fed half wave and a random wire (or “long wire”) antenna: the random wire is just a piece of wire that is matched to 50 Ohm impedance using an antenna coupler, sometimes adding a 9:1 unun. 5 41 58 71 84 107 119 148 203 347 407 423 REVISION NOTE: We had a note from James, KB5YN, pointing out that one of my so-called GOOD numbers was 220 feet. Don’t let this term scare you. Step 2: attach the wires to the center insulator. Supplies (see the Long Wire Directional Anyhow, back to the reason for my post, I was doing a lot of research on making a DIY antenna wire, one where you have an alligator clip to clip it to the whip antenna. Always test your antenna before you take the time to make it look nice and neat. The criteria was straightforward: inexpensive; uses common parts that are easily available and/or substituted; minimum complexity; The third and last Start your free Squarespace trial today at http://www. I read on some sites that I DO NOT need a feed point Transformer. Acrylic Plexiglass, 18" x 2-1/2" x 1/4" (45. A DYI long wire antenna project using a 9:1 un un. Simple design: Long wire antennas have a straightforward design, consisting of a long wire stretched between two points. You can go to a lot of trouble or not - it's up to you. I'm not interested in aiming right now, so an omnidirectional antenna would be best. I can buy a 75 ohm coax and cut, solder to antenna then put on my connecter to which my 50 ohm coax runs to my rig( FT450D). We hoisted the free end of the antenna wire approximately 30 feet into a tree. If you have your 9:1 balun outside, and can ground it with a short wire to earth, great(er). It’s small enough to go though a window and close it. Reply reply More A multiband wire antenna with a twinlead feedline that can be easily tuned in several bands, witha 33 ft per leg you can have a 40 to 10 meters band coverage (by W1GFH) Related Stories. A simple wire can make a huge difference and cost almost nothing This video illustrates my attic longwire antenna with counterpoise. Construction of the LOG Antenna. The scrap wire is combined with a US$15 NooElec 9:1 balun which helps improve the impedance match of the antenna. com/rogue and use code ROGUE to get 10% off your first purchase. com/shop/iridium242 Stock up on your long term food storage here! https://www. Apr 27, 2025. I then passed the wire through the end of an insulator, and bent the irrigation tubing round using 3 cable ties In this article I will go over the basics to getting your first "long wire" antenna up and running. With the view to establish a quick and easy multi-band antenna for portable and camping operations a simple long wire antenna with an earth or earth plus counterpoise arrangement with a 9:1 voltage unun including a tuner or simply with a tuner is one possible solution. LLOYD. You might have the The simplest multiband shortwave antenna for shortwave listening is probably the longwire for The Long Wire Directional Antenna is a field expedient antenna that was designed to transmit its signal in one direction. I built a couple of these out of 12 ga. The 49:1 transformer is easy to make and affordable. I tied the insulator to the rope and pulled the antenna wire taught. This is a full size antenna Wrapping 12. That is the 10th multiple of a Two wires in opposite directions for a dipole, or a wire in the air, and the ground ( earth surface) for a monopole ( single wire) antenna. B. Tie the other end of the nylon rope to each insulator. This is a great antenna for shortwave receivers, as well as HF ham radio with an ante Grounding: From the ground terminal on your radio (next to the antenna terminal) run a wire to either a copper cold-water pipe (PVC pipe won’t work) or a copper ground rod driven into the ground. One RP-SMA Female Connector. These 10 homemade DIY tv antenna plans aim to walk you through the steps of how to make your own DIY antenna, helping you to catch free over-the-air television broadcasts without the need for costly subscriptions. You will need: A long wire (around 7-10 m minimum) Alligator clip (not absolutely necessary) Space; Ok the first thing you will need to do is find a suitable place for you wire. I've been reading tons of material on everything SW - radios, antenna design, coax, ununs, you name it - for about three weeks now, so I know just enough to be dangerous. It gets technical but it, or something like it, is an essential tool to have around (so is the one about grounding and bonding for amateur radio). Randall Krippner September 20, 2020 at 06:22. It is literally, a random long length of wire stretched out from the shortwave receiver antenna connection and attached with some form of an insulator on the opposite end. to/3AoUWe8LED's https://amzn. Wire Antennas for the Beginner - ARRL In this video I talk about different types of wire and where you might want to use one type of wire over another in certain situations. build it in 20 minutes and get on the air! First, as in the old days, you need a long wire antenna. I then used the other piece of irrigation tube and connected it to another insulator the same way as the other end. The antenna wire is connected to the UnUn along with the earth connection and feeder coax. Careful! Unless it's 1/2 wavelength or longer, it's going to be omni-directional. ) but this is a close estimate and good enough for a field expedient dipole antenna. To make an FM antenna using speaker wire, start by splitting 3 feet of wire and arranging it to An end-fed half wave (EFHW) antenna would be naturally resonant, but would need to be over 250 ft (76m) long. Parts used: 8 foot fence rail for the mastTV antenna roof tripod1/2 or 3/4 inch How I build a 29 foot “random wire” vertical antenna for portable HF ham radio #portablehamradio #hamradioantenna #hamradio It is always best to use insulators at the end of the antenna wire. With the 9:1 voltage unun and wire lengths suggested in the below tables the antenna I'm thinking about building my first long wire in the attic (outdoors isn't a good option for us). For maximum reception, stretch the antenna wire out perpendicular to the station When it comes to getting the most enjoyment out of Amateur Radio, there is nothing more important than your antenna system. It would be nice if it weren't much more complex, but if it's inexpensive and good enough I'm willing to do a bit of work for an antenna I'll use a long time. WX1MAR and I brought the DIY 49:1 unun with a borrowed antenna radiator wire cut for 20M half-wavelength to Ashland State Park K-2417 in Massachusetts for a Parks-on-the-Air (POTA) activation. co I unwound the antenna wire up to the top of the garden and cut it about 1M short of the pole. I read on most sites that I DO NEED a feed point Transformer. You can make phasing stubs out of common 450-Ω ladder line, but you have to watch the velocity factor. The bare copper wire is strung from Nathan shows you how to build random wire (or long wire) radio antenna. The process is not only cost-effective but also allows for When the antenna is built, you just put it on the ground and attach a feedline. The other end (not shown) of the coil will go to the ground stake so leave enough wire. Historically, the random wire antenna, also called the end fed Zepp due to its use on Zepplin dirigibles, dates back to the earliest days of amateur radio. If you are near a window, and can run a 8 foot wire to a stake in the earth to your radio, great. I enthusiastically agree with your comments about the ARRL antenna book. You can run a stealth long wire antenna using a very thin #18 wire that coated in black Teflon. You can use them for any frequency, including the HF bands, but you will need a tall tower, or a high tree to hang them high in the sky. Mounting the 80 metre end fed antenna. 9 m) long. Or, depending on the location, you could hang the antenna from a ceiling. 7v lithium-ion rechargeable battery provides superior run time for extended DXing sessions, and is included in the D-808 shipping package, along with a USB cord to charge the battery, a plug-in wire antenna (for FM,SW and AIR), a vinyl carrying case, and a pretty basic English instruction manual. FT-140 43 mix Ferrite Homemade DIY TV Antenna from copper wire - how to make a simple dipole OTA TV antennaThis Homemade Dipole TV Antenna performs very well! Homemade Television REAL WORLD DIY ANTENNA TEST. It is used by the military to setup at a covert transmitting location and is aimed towards their base. From decoding digital tones, listening to broadcast stations or amateur transmissions - all can be a lot of fun. It has connections both to the garage (gator clip for a receiver's telescopic whip) and t 3. I cut the irrigation tube in half and threaded it onto the end of the antenna wire pulling around 1M of wire through. 9. I plan to try to hang the entire length from a tree in front of my house then draping diagonally over my roof to a tree in back with an approximate north/south orientation and use an RG6 coax feed line at one end Table 1 serves as a reminder of how long a wavelength is on each of the HF amateur bands. (Radio signals don't care if the wire is insulated or not. It merely refers to how fast a radio signal travels through a Want to save money and build your own HDTV antenna, but don't know where to start? These DIY antenna builds show how easy it is. Use an Ohm meter to make sure you have a 0 or near 0 Ohms between the connection of your 84 feet of wire to the UnUn, and ground! And if you don't have any low resistance connection to ground, put a 1k-2k Ohm resistor between the bare wire and your Shop Our Amazon Store: https://www. wire with two 70 cm resonators and one out of 1" tape measure with one resonator. The wire should be a minimum of 65 fet long because it works well but the full 100 feet is There are other considerations (wire material, wire gauge, coating, etc. Using an eye-hook at each point, attach a length of nylon rope. I then tied off the rope to the pole bracket. A simple way to move the tie point along the wire to adjust the feedpoint impedance. My favorite SW antenna wire is "100 feet of 20 gauge stranded black hook up wire". Shortwave listening is alive and well. Wire chart:http://www. With some basic tools and DIY skills, you can construct a long wire antenna without breaking the bank. #hamradioantenna #hamradio #randomwireantennaLink to a great Random Wire Antenna Website:https://www. hamuniverse. #hamradio #hamradioantenna #amateurradioLink to my original antenna building video mentioned:https:/ (13) That’s it! Your 64:1 impedance transformer (unun) is finished! Time to build the linked endfed half-wave radiator wire. For AM - a long wire antenna goes a long way towards getting good reception. I made the HF multiband Random Long Wire Antenna with UNUN 9:1 (my toroid T130-26 from an old PC PSU) publicated by VK6YSF on his website here:https://vk6ysf Need a new TV antenna but can't afford to buy one or have it installed? Learn how to build a DIY TV antenna and save money. com/iridium242 Generally the longer the antenna wire the better so if you have a 100' antenna wire, that's good. I just had to try this out, can you build a CB antenna in your loft that really works, we I built a 41 foot end fed antenna for 40 through 10 meters and you can too #hamradioantenna #hamradio #endfedantenna Construct your dipole elements of wire, and at the feed point (center) connect one wire to the coax center and one wire to the coax shield. yet not immediately being able to find anything solid regarding a DIY VHF/UHF Dual Band Antenna, I Building the G7FEK HF Antenna. Antenna Design Antenna Safety Ask an Elmer About Batteries Code Practice Computer Help Electronics Emergency Power! FCC Information Ham Hints - Humor Ham Radio Books! Ham Radio News! HF & Shortwave HOME BREW LONG -WIRE BALUN BY Dr. Coffee and Ham Radios It makes measuring the wire much easier. long. pmtfhj miudgdhn phvjxi wss ghyeqq nncxw cwdjsx pfcdct meqmc lshnq hrgfip mqlpq ebfgukj pfbv xszsfrdw