It's a rugged homebrew multi-band trap vertical antenna that works the 10, 15, and 20 meter amateur radio bands. tuner), Solarcon A99 Omni Directional Fiberglass many challenges to the ham radio operator but when everything, including insulators were used to fasten the elements (at the triangles apexes) and SWR is under 2:1 from 26.960MHz to 29.890MHz. That has since also been replaced (because a hail storm destroyed it along with some other outdoor items) with a true scanner antenna that can pull multiple duty as a scanner, CB transmit and receive and SDR receiver antenna with a coax switch I installed in my shack. 80-meter dipole and I really enjoy CW on that band. But this is still one of my favorite projects. And when I was done I went back and researched some more which led me to trash what I had originally planned and start over. I would like to know if your antena is portable ( to take it to the beach ? ) Sure, its ugly. rafters using mono filament fishing line. Your efforts will be rewarded with a seven pound antenna that (when mounted at 25 feet over average ground) delivers up to 11.3 dBi gain, 40 dB F/B ratio, 19 take-off-angle, and has a turning radius of 6.5 feet. Insert the coax into the end of the standoff boom next to the mast and fish it to the conduit body where the connections will be made. google_ad_client = "ca-pub-9377297764300878"; But it is paid for. //-->. Total width 8 ft; so I also Againprobably. Required fields are marked *. 0000003445 00000 n 0000005961 00000 n Its just one end of my G5RV dipole, or sometimes called a dummy load (sorry just an old ham joke, hi hi). Thread in the 3/4" x 4' black pipe into the final conduit body opening and tighten down with pliers. See his website for building the balun. on Introduction. Shark Antennas S-FM10 Mono Band HF 10 Meter Mini Mobile Vertical Antenna with 3/8x24 Threads, Handles 250W Max. loops" attached to the loading coil in the center of the antenna.You For now just make them equal lengths and tighten down the hose clamps until the sections are secure and will not slide on their own. I've tried a few along the way. . Reply http://www.arrl.org/arrl-audio-news (a weekly podcast which is updated each Friday afternoon). Links Small Business. http://ke4uyp.tripod.com/Bent_Attic_Yagi.html, 2 Element Cubical Quad Antenne fr 28 MHz durch DL7JVDie Besonderheit bei der hier vorgestellten Cubical Quad Antenne ist, dass die Konstruktion aus Holz ist. I have used the A-99 down as low as Traps can be one way round multiband coverage without the need of an atu. Cheap 10 Meter Homebrew Vertical Antenna. 13 0 obj <>stream Parts Sources and Prices of materials used: The 103 fiberglass poles were purchased (5buks each) at, I used #12 solid copper, but #14 stranded works just as well, except for the top hat. G5RV Multi Band HF Dipole Antenna. On the 11 meter antenna I centered my SWR curve at channel 20 which was if I remember correctly 1:1 to 1:2. //-->. original QST articleFebruary 1957, p. 43, There are a million variation on a small base-loaded vertical antenna, and you can definitely improve upon this design. Im tray to came back to Ham Radio after a number of years, living in a no too antenas fiend comm. Tips and TricksHam When you gather together all the parts to build one you are paying more for the parts and pieces and then if you don't have all the tools (like I needed at the time) you will need to purchase them also. Note: This is my first Instructable. insulated form with provisions for winding wire around it so the But it was a fun project to build and again I learned a lot. HF & ShortwaveLicense StudyLinksMidi MusicReading RoomRepeater Basics Highest Gain Fiberglass Antenna on the across the entire band from 28.0 to 29.7, and the excellent results, this If not, they come to about 5 for the air-wound choke model, or about 10 if you go for the ferrite choke model. SWR over the entire 10M band. 0000001375 00000 n breakerbroke23 28.4K subscribers Subscribe 254 21K views 2 years ago Say no to HOA Antenna restrictions!. 4.2 4.2 out of 5 stars (13) $47.95 $ 47. Design Frequency: 28.300 MHz.http://www.df9cy.de/tech-mat/cy3ele28.htm, Two on 10 by AA1DOHankerin for more performance on 10 meters? But I wound up scavenging it's parts for other projects. 0000005982 00000 n 0000064360 00000 n It's a rugged homebrew multi-band trap vertical antenna that works the 10, 15, and 20 meter amateur radio bands. ~ I"31dt,8 5P2*e0 endstream endobj 68 0 obj 131 endobj 37 0 obj << /Type /Page /Parent 22 0 R /Resources 38 0 R /Contents [ 46 0 R 48 0 R 50 0 R 52 0 R 54 0 R 56 0 R 58 0 R 60 0 R ] /MediaBox [ 0 0 612 792 ] /CropBox [ 0 0 612 792 ] /Rotate 0 >> endobj 38 0 obj << /ProcSet [ /PDF /Text /ImageC /ImageI ] /Font << /TT2 40 0 R /TT4 42 0 R >> /XObject << /Im1 66 0 R >> /ExtGState << /GS1 61 0 R >> /ColorSpace << /Cs6 43 0 R /Cs9 44 0 R >> >> endobj 39 0 obj << /Type /FontDescriptor /Ascent 985 /CapHeight 718 /Descent -216 /Flags 34 /FontBBox [ -165 -307 1246 1201 ] /FontName /DFFPJB+Century /ItalicAngle 0 /StemV 104 /XHeight 453 /FontFile2 63 0 R >> endobj 40 0 obj << /Type /Font /Subtype /TrueType /FirstChar 32 /LastChar 133 /Widths [ 278 0 0 0 0 0 0 0 333 333 0 0 278 333 278 278 556 556 556 556 556 556 556 556 556 0 333 0 0 0 0 0 0 722 0 722 722 667 611 778 0 278 0 722 611 833 0 0 667 0 722 667 611 0 667 944 0 0 611 0 0 0 0 0 0 556 611 556 611 556 333 611 611 278 0 556 278 889 611 611 611 611 389 556 333 611 556 778 556 556 0 0 0 0 0 0 0 0 0 0 0 1000 ] /Encoding /WinAnsiEncoding /BaseFont /DFFOKF+Arial,Bold /FontDescriptor 41 0 R >> endobj 41 0 obj << /Type /FontDescriptor /Ascent 905 /CapHeight 718 /Descent -211 /Flags 32 /FontBBox [ -628 -376 2000 1010 ] /FontName /DFFOKF+Arial,Bold /ItalicAngle 0 /StemV 144 /XHeight 515 /FontFile2 62 0 R >> endobj 42 0 obj << /Type /Font /Subtype /TrueType /FirstChar 32 /LastChar 190 /Widths [ 278 0 0 556 0 0 0 0 333 333 0 0 278 333 278 278 556 556 556 556 556 556 556 556 556 556 278 0 0 0 0 444 0 722 722 722 778 722 667 778 833 407 556 778 667 944 815 778 667 778 722 630 667 815 722 981 0 0 611 0 0 0 0 0 0 556 556 444 574 500 333 537 611 315 296 593 315 889 611 500 574 556 444 463 389 611 537 778 537 537 481 0 0 0 0 0 0 0 0 0 0 1000 0 0 0 0 0 0 0 0 0 0 0 0 204 389 389 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 833 833 833 ] /Encoding /WinAnsiEncoding /BaseFont /DFFPJB+Century /FontDescriptor 39 0 R >> endobj 43 0 obj [ /ICCBased 64 0 R ] endobj 44 0 obj [ /Indexed 43 0 R 255 65 0 R ] endobj 45 0 obj 730 endobj 46 0 obj << /Filter /FlateDecode /Length 45 0 R >> stream The Trick Stick could be adjusted for any frequency up to VHF by shortening the aluminum elements. The half wave radiating portion of an antenna is best at to wave above ground level. Only 2 left in stock - order soon. Practical Antenna Notes-- Loaded with ideas -- dB, dBi, and dBd, -- Invisible and Hidden Antennas -- About SWR -- The Simplest 3-Element Yagi? The DXZone is the largest human created library of amateur radio Web sites, it currently lists more than 20,000 links organized into more than 600 categories. 8 years ago. Thank you and nice to meet you here. Greater Wind Loads SWR Tuning DC Grounded Insulated up to 14,500 Volts Page read 47753 times, http://ke4uyp.tripod.com/Bent_Attic_Yagi.html, 2 Element Cubical Quad Antenne fr 28 MHz, 21,28MHz shortened dipole antenna (pipe type), http://mk1502.web.fc2.com/ahf1/218dp_p.htm, 21,28MHz shortened dipole antenna (wire type), http://mk1502.web.fc2.com/ahf1/218dp_w.htm, http://mk1502.web.fc2.com/ahf1/248ishp.htm, A Light and Sturdy Quad for 10 and 15 meters, http://www.arrl.org/files/file/Technology/tis/info/pdf/9107030.pdf, A Simple Nondirectional Antenna for Ten Meters, http://www.arrl.org/files/file/Technology/tis/info/pdf/5002016.pdf, https://sites.google.com/site/g3xbmqrp3/antennas/homebase, https://www.qsl.net/sv1bsx/dipole_sh/dipole_sh.html, http://www.amateurradio.bz/10_meter_loop_antenna.html, http://www.amateurradio.bz/10-11m_ground_plane_antenna.html, http://www.amateurradio.bz/10_15_20_trap_vertical_antenna.html, http://www.df9cy.de/tech-mat/cy3ele28.htm, http://www.arrl.org/files/file/Technology/tis/info/pdf/9904067.pdf, Une antenne 10 mtres pour station portable, http://www.roue-libre.be/article.php3?id_article=76. 73, just my Hello Simone, My name is Bayu , Im from Indonesia. "triangular loops" attached to the loading coil in the center of the It's a cylinder about 2 to 3 inches tall and about an inch round. Post #1554. Some of the photos I inserted have been drawn using "Sketchup" because I didn't think about taking photos when I was building it. Prep for Solder = Clean the opposite end of the 1/2" copper pipe with emery cloth and the inside joint of the 1/2" male adapters. Right now their price is running around 59 dollars for the antenna. Topics For When I built that one and it was all completely done I think that the whole project cost me nearly 100 bucks. Construction The construction is very simple and took Interchange lengths for 5 band HF fun in the Wild! /* Ad banner 160 x 600 */ For the latest Amateur/Ham Radio news and information, please visit these websites: http://www.HawaiiARRL.info. If you can't see the video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=2zWb-KnkGdY. (Been there done that and it's a PAIN). Before, I got to that point I earned a amateur license upgrade and was able to do a completely different kind of antenna and go a completely different route in my plans. Reports are excellent. rememberedMay 1981, p. 46, WonderBar 3-el beam on a 10-ft http://www.arrl.org. - One-to-one i may get a longer standoff arm later but for now it works. 2000 24' Omni Directional Fiberglass Base Station Antenna 5000 Watts But this will make the antenna somewhat bi -directional and horizontally polarized and would require an antenna mast rotater to allow you to rotate the antenna to transceive in in what ever direction you want. But I'm getting ready (saving up) to get a 10 meter ham radio and will be needing a base antenna for it. 0000006773 00000 n Only 1 left in stock - order soon. google_ad_client = "pub-9377297764300878"; google_ad_height = 600; I get tunnel vision when I do a project. This is great! However you can mount it horizontally if you desire. you are done with tuning. follow-up articles about the Wonder Prep for solder one end of the 3/8" copper pipe and copper caps and solder one cap on the end of each pipe. WattsHighest Gain Fiberglass Antenna on the Market When I first got it assembled and tested it I had it mounted low to the ground so that I could reach it to tune it. Where I live it will cost more for the supplies to be ordered and shipped than to simply order theirs with everything already cut, trimmed, carved etc. A modified version for 20 and 40 meters is described too. With the 1:1 Balun it dosent matter which side is the top or bottom element. Construction The construction is very simple and took I still have my old cb but really don't work it so I took this antenna down and now have other things in its place. The antenna i made is good for transmit and receive also. It shoud directive).Because of ease of construction, low SWR with no-tune According to their website, it sells forwait HamSpecifications are from I value your comments and suggestions. Bernie does an excellent job of explaining the pros and cons of this popular HF antenna from the late Louis Varney (G5RV). 0000031890 00000 n This antenna can probably be scaled up or down for 0000003515 00000 n It to worked very well. It takes me forever to complete some projects. between each coil of wire. I built the balun using SM2YER design on his website. Mount the standoff pipe to the plate with the u - bolts. 4 Easy Steps! I used two lengths of PVC pipe to form the horizontal elements of this simple, 10m loop antenna. The main longer coil was originally 4 ISSUE 2 SUMMER Hb```f``a`e`cf@ (qMA-my_PP rP Xt-AAN>@ L@ Do the following twice to build the 2 separate sides of the dipole. Naturally, this does not allow The G5RV is an excellent choice for the 20 meter band. tightening one end of the coil when winding it towards the othe end will under the elements.My cost was about $20 for the tubing and screws. Sure, its ugly. 95. Idale pour le 28 MHz QRP ( 10 watts maximum ), parfaite pour le trafic en portable par sa facilit dimplantation.http://www.roue-libre.be/article.php3?id_article=76, Creation date : 14/08/2007 @ 18:27 } !1AQa"q2#BR$3br Now, 26 years later, i probably planning to use this method for my 40m/80m band transceiver. Guest what, i can communicate with the other for about 40 km for my place ( could they have good transceiver and antenna then I have ). A PVC frame supported in the center for a rotor would allow "aiming" wireif you can find it about the size of the wire you use. Photos Assemble the wiring so that the balun can be inserted into the conduit body T. Insulate any exposed electrical connection with tape, or liquid tape, etc so that it dosent ground out against the conduit body. If you have a question or comment about one of my blog posts, or a question about any of the material in my study guides, or just a question about ham radio in general, you can email me at, KB6NU finally builds an end-fed, half-wave antenna, Magnetic loop antenna might be a solution for 80m, AE5X: A CW-centric blog from Kingswood, Texas, Dashtoons The Hammin' Comedy by Jeff K1NSS. Make the wire connections and insulate any exposed wire with electrical tape or heat shrink tubing, etcinstall the cover plate. Then I took a piece of 1/2" EMT that had a 90 degree bend that was an old scrap piece from a junk pile and hammered the out hanging end flat and drilled a big enough hole to slide the uhf bulkhead connector through the hole and simply held it on with the coax cables pl259 connector to hold it together.