1 12 piece of 1.25sced 40 PVC pipe for insulator section. That's crazy aobut the phone lines! Seal the end of the standoff boom where the coax comes in to prevent moisture intrusion with tape or caulk or what ever you have. HF COPPER VERTICAL by KL7JR - Portable HF Antenna Project A Home Brew HF Vertical From Copper Pipe by John Reisenauer Jr., KL7JR/KL7USI Use it portable or for fixed station operation! Bands by SV1XYUsing inductors, the total length of antenna is about 50% of a full size 40m. Sure, its ugly. A modified version for 20 and 40 meters is described too. 0000003445 00000 n A full wavelength loop antenna can have as much as 2 db extra gain over a dipole when compared at a similar height.http://www.amateurradio.bz/10_meter_loop_antenna.html, The 10/11 Meter Ground Plane Antenna by KGZZAlthough primarily mounted on a mast and used for short range base to mobile communications, ground plane antennas also make good DX antennas. For Performance on other HF Amateur Radio bands is good enough to qualify as stand alone HF antenna if you can only erect one HF antenna. taken from the 12 ARLHS NEWSLETTER VOL. I love homemade soluitiions like this. antenna.You will have to rig some type of insulated support for the Small Business. I do that a lot. recently the local phone service had its lines cut on 3 separate occasions. 10-4/8 (=10-1/2) turns. much care should be used so as to NOT melt it when soldering the tap hb```f``V X8xPP |aWW _ B) 1 year ago [ Hits: 18490 | Votes: 13 | Rating: 6.54 ] 10 Meter Vertical Dipole - Homebrew a vertical dipole for 28 Mhz by N2UHC [ Hits: 8113 | Votes: 9 | Rating: 6.68 ] A PVC frame supported in the center for a rotor would two cents worth! Hello Simone, My name is Mike, call sign KD8WBQ from Ohio, U.S.A. Thank you and nice to meet you here. 0000007613 00000 n But even with the poor conditions on 10 meters, I wanted to give it a try, too. coil.Editor Notes and Thank you for visiting my Amateur Radio Blog. It's a great antenna design. pvc after they are wound. 95. 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. Can one element have two segments ? Radios!Shortwave ListeningSSTVSupport It had a plastic hub that connected the two elements. when operating portable! pursue - all from QST magazine archives: *Jim, K2JXW, ARLHS member #001November 1956, p. 32, Ask ElmerAbout BatteriesCode PracticeComputer HelpElectronicsFCC 73, just my This will be the antenna bracket plate to mount the antenna to the mast at a 90 degree angle so the antenna can be mounted vertically. 0000004323 00000 n each end for attachement to each side of the antenna. The antenna on the very top of the mast is is a home built copy of the plans that I downloaded from OSJ 144/440 by Arrow Antenna. original QST articleFebruary 1957, p. 43, But I wound up scavenging it's parts for other projects. point. Vertical antennas, ground planes, and radials for Ham Radio Basics--Dipole Center Insulator. the insulation on it and spread it out over the center 1-1/2 inches of the document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This Blog is mainly dedicated to Amateur Radio (Ham radio) and contains external articles and personal esperiences. The project is straight forward, simple, and gives you emergency communications while you peddle down the road. rafters using mono filament fishing line. Hams!About HamuniverseAntenna DesignAntenna Safety! Pay no attention to the wire going-off horizontally from the base. Or.the coils can be cemented to the A few fishin' poles and a hank of wire can help you snag the Big One!http://www.arrl.org/files/file/Technology/tis/info/pdf/9107030.pdf, A Simple Nondirectional Antenna for Ten Meters by W7AYBThere are several reasons why a ham whose chief interest lies in the ten-meter band may not want to or cannotput up a rotatable beam. Operating Notes: Ice storm takes me off the air. Tune monofiliment line is wound in between each coil so they won't tap point as described in article above. Your email address will not be published. What is Amateur Radio ? 0000009259 00000 n Horizontally it would transceive somewhat equally in 2 directions with little reception or transmision pointed toward the ends of the antenna. But while I had it up it worked great. Last update : 21/09/2020 @ 23:03 But both sides of the antenna must be extended to the same length. 7 0 obj <> endobj A Hawaii-based Amateur Radio Antenna Blog focusing on the theory, design, and use of homemade antennas. . Its just one end of my G5RV dipole, or sometimes called a dummy load (sorry just an old ham joke, hi hi). But it is paid for. Add an antenna "tuner", a sturdy rig, such as the Yaesu FT-817, a microphone/cw key, and a simple grounding system, and you have a fully functional, nearly invisible ham station in your backyard. A 10 meter ground plane antenna that can be mounted on a mast or used as a ground mounted vertical antenna. This enhanced model is tuned specifically for the 10m amateur band and also adopts a ferrite choke, which is an improved option over the air-wound choke which is also shown in the build. log books on my portable outings with low antenna heights using the 21.2 Feet: tubing, preferably aluminum, but whatcha got? this creates a compression joint to later put the hose clamps on. Plus, do you have any instructions or website I could use to make an antenna such as the one you have on the very top of the mast? contacts.Reader It is gradually improving while gaining know-how.http://mk1502.web.fc2.com/ahf1/248ishp.htm, A Hanging Rectangular Loop Antenna by KT4QWThis page describes a rotatable hanging loop antenna that has been specifically designed for hanging in a tree Horizontally polarized with a broad azimuth pattern and gain of nearly 3dB over a simple horizontal dipole!http://kt4qw.com/acan1.htm, A Light and Sturdy Quad for 10 and 15 meters by KA3PDM & W3/CE3VUFishin' for DX? You can realize this goal by building and using a 5/8 wavelength vertical antenna on the popular 10 meter amateur radio band. 1 -PL259 Coax plug connector Or what ever connector your radio needs. 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. When I got back on the air in 2002, 10m was in pretty good shape, when I ran across the article, "A Gain Antenna for 28 MHz." and easy to make?The WonderBar is just right for you.In the 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. These particular verticals come with a tuning adjustment that will enable them to be used even down to 20 meters with a tuner. Actually, Ive made hundereds of DX contacts on that piece of wire! ( ucm. Only 2 left in stock - order soon. Required fields are marked *. wirewon'ttouch on each coilin other words, it has "air" in One option is to use some thread lock to prevent it from twisting out later. endstream endobj startxref Post #1554. /* Ad banner 160 x 600 */ Although Varney envisioned his design primarily as a 3/2 wavelength antenna for the 20 meter Amateur Radio band, radio amateurs have used the antenna for multiband use. 1996-document.write(new Date().getFullYear()) The DXZone.com - Terms of Use, Copyright & Privacy Policy, [ Hits: 4761 | Votes: 17 | Rating: 5.16 ], [ Hits: 4526 | Votes: 13 | Rating: 5.23 ], [ Hits: 1372 | Votes: 4 | Rating: 9.75 ], [ Hits: 18494 | Votes: 13 | Rating: 6.54 ], [ Hits: 8113 | Votes: 9 | Rating: 6.68 ], [ Hits: 6633 | Votes: 6 | Rating: 7.67 ], [ Hits: 33696 | Votes: 37 | Rating: 5.3 ], [ Hits: 11420 | Votes: 7 | Rating: 4.86 ], [ Hits: 4373 | Votes: 11 | Rating: 5.28 ], [ Hits: 2698 | Votes: 6 | Rating: 7.33 ], [ Hits: 3651 | Votes: 4 | Rating: 4.75 ], [ Hits: 63722 | Votes: 93 | Rating: 6.54 ], [ Hits: 49622 | Votes: 144 | Rating: 7.16 ], [ Hits: 5997 | Votes: 21 | Rating: 4.7 ], [ Hits: 5520 | Votes: 7 | Rating: 4.57 ], [ Hits: 26419 | Votes: 39 | Rating: 4.8 ], [ Hits: 27392 | Votes: 65 | Rating: 5.09 ], [ Hits: 86266 | Votes: 72 | Rating: 5.54 ], [ Hits: 4434 | Votes: 8 | Rating: 3.25 ], [ Hits: 4584 | Votes: 11 | Rating: 7.82 ], [ Hits: 13666 | Votes: 16 | Rating: 3.44 ], [ Hits: 80433 | Votes: 54 | Rating: 5.08 ], [ Hits: 13349 | Votes: 5 | Rating: 6.4 ], [ Hits: 55860 | Votes: 12 | Rating: 6.91 ], [ Hits: 78696 | Votes: 53 | Rating: 6.37 ], [ Hits: 149308 | Votes: 203 | Rating: 6.34 ], [ Hits: 5833 | Votes: 6 | Rating: 9.17 ], [ Hits: 10838 | Votes: 10 | Rating: 7.61 ], [ Hits: 11280 | Votes: 6 | Rating: 5.17 ], [ Hits: 3078 | Votes: 8 | Rating: 7.54 ], [ Hits: 2944 | Votes: 6 | Rating: 5.83 ], [ Hits: 15509 | Votes: 8 | Rating: 4.62 ], [ Hits: 28120 | Votes: 25 | Rating: 7.24 ], [ Hits: 7095 | Votes: 7 | Rating: 7.28 ], [ Hits: 80907 | Votes: 41 | Rating: 4.88 ], [ Hits: 6770 | Votes: 4 | Rating: 5.75 ], [ Hits: 51124 | Votes: 24 | Rating: 6.04 ], [ Hits: 5132 | Votes: 9 | Rating: 4.67 ], [ Hits: 46529 | Votes: 33 | Rating: 4.27 ], [ Hits: 1742 | Votes: 14 | Rating: 5.91 ], [ Hits: 21244 | Votes: 21 | Rating: 7.38 ], [ Hits: 19559 | Votes: 395 | Rating: 7.53 ], [ Hits: 23001 | Votes: 19 | Rating: 4.95 ], [ Hits: 137832 | Votes: 121 | Rating: 7.58 ]. thanks. Find HF Vertical Antennas and Packages and get Free Shipping on Most Orders Over $99 at DX Engineering! nothing.For the coil, the original article suggested a B&W Articles 0000008391 00000 n Radio News!Ham Radio Videos!HF & on the 3 inch B&W coil form. HF & ShortwaveLicense StudyLinksMidi MusicReading RoomRepeater Basics Operating on the 10 meter ham band can present It's easy because it is made up of few parts.http://mk1502.web.fc2.com/ahf1/218dp_w.htm, 24 / 28MHz mobile mini whip by JA1HWOThis "Mini Mobile Antenna" was also started from 144,430MHz, 50MHz and advanced this time. All contents highest sunspot activity ever recorded occurred (making todays numbers Thanks! I'd like to find something mainly for 6 and 10. The bent Elements cause very little performance lose.When you consider it is only 8ft. rememberedMay 1981, p. 46, WonderBar 3-el beam on a 10-ft For Amateur Radio News and Trends, please visit my news site at https://bigislandarrlnews.com.Aloha es 73 de Russ (KH6JRM). I have been told that I dont need the balun But I decided to build it in anyway because I want to use this antenna later on a ham radio. Safety!Ask Right now their price is running around 59 dollars for the antenna. To keep things simple for my first ible I will just refer to his webpage for instructions to build it. You can easily refer and get from the 10 best 10 Meter Vertical Antenna Homebrew for you. google_ad_channel = ""; Another of my ham friend can tell you about The DXZone is the largest human created and maintained library of web sites dedicated to Amateur Radio, currently lists 20.000+ links organized into 600+ categories and subcategories. worldwide! Homebew Coax Traps. So I made drawings to help illustrate the process. 0000003494 00000 n Base Station Antenna 2000 WattsAlso called the Antron (A99) coil.Result of all these cheapskate shortcuts? TricksHam SatellitesShortwave ListeningSSTVSupport The SiteSTOREVhf and UpContactSite MapPrivacy PolicyLegal StuffAdvertising Info tuner), Solarcon A99 Omni Directional Fiberglass 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. shop bought in this case is cheaper. So I checked out vertical dipoles for cb and just couldn't bring myself to pay that much for a manufactured one. http://www.amateurradio.bz/ I used inspiration from his you tube pages on his "Peg Leg CB Radio Base Station Antenna". Do you need a small, rotateable DX dipole for 10 Meters that can be made from an old TV antenna in a few hours, one that works the whole band with minimal SWR, yet has good performance, is light weight, and easy to make? (Been there done that and it's a PAIN). VoltsCan be used for Export, Commercial, and 10 Meter Awesome, thanks. So what to do? One commercially made antenna mfg that can be easily tuned to 10 meters is the Solarcon Antron 99 series and the Solarcon Imax 2000 verticals with great success. 4 Easy Steps! The copper colored lines are the wire "triangular Pay no attention to the wire going-off horizontally from the base. Full 5/8 Wave Antenna 24 I used the info on his 1:1 Balun design. PracticeComputer HelpElectronicsEmergency Power!FCC InformationFrequency Guide!Ham Exams! Matching Stub = 71cm Westflex 103 coax %%EOF That's 20, 17, 15, 12 and 10 meters! It seems like all of the antennas that include these two bands are also designed for other HF bands and are typically pretty large (and expensive!). I like your concept of using the plastic "electrical LB" as the hub. 0000003515 00000 n But this is still one of my favorite projects. A Pocket Sundial From a Broken Pocket Watch! 0000001354 00000 n