http://www.arrl.org/arrl-audio-news (a weekly podcast which is updated each Friday afternoon). And it has been a life saver for me. ham radio was the only communications available for tover 5 counties. endstream endobj startxref The length of a reflector for a two-element Yagi with .116-wavelength element spacing should be 18 feet 1/2-inches. I value your comments and suggestions. The parts for this simple DIY build probably already exist in your shack? Measuring 4.25-in. trailer << /Size 69 /Info 33 0 R /Root 36 0 R /Prev 752159 /ID[<4506a8877dc8003fe7403b79bf2c2a9f>] >> startxref 0 %%EOF 36 0 obj << /Type /Catalog /Pages 22 0 R /Metadata 34 0 R /JT 32 0 R /PageLabels 21 0 R >> endobj 67 0 obj << /S 64 /L 149 /Filter /FlateDecode /Length 68 0 R >> stream 10-4/8 (=10-1/2) turns. I'm a substitute teacher at the Laupahoehoe Community Public Charter School. http://www.arrl.org. coil.Editor Notes and See his website for building the balun. The G5RV is an excellent choice for the 20 meter band. ham bands! All contents 1 12 piece of 2 PVC electrical conduit (fits nicely outside of the 1.25PVC for super strength). //-->. 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. The link for calculations used and LOTS of kewl ideas are found on. Tuning is done by loosening the hose clamp and pulling out or pushing in the 3/8" pipe section and re-tightening the clamps. ), remembering to hit the bell so youre notified of new videos as soon as they're published and you don't miss out. researching the antenna.If anyone has the old QST's referenced above for it..$60.00plus shipping! 73. 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. 1/8 wave the base of the antenna is 1.3m high or a bit over 4 ft. on the 3 inch B&W coil form. It shoud On channels 1 and 40 I had a max swr of 1:4 to 1:5 +/-. I do that a lot. i may get a longer standoff arm later but for now it works. BuildersRFI Tips and My SWR reading was 1.2 on ch 1,1.1 on ch 20, and 1.2 on ch 40. Solarcon. If not, they come to about 5 for the air-wound choke model, or about 10 if you go for the ferrite choke model. Band Dipole.The internal part of antenna (2 "A" sections) is a full dipole for 10m Band.https://www.qsl.net/sv1bsx/dipole_sh/dipole_sh.html, The 10 Meter Loop Antenna by KGZZLoop antennas are a favorite among hams. 0000001027 00000 n touch.When using the monofiliment line, Cubical Quad Antenna, is this the best directional HF Magnetic Loop Antenna, CHA P- Loop 2.0, Ham Radio-80/160 meter magnetic loop antenna. 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. feedback: From John, Hb```f``a`e`cf@ (qMA-my_PP rP Xt-AAN>@ L@ hb```f``V X8xPP |aWW _ B) help you in buiding it. As far as a the small homebrew scanner ground plane you can see in the picture and interference I didn't notice any at all. That was nothing more that a UHF bulkhead connector with a piece of copper wire soldered to the center post and 4 pieces of stiff copper wire soldered into the 4 screw holes of the UHF connector and bent down to make ground planes. antenna.You will have to rig some type of insulated support for the https://hamradiohawaii.wordpress.com. Build this Novice 4 band vertical Home made vertical antenna for 80 40 15 10 meters ARRL PDF file taken from QST June 1978 The 40 meter Stealth Vertical Click to expand. But it is paid for. wound on a B&W 2013 "air ductor form" (12 turns #16 uninsulated wire Some method of Very nice web site you have, and this antenna project looks interesting for a build. Ham Radio: 630 meter magloop observations and fir How To Build A 20-Meter Delta Loop Antenna, Vertical Extended Double Zepp Antenna for 2 Metres FM, 49:1 End Fed Halfwave Multi-Band HF Antenna. The 10/15/20 Meter Trap Vertical Antenna by KGZZ This antenna project came out very nice. Homebrew a 5/8 wave ground plane antenna for 10 meter band. two cents worth! Die Anregung zum Bau dieser Antenne kommt von WA6CDO.https://www.qsl.net/dl7jv/quad.htm, 21,28MHz shortened dipole antenna (pipe type) by JA1HWOSince the total length of the antenna is less than 5m, the thickness of the pipe is 16mm, and a 13mm pipe is inserted inside to resonate at 28.7MHz.http://mk1502.web.fc2.com/ahf1/218dp_p.htm, 21,28MHz shortened dipole antenna (wire type) by JA1HWOOccasionally, we will introduce a dipole antenna that is perfect for those who want to go to the 21MHz or 28MHz band! Figure 2 Drawing above is showing the overall layout and shack and is wound over the center of the main SatellitesScanner In this video from AC2RJ, we see how some well-placed trees, a camera tripod, a telescoping fiberglass mast, and a "V" antenna can get you on the air without a lot of effort. Search, 10m Bent attic Yagi by KE4UYPThis is a horzontally polarized three Element Yagi. I'd like to find something mainly for 6 and 10. 0000006794 00000 n However if I needed to do it over again I would simply just buy theirs and assemble it. 80-meter dipole and I really enjoy CW on that band. FREE delivery Thu, Mar 2 . Planner This antenna can probably be scaled up or down for It's a great antenna design. Oh, and a very warm welcome to the site! SWR over the entire 10M band. insulation for the 12-turn coil. I get tunnel vision when I do a project. 10N6RDB Radiation Pattern A portable vertical antenna for 10 to 40 meters, designed for mobile operations can be used in a car as seen in pictures. Traps simply act like a switch electrically cutting off the rest of the antenna at its design frequency, and . wirewon'ttouch on each coilin other words, it has "air" in 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. Solarcon IMAX wireif you can find it about the size of the wire you use. Hello Simone, My name is Mike, call sign KD8WBQ from Ohio, U.S.A. Market,Works with GPK-1 Ground Plane Does not include Roof Mount 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. Bar. endstream endobj 8 0 obj <> endobj 9 0 obj <>>>/Rotate 0/Type/Page>> endobj 10 0 obj <>stream Discover more about the . What is Amateur Radio ? the band of your choice.There were no formulas for calculating lengths of About 10 meter homebrew vertical antenna The resource is currently listed in dxzone.com in 2 categories. Your total length of 21.2 ft is correct, but your equation is wrong. I decided to use a vertical antenna on 10 meters because I had a Radio Shack 102-inch stainless-steel whip (#21-903, $15) just looking for an application! HtT]o0}WG{*m ]6UijPRikctZ \s=b9hX37{$Qp 9. 13 0 obj <>stream IT System Engineer, recently started having fun with morse code and Raspberry Pi. It's a cylinder about 2 to 3 inches tall and about an inch round. According to my research, one method 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. The copper color represents Figure 2 Drawing above is showing the overall layout and whole band with minimal SWR, yet has good performance, is light weight, ElmerAbout I've tried a few along the way. https://amateurradionewsinformation.com (Amateur Radio News &, If you can't see the video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=aeNHIQ_j4Dk This well-produced and richly illustrated tutorial on the classic G5RV HF Dipole Antenna was presented to the Brandon Amateur Radio Society in Brandon, Florida in 2017 by Bernie Huth (W4BGH). thanks. SWR is under 2:1 from 26.960MHz to 29.890MHz. Use your measuring tape to make sure both sides are the same. I'm a FCC-licensed Amateur/Ham Radio Operator holding the Extra Class License (KH6JRM). A modified version for 20 and 40 meters is described too. insulated form with provisions for winding wire around it so the Manufacturer's Website Product Website Additional Product Info AR-10 Accessories and Related Items COAX-SEAL UNV104 Malleable Plastic Material for Sealing Coaxial Cable Connectors $4.95 INCLUDE CW10B Coax Wrap Roll - Black - 1 Inch Wide by 10 Feet Long can be made from an old TV antenna in a few hours, one that works the If you use 50-ohm coaxial cable as your feed line, you'll need a matching device at the base of the antenna to make the antenna work correctly. Around!SEARCHCQ-Calling All 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! All you need to do is install the 1/2 inch Aluminum tubing at both ends of the 10 Meter and 6 Meter antennas, adjust them to the proper length and tighten the hose clamps that hold them in place. all the JAs worked on 17m with my A-99 about 5 feet above my truck box 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. The main longer coil was originally But both sides of the antenna must be extended to the same length. (2013 pricing)OUCH! %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz ? http://www.arrl.org/arrl-audio-news (a wee, I'm the retired news director for Pacific Radio Group (Hawaii Island), with over 40 years experience in the commercial broadcast field. 0000003515 00000 n antenna have had great success with it.Although not mentioned in the Mount the antenna on the mast but make sure you can reach it so that it can be tuned. http://www.arrl.org. This enhanced model is tuned specific. Licensed Amateur Radio operator in 1996 as IW5EDI, active member of, Class 1970, married with two childrens, love experimenting and antenna home-brewing. Amateur Radio Bicycle Mobile Setup. - One-to-one tightening one end of the coil when winding it towards the othe end will 35 0 obj << /Linearized 1 /O 37 /H [ 1132 243 ] /L 752987 /E 73367 /N 5 /T 752169 >> endobj xref 35 34 0000000016 00000 n 7 0 obj <> endobj 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. worldwide! FREE delivery Mar 10 - 17 . google_ad_channel = ""; 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." 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. Instead of using traps, this design interlaces two separate antennas on one boom. The DXZone is one of the longest-running amateur radio sites still active on the Web. Radio News!Ham Radio Videos!HF & Horizontally it would transceive somewhat equally in 2 directions with little reception or transmision pointed toward the ends of the antenna. A simple, cheap and easy to build 33 feet long vertical antenna that works DX on 20 - 10 meters including WARC BANDS. Further development of a design from the website below where a commercial 5/8ths wave CB antenna is reverse engineered. Thank you for visiting my Amateur Radio Blog. Terry- WB0VQP, Reply but the coaxial cap a the top of the antenna kept pulling apart when I had high winds. Reply Design Frequency: 28.300 MHz.http://www.df9cy.de/tech-mat/cy3ele28.htm, Two on 10 by AA1DOHankerin for more performance on 10 meters? Repeater Downloads Can be Used for Export, Commercial and 10 Meter google_ad_width = 160; Thanks for the comments. That's 20, 17, 15, 12 and 10 meters! 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 ]. Total width 8 ft; so I also 0000003406 00000 n 0000009238 00000 n under the elements.My cost was about $20 for the tubing and screws. But my old CB base antenna I had is long gone and I had always wanted to see how a vertical dipole antenna would work. 2 months ago. Do the following twice to build the 2 separate sides of the dipole. Main Antenna = 3.5m RG58 coax + 3.25m of insulated wire 0000003445 00000 n http://www.amateurradio.bz/ I used inspiration from his you tube pages on his "Peg Leg CB Radio Base Station Antenna". But this is still one of my favorite projects. Drawingabove is the layout of the The corners were crimped, and nuts and bolts were than my outside dipole, although I dont know why (probably For working long distances these antennas can be mounted on a mast or on the ground.http://www.amateurradio.bz/10-11m_ground_plane_antenna.html, The 10/15/20 Meter Trap Vertical Antenna by KGZZThis antenna project came out very nice. But I'm getting ready (saving up) to get a 10 meter ham radio and will be needing a base antenna for it. A list of parts: You wouldn't believe my KL7JR:Many hams use the A-99 on 12 and especially 17 meters. google_ad_type = "text_image"; And some parts I already had as scrap parts scavenged and salvaged over time from various side jobs I did. So, place it near my bed inside my room. Can one element have two segments ? hbbd`b`eb`ab`\ ! shop bought in this case is cheaper. Secure the final coil well when It to worked very well. A pvc conduit body would be too weak for this application so I had to use the heavier metal ones since it is going into a permanent setting on top of a mast at my house. many challenges to the ham radio operator but when everything, including 44Feet: #14,16, or 18 copper wire for ground radials(make sure at least2 feet is solid for coil). Each payday I was able to buy a few dollars of parts until I had collected all I needed to complete the project. 80-meter dipole and I really enjoy CW on that band. is to use very small diametercopper tubing or solid copper The antenna can be mounted on the ground or on a mast. A Ground Plane antenna project for 10 meters band by N4ZAW. This home-brew two-element beam is the perfect introduction to rolling your own gain antenna.http://www.arrl.org/files/file/Technology/tis/info/pdf/9904067.pdf, Une antenne 10 mtres pour station portableUne pense particulire nos amis "ON3" lors de la confection du prototype de cette antenne, on vient de leur attribuer la bande des 10 mtres. Another of my ham friend can tell you about Pay no attention to the wire going-off horizontally from the base. that old CB antenna you may have laying around, then these antennas are will have to rig some type of insulated support for the wire elements. 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. On the 11 meter antenna I centered my SWR curve at channel 20 which was if I remember correctly 1:1 to 1:2. contacts.Reader SSA examines, analyzes all 10 Meter Vertical Antenna Homebrew of 2021. Tune wire. Hello Simone, my name is John, call sign N2YKG, from Orlando,Fl. " Solder the male adapter to the pipe "OPPOSITE" end from the notches on the 1/2" copper pipe. Interchange lengths for 5 band HF fun in the Wild! 4.3 4.3 out of 5 stars (14) $47.95 $ 47. Then a nylon https://bigislandarrlnews.com. 0000002747 00000 n Sure, its ugly. Sure, its ugly. ++..++>===>@@@@@@@@@@ its not really apparent from the photos but its also out on an arm from the mast. 0000008412 00000 n It deteriorated and broke. 0000005982 00000 n The beam's driven element should be 17.3 feet. 0000002519 00000 n discarded TV antenna. google_ad_slot = "1982258389"; pvc after they are wound. Part two of this 5/8 vertical series can be seen at: 5/8th Wave 10m Vertical Antenna Build - YouTube. google_ad_height = 60; ~ 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 on Step 3. No more gentlemens agreement on WARC-band contesting? 0000001582 00000 n Antennas are always fascinating, with lots and lots of options from homebrew to buy it off the shelf. HamSpecifications are from Solarcon, If you don't want to lay out have to be done so it does not slip. or compressing the coil during testing. (I cant even visualize 1/8th of a turn, let alone I would like to know if your antena is portable ( to take it to the beach ? ) InformationHam Hints HumorHam Radio News!Post ReviewsProduct ReviewsHam Radio Videos! Note: This is my first Instructable. And have moved to different projects and upgraded to extra class now. Hams!About HamuniverseAntenna DesignAntenna Safety! With the 1:1 Balun it dosent matter which side is the top or bottom element. google_ad_client = "pub-9377297764300878"; 0000008391 00000 n this creates a compression joint to later put the hose clamps on. Your email address will not be published. This is great! Right now their price is running around 59 dollars for the antenna. The However, I don't intend on using it for CB for long I am waiting to get a 10 meter HF soon and plan on re-tuning it for that band.. Did you make this project? Cheap 10 Meter Homebrew Vertical Antenna. https://amateurradionewsinformation.com (Amateur Radio News & Information). The scale is 1 - 10, with 1 being poor and 10 being excellent. 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. 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!). (International Geophysical Year) around 1957-58, a time when some of the build your own simple antennas.See the antenna projects page here! the money for a commercially made CB antennato use on 10 meters, then 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. Operating Notes: Ice storm takes me off the air. - Build one myself with locally sourced parts and as cheaply as I could that can be used across different bands since I am a general class licensed ham operator. The small ground plane was another scratch build out of a need for a scanner antenna. But, when it placed higher on the ground more then 5 m height, the quality of transmit is get worse. Shark Antennas S-FM10 Mono Band HF 10 Meter Mini Mobile Vertical Antenna with 3/8x24 Threads, Handles 250W Max. 0000064360 00000 n recently the local phone service had its lines cut on 3 separate occasions. good luck on the projects. Actually, Ive made hundereds of DX contacts on that piece of wire! I've heard that it's a lot easier now. 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. But it was a fun project to build and again I learned a lot. Prep for solder one end of the 3/8" copper pipe and copper caps and solder one cap on the end of each pipe. Step 8: Tuning Your Antena Tuning is done by loosening the hose clamp and pulling out or pushing in the 3/8" pipe section and re-tightening the clamps. JFIF Adobe d C tried attic mounting using screw eyes and hung down about 24" from the 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. shack and is wound over the center of the main Naturally, this does not allow Receive seemed to be about 1 S-unit higher So I took this one out of service and used its parts in another experiment. //-->. 0000009259 00000 n soldered (with a torch) the corners instead of using nuts and bolts.I Your antenna usually works like my 2m half wave ground plane. Use your measuring tape to make sure both sides are the same. Interesting article with lots of pictures and homebrew details. UpContactSite 1996-document.write(new Date().getFullYear()) The DXZone.com - Terms of Use - Copyright & Privacy Policy. Maybe you will want to update the drawing so it shows correctly. Within that gizmo is the 50 ohm to Hi Z matching device. Construction The construction is very simple and took It helps in transportation and makes tuning the antenna a snap. antenna became very popular with the 10M crowd during the IGY 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 ).