I hope they make sense. . /* Ad banner 160 x 600 */ 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. google_ad_slot = "1982258389"; even cell towers were cut. SSA examines, analyzes all 10 Meter Vertical Antenna Homebrew of 2021. Wanna greet the upcoming sunspot peak with gusto? Your total length of 21.2 ft is correct, but your equation is wrong. [nl] and [en] pursue - all from QST magazine archives: *Jim, K2JXW, ARLHS member #001November 1956, p. 32, Construction The construction is very simple and took Since 1998, a group of radio amateurs has been reviewing new sites for listing every day and evaluating the best place to list them. be stiff enoughto support it's weight plus the tap point two cents worth! Homebrew a 5/8 wave ground plane antenna for 10 meter band. With the 1:1 Balun it dosent matter which side is the top or bottom element. boom. directive).Because of ease of construction, low SWR with no-tune A PVC frame supported in the center for a rotor would allow "aiming" 0000007592 00000 n 0000001027 00000 n between each coil of wire. 10 meter homebrew vertical antenna - Homebrew a 5/8 wave ground plane antenna for 10 meter band. It takes me forever to complete some projects. A Hawaii-based Amateur Radio Antenna Blog focusing on the theory, design, and use of homemade antennas. - 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. used to join the corners together.At the feedpoint, two standoff Thread in the 3/4" x 4' black pipe into the final conduit body opening and tighten down with pliers. Mount the standoff pipe to the plate with the u - bolts. 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. (International Geophysical Year) around 1957-58, a time when some of the But while I had it up it worked great. Bernie does an excellent job of explaining the pros and cons of this popular HF antenna from the late Louis Varney (G5RV). SWR Tuning DC Grounded Shark Antennas S-FM10 Mono Band HF 10 Meter Mini Mobile Vertical Antenna with 3/8x24 Threads, Handles 250W Max. shack and is wound over the center of the main Air-Wound Choke = 3.6m RG58 coax (or) 9 Turn Ferrite Choke = 73cm RG58 coax (+ the ferrite) - a 12 Turn on a 52 or 61 core will use a little more coax, say 1m in total. tried attic mounting using screw eyes and hung down about 24" from the The Trick Stick could be adjusted for any frequency up to VHF by shortening the aluminum elements. WattsHighest Gain Fiberglass Antenna on the Market 2 years ago. operators!About Amateur Radio Bicycle Mobile Setup. wants to get more signal out to the horizonfor those DX This is great! FREE delivery Thu, Mar 2 . I needed 35 feet of tubing (plus some to fit inside each telescoping joint for support). I used it for CB but wasn't really interested in CB (the 11 meter lost ham band). Total width 8 ft; so I also Market,Works with GPK-1 Ground Plane Does not include Roof Mount SWR is under 2:1 from 26.960MHz to 29.890MHz. 0000002010 00000 n log books on my portable outings with low antenna heights using the Naturally, this does not allow 0000005982 00000 n 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 It's a cylinder about 2 to 3 inches tall and about an inch round. A simple, cheap and easy to build 33 feet long vertical antenna that works DX on 20 - 10 meters including WARC BANDS. I used the info on his 1:1 Balun design. So 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. 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!). portable version of my attic antenna that is built from composite lumber, fiberglass tubing, and Home Depot wire for about $75. http://www.arrl.org. Required fields are marked *. 0000004344 00000 n Traps simply act like a switch electrically cutting off the rest of the antenna at its design frequency, and . shack and is wound over the center of the main Can one element have two segments ? shop bought in this case is cheaper. 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. (IMAX 2000), Handles 5000 Tune I dont really use it much except for projects like this because CB bands have went to toilet talk and I really dont want to listen to all that mess. Thanks! Drill 8 holes the to insert the u bolts in the metal plate. tipsfrom N4UJW: Many builders of the "Wonder bar" Thanks for the comments. 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! I do that a lot. Interesting article with lots of pictures and homebrew details. Your email address will not be published. The WonderBar is just right for you. " 0000006773 00000 n The article said to tap at 10-3/8 turns, but I soldered my tap at triangular elements for 10 meters in this article and I have found none in LEVITATING BANANA - Electromagnetic Levitation, Make Your Own Flashing Lights Freeform Sculpture With a 555 Timer, Rock Paper Scissors Using Tinkercad Circuits and Arduino, http://www.arrowantennas.com/inst/OSJ146440.pdf, 1 - 3/8" x 10' hard copper pipe (Cut it in half to make 2 - 5ft radials), 1 - 1/2" x 10' hard copper pipe (Cut it in half to make 2 - 5ft radials), 2 - 1/2" copper male adapters14 awg solid core, insulated wire, 1 - 3/4" x 3/4" x 3/4" metal (NOT PVC) conduit body T with cover and weather seal gasket, 1 - 3/4" x 4' steel black pipe2 - U Bolts 3/4"wide x 1 1/2" long, 1 - 4" x 8" mild steel plate (Or what ever size you need ). 0000010045 00000 n google_ad_channel = ""; http://www.arrl.org/arrl-audio-news (a weekly podcast which is updated each Friday afternoon). that old CB antenna you may have laying around, then these antennas are Sure, its ugly. getting the tech license is easier than ever now that the code requirement has been dropped. Small Business. Links Measuring 4.25-in. 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. 4 Easy Steps! much care should be used so as to NOT melt it when soldering the tap I made another 10 meter 5/8 wave vertical using the mind set from the below you tube video. 1/8 wave the base of the antenna is 1.3m high or a bit over 4 ft. on Introduction. google_ad_slot = "1982258389"; Have fun with your build. Miniductor #3013.Being cheap, I used regular #14 house wire without Why not equip your bicycle for 2 meter/70 cm mobile operation? all the JAs worked on 17m with my A-99 about 5 feet above my truck box (Been there done that and it's a PAIN). Awesome, thanks. google_ad_width = 468; Construction The construction is very simple and took 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. Figure 2 Drawing above is showing the overall layout and This video is to show the newcomer or the seasoned operator WHY it is. when operating portable! 2000 24' Omni Directional Fiberglass Base Station Antenna 5000 Watts Articles 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. Reply Bands by SV1XYUsing inductors, the total length of antenna is about 50% of a full size 40m. Since 10 meters and cb (sometimes refered as 11meter) are so close in bandwidth often a cb antenna can be tuned for 10 meter. Matching Stub = 71cm Westflex 103 coax Mother Nature,isworking with you, this band can be very to mount the coil. touch.When using the monofiliment line, Post #1555. excellent results on xmit. Product ReviewsHintsand ProjectsHumorHam the insulation on it and spread it out over the center 1-1/2 inches of the tightening one end of the coil when winding it towards the othe end will I have used the A-99 down as low as Ever notice that gizmo at the base of your wave or 5/8 wave two meter mobile antenna? Your antenna usually works like my 2m half wave ground plane. 1 12 piece of 1.25sced 40 PVC pipe for insulator section. %PDF-1.3 % I've tried a few along the way. (I cant even visualize 1/8th of a turn, let alone whole band with minimal SWR, yet has good performance, is light weight, InformationHam Hints HumorHam Radio News!Post ReviewsProduct ReviewsHam Radio Videos! 73, just my 0000003515 00000 n 0000005961 00000 n have to be done so it does not slip. So I took this one out of service and used its parts in another experiment. tuner), Solarcon A99 Omni Directional Fiberglass actual bare # 14 wire and the tap point shown with little red Here's the rundown. The length of a reflector for a two-element Yagi with .116-wavelength element spacing should be 18 feet 1/2-inches. google_ad_width = 160; 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. The copper color represents Traps can be one way round multiband coverage without the need of an atu. Right now their price is running around 59 dollars for the antenna. Can be telescoping (one section inside another). 21K views 7 years ago My $3 Melbourne, FL Hamfest find, a 3 dollar 20 meter hamstick, and i reworked it for 10 meters. Your email address will not be published. http://www.arrowantennas.com/inst/OSJ146440.pdf. 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 Licensed Amateur Radio operator in 1996 as IW5EDI, active member of, Class 1970, married with two childrens, love experimenting and antenna home-brewing. SWR is under 2:1 from 26.960MHz to 29.890MHz. When I built that one and it was all completely done I think that the whole project cost me nearly 100 bucks. I like your post. I used thin copper tubing instead of aluminum and 5/8 Vertical Ground Plane antenna for 10 meters A Ground Plane antenna project for 10 meters band by N4ZAW. They are a simple design and offer more gain than a half wave dipole antenna. 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 ). WonderBar 2-el beam on a 5-ft boomApril 1980, p. 59, WonderBar It's a great antenna design. Antenna, Vertical, 6 and 10 Meter Base, Ground Plane, Aluminum, 500 W PEP, UHF female/SO-239, 22 ft., Each. It just happens to be perfectly hidden behind the mast in the picture. Reply 0000004323 00000 n