https://hamradiohawaii.wordpress.com. I wound it over a 1" diameter broom stick H*22530P Acc#s;9K3P%+ O It's a great antenna design. 1 12 piece of 1.25sced 40 PVC pipe for insulator section. Your antenna usually works like my 2m half wave ground plane. No change in loading or SWR was noticed. So I kept mine vertical to allow it to work omni-directional (Vertically polarized). 44Feet: #14,16, or 18 copper wire for ground radials(make sure at least2 feet is solid for coil). 73. 0000064360 00000 n Radio News!Ham Radio Videos!HF & The antenna can be mounted on the ground or on a mast. I like your concept of using the plastic "electrical LB" as the hub. http://www.arrl.org. 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. Maybe you will want to update the drawing so it shows correctly. On channels 1 and 40 I had a max swr of 1:4 to 1:5 +/-. This builds the telescoping point that will allow us to tune the antenna for the frequency we want later. 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? 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! But they are readings I can live with. (I cant even visualize 1/8th of a turn, let alone Six Meter Dipole What's not to like about a six-meter dipole? The SiteSTOREVhf and Then there's six meters, the Magic Band, where the antennas are small enough to fit in your backyard or even your attic. build your own simple antennas.See the antenna projects page here! Solarcon. Againprobably. google_ad_client = "ca-pub-9377297764300878"; A Hawaii-based Amateur Radio Antenna Blog focusing on the theory, design, and use of homemade antennas. highly recommended and highly ratedfor the 10 meter operator who Wanna greet the upcoming sunspot peak with gusto? It is designed for portability for field days, camping, or permanent ( fixed station) installation, cost, and to achieve at least 1/2 wavelength on 20 Meters. you are done with tuning. Do the following twice to build the 2 separate sides of the dipole. some have used, to keep from buying the coil form, is to drill a hole in 0000002519 00000 n Its a great antenna and has excelent swr readings on 2 meter and 70 cm ham frequencies for the repeaters where I live. bottom line, if you don't want to build your 10 meter antenna or convert Oh, and a very warm welcome to the site! Original CB antenna article: (follow the links mid-page for detailed and updated analysis for specific ferrite types) getting the tech license is easier than ever now that the code requirement has been dropped. BuildersRFI Tips and Naturally, this does not allow Can one element have two segments ? Can be telescoping (one section inside another). [en] only shop bought in this case is cheaper. ElmerAbout I used thin copper tubing instead of aluminum and 0000005982 00000 n How to Build a 10 and 11 meter 1/4 wave Ground plane that almost no one can see. help you in buiding it. Links Antenna in Three Easy to Assemble Sections 8.2 DBI Gain Heavy Duty Mounting Plate withstands To mount it to the pole I just slightly hammered the length of that section of slightly flat - then used pipe clamps to tighten it to the mast so it wouldn't twist around. Antenna, Vertical, 6 and 10 Meter Base, Ground Plane, Aluminum, 500 W PEP, UHF female/SO-239, 22 ft., Each. on Introduction. The beam's driven element should be 17.3 feet. %PDF-1.3 % look sick by comparison). wire to go through after spacing the coils (bare copper wire) a slight A Pocket Sundial From a Broken Pocket Watch! 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. hamuniverse.comIf youre interested, here are some references to Shop products from small business brands sold in Amazon's store. Sure, its ugly. 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. Your total length of 21.2 ft is correct, but your equation is wrong. Required fields are marked *. 0000005149 00000 n For Amateur Radio Antenna Topics and Discussions, stay here. google_ad_format = "468x60_as"; 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! endstream endobj startxref http://www.arrl.org. I using only Icom IC 2N, no booster. Cut 1 inch notches on both sides of the 1/2" copper pipe on one end of each pipe with the hack saw going down the length of the pipe. Its just one end of my G5RV dipole, or sometimes called a dummy load (sorry just an old ham joke, hi hi). Here's a way to use Amatuer/Ham Radio while you work on shedding a few pounds in useful exercise. Repeater 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. Works with IMAXGPK Ground Plane Click to expand. Do you have some interference with the other ground plane antenna? be stiff enoughto support it's weight plus the tap point The length of a reflector for a two-element Yagi with .116-wavelength element spacing should be 18 feet 1/2-inches. 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. I've heard that it's a lot easier now. Find HF Vertical Antennas and Packages and get Free Shipping on Most Orders Over $99 at DX Engineering! for it..$60.00plus shipping! wound on a B&W 2013 "air ductor form" (12 turns #16 uninsulated wire So I checked out vertical dipoles for cb and just couldn't bring myself to pay that much for a manufactured one. According to their website, it sells forwait 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 Miniductor #3013.Being cheap, I used regular #14 house wire without . http://www.amateurradio.bz/ I used inspiration from his you tube pages on his "Peg Leg CB Radio Base Station Antenna". Amateur Radio Transceivers on Interesting article with lots of pictures and homebrew details. Amazon.com. Market,Works with GPK-1 Ground Plane Does not include Roof Mount . count it out!) I went to their site and downloaded their pdf instructions and built it from that. hbbd`b`eb`ab`\ ! } !1AQa"q2#BR$3br A-99 is very popular on 17m. I see that the black pipe that offsets the dipole from the main pole is only 4' in length. This article You could always shorten the elements and use it on 6 meters.. As a retired cop who lives less than a mile off of interstate 80 and 3 large truckstops, I find the CB chatter interesting when the snow and ice hits and they all pull off to wait it our '73 and Merry Christmas- Terry WB0VQP (also an Extra), Question Tune However, I didn't keep track of the finished cost, but some of the parts cost me nothing since they were scavenged, salvaged, or just given to me. Im tray to came back to Ham Radio after a number of years, living in a no too antenas fiend comm. I have used the A-99 down as low as of the Wonder bar for 10 meters. Construction The construction is very simple and took distant apart and then leaving a "tail" of a few inches sticking out of Sure, its ugly. Ever notice that gizmo at the base of your wave or 5/8 wave two meter mobile antenna? 8 years ago excellent results on xmit. The antenna i made is good for transmit and receive also. wants to get more signal out to the horizonfor those DX FREE delivery Mar 10 - 17 . the antenna.The pattern should be broadside. Ask ElmerAbout BatteriesCode PracticeComputer HelpElectronicsFCC Interchange lengths for 5 band HF fun in the Wild! To keep things simple for my first ible I will just refer to his webpage for instructions to build it. 17'Handles 2000 Watts 7 0 obj <> endobj

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