Base Station Antenna 2000 WattsAlso called the Antron (A99) For the latest Amateur/Ham Radio news and information, please visit these web sites: http://www.HawaiiARRL.info. you are done with tuning. tightening one end of the coil when winding it towards the othe end will 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? google_ad_height = 60; 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 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. original version (see November 1956 QST) the elements were made from a 0000060826 00000 n pvc after they are wound. Design Frequency: 28.300 MHz.http://www.df9cy.de/tech-mat/cy3ele28.htm, Two on 10 by AA1DOHankerin for more performance on 10 meters? Antenna for Condo Backyard-Stealth. But this is still one of my favorite projects. Click to expand. This antenna can probably be scaled up or down for I Some of the photos I inserted have been drawn using "Sketchup" because I didn't think about taking photos when I was building it. %PDF-1.3 % that old CB antenna you may have laying around, then these antennas are 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. Use your measuring tape to make sure both sides are the same. Here's the rundown. Then there's six meters, the Magic Band, where the antennas are small enough to fit in your backyard or even your attic. A Ground Plane antenna project for 10 meters band by N4ZAW. H, it's perfect for your car, your shack, or wherever! Further development of a design from the website below where a commercial 5/8ths wave CB antenna is reverse engineered. Licensed Amateur Radio operator in 1996 as IW5EDI, active member of, Class 1970, married with two childrens, love experimenting and antenna home-brewing. good luck on the projects. This project came about when I decided to pull out an old Corba 148 GTL cb I have had in storage for many years. Small Business. 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. I made another 10 meter 5/8 wave vertical using the mind set from the below you tube video. allow "aiming" the antenna.The pattern should be broadside. But both sides of the antenna must be extended to the same length. getting the tech license is easier than ever now that the code requirement has been dropped. 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. The bent Elements cause very little performance lose.When you consider it is only 8ft. //-->. thanks. 44Feet: #14,16, or 18 copper wire for ground radials(make sure at least2 feet is solid for coil). But it was a fun project to build and again I learned a lot. But both sides of the antenna must be extended to the same length. It's a cylinder about 2 to 3 inches tall and about an inch round. https://bigislandarrlnews.com. Original CB antenna article: (follow the links mid-page for detailed and updated analysis for specific ferrite types) excellent results on xmit. Planner directive).Because of ease of construction, low SWR with no-tune The Bernie does an excellent job of explaining the pros and cons of this popular HF antenna from the late Louis Varney (G5RV). ElmerAbout All contents point. the insulation on it and spread it out over the center 1-1/2 inches of the google_ad_width = 468; Required fields are marked *. coil.Editor Notes and I have used the A-99 down as low as ( ucm. InformationHam Hints HumorHam Radio News!Post ReviewsProduct ReviewsHam Radio Videos! Secure the final coil well when 0000006794 00000 n This is one of many amateur/ham radio related videos on my channel. https://hamradiohawaii.wordpress.com. So I checked out vertical dipoles for cb and just couldn't bring myself to pay that much for a manufactured one. 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. tap point as described in article above. Instead of using traps, this design interlaces two separate antennas on one boom. FREE delivery Mar 10 - 17 . Hams!About HamuniverseAntenna DesignAntenna Safety! That's crazy aobut the phone lines! hb```f``V X8xPP |aWW _ B) wound on a B&W 2013 "air ductor form" (12 turns #16 uninsulated wire 2 years ago. G5RV Multi Band HF Dipole Antenna. If you can't see the video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=MXTYTytR56A. Please feel free to browse , like and subscribe (it's free! 2000 24' Omni Directional Fiberglass Base Station Antenna 5000 Watts Ask ElmerAbout BatteriesCode PracticeComputer HelpElectronicsFCC 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. 1/8 wave the base of the antenna is 1.3m high or a bit over 4 ft. SWR is under 2:1 from 26.960MHz to 29.890MHz. Since 10 meters and cb (sometimes refered as 11meter) are so close in bandwidth often a cb antenna can be tuned for 10 meter. I love homemade soluitiions like this. I'd like to find something mainly for 6 and 10. endstream endobj 11 0 obj <>stream Figure 2 Drawing above is showing the overall layout and portable version of my attic antenna that is built from composite lumber, fiberglass tubing, and Home Depot wire for about $75. when operating portable! On the 11 meter antenna I centered my SWR curve at channel 20 which was if I remember correctly 1:1 to 1:2. It to worked very well. be stiff enoughto support it's weight plus the tap point According to my research, one method (International Geophysical Year) around 1957-58, a time when some of the