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Build Simple Effective Common Mode Choke For Antennas.

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  If you're bothered by RFI in your ham shack, you may want to build this easy common mode choke for your antenna systems. In this video, Steve Ellington (N4LQ) takes us step by step through the design, construction, and testing of this useful antenna accessory. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=UP6G7PYyZHg. Here are a few comments from Steve (N4LQ): These chokes are as good or better than most anything on the market and much cheaper! Most commercial units use tiny ferrite sleeves or beads crammed into a PVC pipe. These have higher impedance and can handle outdoor use. Fair-Rite part number 2631803802 For RG8x or RG8M keep power under 500 watts. This assumes a 1:1 SWR. For higher power or high SWR use RG-400 coax. See link: https://rover.ebay.com/rover/1/711-53... If you use RG-400 you will have room to slide a piece of 3/4" or 1/2" PVC tubing through the center to devise a mean

DIY 2m 70cm Rollable J Pole Antenna

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If you need better performance on the 2 meter amateur radio band, why not try this innovative J Pole Antenna from West Pidhaychuk (VA5MUD)? The antenna is lightweight, easy to build, and can be rolled up to fit into your emergency go-kit. If you can't see the video, pleas insert this title URL into your browser search box: https://www.youtube.com/watch?v=QBXRZAnvhaM. Thanks for joining us today. Aloha es 73 de Russ (KH6JRM). Here are some comments from Wes: Home Brew 2m J Pole antenna. Peel and stick some metal tape on a strap, cut out a J pole pattern. I will also show how to make the coax connection using a 3D printer guitar strap adjuster, this will also serve as the tuner. No Sewing, No special materials, Tunable to the perfect part of the band you are using. Can work on 70cm. https://www.thingiverse.com/thing:466... Enlarge 200% https://www.thingiverse.com/thing:435... X2 0:00 -opening 4:50 -The Rollable J Pole 7:00 -The Build 7:30 -Measuring 7:52 -Cut the tape 9:15 -S

Yet Another 10 Meter Moxon

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  Here's another great  antenna for exploring the improving propagation on the 10 meter band. In this video from Toivo (W8TJM), we learn how to make an easy, effective Moxon Antenna for exploring this fascinating amateur radio band. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=dg-1zO1MJS8. Thanks for joining us today. Aloha es 73 de Russ (KH6JRM). Here are some comments from Toivo (W8TJM): Hundreds of Moxon designs out there and here is one I just put up. Very easy to construct and it has performance that is quite impressive. Hamradio #AmateurRadio #Antenna #Moxon #DX #POTA Chapters View all Intro 0:00 Initial Testing 1:40 GPS Test 2:21 Strap Clamps 2:43 Center Insulator 3:11 Gap Insulators 3:46 Interlace 4:04 Assembly Instructions 6:33 Transcript Follow along using the transcript. Show transcript W8TJM 277 subscribers