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Thinking End Fed
- Thread starter fogdog
- Start date
BJ radionut
Supporting Member and 6m addict
Wish I had some of those tree's...some DAMN nice dipoles or couple Hellascess WT "F-up" thr Doublets...WOW nice place!
Even a few wire Beams!!! or Lazy "H's"
Even a few wire Beams!!! or Lazy "H's"
BJ radionut
Supporting Member and 6m addict
Beast of a wire antenna Kop'r the Lazy H...mine is Horizontal at 45 ft...essentially 2 dipoles fed 180 degs out of phase with 34 ft. spacing...You've heard it...Works damn good!
80/40/20/17 meters tuned with my Double "L" tuner...it amazes me sometimes just how well it works...If I had his trees...look out!
80/40/20/17 meters tuned with my Double "L" tuner...it amazes me sometimes just how well it works...If I had his trees...look out!
BJ radionut
Supporting Member and 6m addict
And that big open space...what a great place for 2 or 3 beverage listening antennas!!!
But with 2 acres here...I think I do pretty fair...for what I have invested … I saved plenty of scrap wire, 37+ years as a old wire twister...I can do fairly well.
But with 2 acres here...I think I do pretty fair...for what I have invested … I saved plenty of scrap wire, 37+ years as a old wire twister...I can do fairly well.
Yes I agree. Some people do not know he difference between a dipole and a doublet. I ran a doublet for a couple years. Fed it thru a Yaesu FC-40 auto tuner outside the house then into a home made 1:1 choke then 450 ohm ladder line. Centre was at 62 feet. I had to alter leg length as well as feedline length so I could use both 20m and 80m. For some reason I could use 10,15,20, and 40m or 10,15, 40, and 80m but getting both 20 and 80m to present something the tuner could handle was a bitch.
been there
Haven't had the time or space to go back to it but now I think it was needing to avoid feed line multiples of a half wave @ frequency...
Then again it could have been aliens
I've been eyeing this antenna too. eham has it a perfect 5.0 star reviews. Might have to try one. https://www.eham.net/reviews/detail/12423
Thats where the home made balanced tuner shines. On 20 and 40 meters my tuner has to deal with high voltage that most store bought jobs wouldn't handle. Feeding a half wave antenna with close to 1/4 wave of feedline on 40 You know the math on 20m. The good part it no tuner needed on 17m and parts of 6m. The tuner in the radio is all I need for 30m.
I've worked 160 thru 6 with that antenna. It's a 1/4 wave doublet on 80m and 1/8 wave on 160. The fact that people can hear me well on 160 was a surprise. Only about 4kc of bandwidth without having to retune...gear reduction motors are great.
Yeah I was in a pinch for antennas and settled for what I could get using what I had. I bought the tuner several years prior and used it mobile so I figured WTF.....put it to use. The shack is at the opposite end of the house from the tower so running coax cable to a remote tuner made sense. Now I am using a ground mounted Hustler 5BTV + 17m over 36 radials 33 feet long. If my knee will allow me another trip or three up the tower this summer the yagis will be up and no worries about weird feedline impedances or compromise antennas.
10-80 metres straight into KX2 with factory tuner. Works great when I have trees on top of the mountains, but also run a 20/40 trapped dipole with feed point about 20'.
want the real meat?
https://www.google.com/url?sa=t&rct...-lcalcv5.xls&usg=AOvVaw12zzx9-_VFcfoRE7SUsxye
Be sure to put down the pre--emergence weed killer so you don't end up with a bunch of magmounts popping up all over the place! And only fertilize in the spring.