Anyone have comments on the idea of making a X-Mount Twin Dipole using 1/4 wave elements? Here's my take on it
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Twin X-Mount Dipole Idea
- Thread starter Lil'Yeshua
- Start date
My other project would be to make a two element dipole beam using two MFJ-347's. the driven element would have two 102" stainless steel whips. The reflector would have two MFJ-1966 108" stainless steel whips mounted on a MFJ-347 dipole mount with both MFJ's mounted on a three foot beam and used in a horizontal configuration. The X-Dipole idea would probably need to be co-phased using 75 ohm jumpers.
I don't think your x will work.
Try making a dual dipole parallel and 1/4 wavelength apart. With both elements driven the director will be slightly smaller.
Sent from my homebrew wooden jungle box using morse code.
Try making a dual dipole parallel and 1/4 wavelength apart. With both elements driven the director will be slightly smaller.
Sent from my homebrew wooden jungle box using morse code.
On their mobiles,John Denver and Motor Mouth Mauls each uses a two element horizontal beam on a mast that can be elevated to 22 feet high. In my case, even with one dipole at a 45 degree angle(sloped dipole),it would be good for local and DX. As for the X-Dipole idea,it would be neat to see how it radiates and what kind of adjustments would need to be made and what kind of antenna this resembles.
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Thanks. I was thinking if the elements were tube aluminum and wire somehow connects the tips...
I stand corrected... Kind of. I'm from Louisiana, show me. I'd like to see it work. I have thought about it and thought it would have too much reflect, but maybe if you could get a match (maybe beta) it would be functional. I'm Just shooting in the dark now though.
Sent from my homebrew wooden jungle box using morse code.
Sent from my homebrew wooden jungle box using morse code.
I think the positive elements would react to to negative ones sort of kind of like a Sirio Vector 4000. The key is making it work and there would be a benefit and no parasitic element to it
Cool! I was thinking about circular polarization. So,on the second dipole I reverse the center/shield connection? I was thinking of making this a vertical but horizontal sounds good too.
https://www.google.com/search?q=Turn-Stile'+antenna&ie=UTF-8&oe=UTF-8&hl=en&client=safari#itp=open0
http://puhep1.princeton.edu/~kirkmcd/examples/turnstile.pdf
http://youtu.be/cHaN0xYm1mw
http://ea4eoz.blogspot.com/2012/09/the-turnstile-antenna.html?m=1
According to the last link I posted here,this typ antenna has very low gain but good omnidirectionalness. I wonder if it can be vertically polarized and a reflector added to it? In a horizontal position, maybe a ground plane can be added sloping down at a angle
http://www.g8seq.com/vhf_antennas.php
Quote from above link> I designed these originally for contest use. The first one was for 4m. It was so successful that we used them for all bands from 6m to 70 cm. The 70 cm antenna is actually two of these stacked, making it a quad turnstile not to be confused with a turnstile quad, which uses two quad elements in an octahedral arrangement.( I even used the 70 cm one on 23 cm, but it no longer has an omnidirectional pattern at the higher frequency!) I have also built one for 10m.
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