HAM RADIO: DELTA LOOP ANTENNA FOR 10 METRES
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- Опубліковано 31 гру 2022
- With 10 metres opening up much more regularly, its a good time to think about getting an antenna up. Verticals and dipoles do very well. But what about a Delta Loop? And should this be Vertical or Horizontal?
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I think 10m is close to the heart of all of us who started with CB, certainly the case for me.
100% same here. It’s a great band
I built and used one of these for about 10 years on 11m back in the late 70s and early 80s... it was my only antenna at the time, it was on a set on TV brackets outside my bedroom window at my parents house.. i was still only a child really, I would hop out onto the flat roof and loosed the u bolts to turn it... the 'Armstrong method' lol... great times... worked a ton of DX with that loop 😊
If only I could do the same! What we used to do eh!?? 73
Thanks for the discussion, Tim. I'll be building one at my QTH soon. I have some 75 Ohm coax in the scrap bin that will make a perfect matching section for feeding...I just have to figure out the VF. Hope you are having a great start to 2023.
Thank you! I wish you well with the build and have a great 2023!
Great video as usual! Keep them coming, I enjoy them. I have a 80m skyloop at my qth and love it. I have tried end feds, inverted L's, and raised verticle monoband antennas. The skyloop still reigns as king. Not a 'verticle delta' loop, but still a full wave loop. Hope you have a good New Year, I look forward to more of your videos. 73's, N2SCD
Great antenna Stanley. Great to have you stop by 73
Happy New Year Tim, Thanks for all the videos they are really helpful.
I cut some wire to make a dipole for 10m yesterday as it happens, I'm just waiting for a break in the very wet Welsh weather to go and try it out :)
73 2W0LPU.
Ah superb! Enjoy the antenna!
Work pretty good fed 1/4 wave down from apex for ‘even better’ vertical polarisation. Like a pair of co-phased quarter waves with couple dBd gain. I use one now and again portable (see channel) with 75 Ohm matching stub…. or sometimes I use a 20m perimeter and feed with 450 Ohm ladder back to a balanced tuner for a couple more bands. Last week I operated SES G5AT from a friend’s station with 400W to a 5 ele and attracted lots of VK, AP, VU, HS etc. 180Qs on 10m SSB voice. I must get back into 10m a bit more myself. HNY
Sounds a superb set up. Happy new year Nick 73
Great video Tim! Seriously thinking about a 10 meter Delta Loop next month when I'm back in Poland. I'm thinking about rotating the loop 90 degrees so the base of the angle is truly straight vertical, something like this I> if that makes sense. My thoughts were to feed it on the truly vertical side a quarter wavelength down from the top. I'm thinking the apex or vertex (angled) side of the loop will make it directional. Something that looks like a vertical Moxon triangle versus a square. I haven't modeled this yet, just a mad scientist idea I have right now. This might be a complete fail but I really want to give it a try. We'll see. All the best my friend!
You gotta do it Walt!
@@timg5tm941 sending you a sketch of the idea
Vertical loops are interesting Tim. I've always been hesitant to use one as its difficult to get one high enough vertically polarised. For say 12/10m not too much of an issue. Would be great to see you try one by saltwater and you only need 1 support to try. It should be awesome over the sea.
Thanks Colin. Yes it’s on the to do list 73
Hey, nice to meet you, I'm Imam callsign YD2DIO from Indonesia, it's a pleasure to watch your UA-cam. I'm building a delta loop antenna for 10 meters, please suggest how to make my antenna have maximum gain and performance. thank you 73
If horizontally polarised get it as high as possible
Hi Tim, I have used a an upside down delta loop on 10m with great success for several months. Just few weeks ago I changed to a moxon and although it is a great antenna I was impressed closely to it the delta loop was performing. I strongly recommend the delta to anyone who is starting in the hobby and or doesn’t have a rotator. You will certainly be surprised with its performance.
73 de PU1MOZ
That’s brilliant Eduardo. I look forward to working you in 2023
Tim just out of couriosity have you modeled the loop fed a quarterwave up one of the legs. That the place I always understood it to be at its best for a triangle. Shaun M3ULT
Yes and it works well Shaun
Tim have a look on my QRZ page you can see my wire loop on its pole, works well and quite compared to my vertical
I’ll take a look Tony, thanks 73
I love my skyloop.
Great antenna Ray 73
Nice video mate, I still prefer a vertical, less work and all round performance, just one mast, and less wire in the air for neighbors to complain about hi.
73 and hny.
Very true! Happy new year Brian 73
I already have an AR-10 vertical and it works great. But there is very bad power line noise in my area so I am hoping I can null out the noise with a Delta Loop.
Thinking through the delta loop, horizontal it's a pair of stacked dipoles (bent and the top one an inverted V), and vertical it's a pair of phased verticals ? 73 Tim and Happy New Year, G0JLF.
Great observations John 73 and HNY
Happy new year Tim, what sort of result do you get if the loop is physically horizontal or sloping?
Hmmm I’ll need to model that
Hello Tim what about is you mount the antenna on a flag pole with the shape of a triangular flag fed at the bottom corner?
Yes that could work
So, the way I understand this, I want the flat side or opening facing my target station. Right? Both horizontal or vertical polarized.
Through the plane of the loop for horizontal. Less of a requirement for vertical
I'm building a Delta Loop and some people tell me to use a 4:1 Balun and others tell me to use a 2:1 Balun. Has anyone done a comparison to determine if the 2:1 or 4:1 Balun work the best?
Usually 4:1
Better ways of doing it though. Inverted delta loop fed at the bottom gives you optimum low angle transmission, look up W6NBC's presentation.
I'll model this, thank you for the info.
@@timg5tm941 if you want something else cool for HF, look at his double inverted delta loop for HF
Yes I saw that tonight .. it’s a real eye opener!!
Hello Tim from its GW4 WVE from Abertawe hi hi. i tried a Delta for 10 but couldnt get it hi enough with a 4.1 balun i still got a load of noise, have you tried a 10 m square loop ? any info on them
Hi Mike no I haven’t but it’s on my list
Hi Tim,
10m is easy to build antennas as they are relatively small. Luckily I have a 5 element yagi for that band. Waiting for the band to bust wide open. 🙂 You and your family have a safe and Happy New Year. 73 WJ3U
You too Don 73 my friend
Possibly a solution for those of us confined to the attic.
Maybe 👍
HNY brother de 2e0ree
You too Andy mate 73