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  1. T

    Antenna model

    What do you want modeled? The DB
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    Is resonance really where you get best antenna performance?

    So you quote a question, and then don't bother to actually try and answer the question. Instead, you use distractions that have nothing to do with what was being asked or discussed... I get it, you are a true believer, and that belief must not be questioned. Ever. Period. End of Story. Now...
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    Here is a intetesting Antenna to think about

    So, as no one else had anything to add, I will show some of my initial results here. The first image is created with 4nec2. It is looking at the radiation pattern on the horizontal plane, or like you are looking down on it from above. The antenna was mounted 10 feet above the earth, and this...
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    Here is a intetesting Antenna to think about

    Now that you put this thread back in front of me, I started wondering why we are getting a vertical component from the super sinner antenna models. Even the test model I made early on, which was made up of 100% horizontal wires, shows a definite vertical component. As of yet, no one has posted...
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    108 with a hat

    The last few editions of the ARRL antenna book give directions and formulas on finding the size of a T type capacity hat. If you have any it might be a good place to start. The DB
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    The EF vs dipole Full Wave pattern anomoly

    Good answer, its actually close to what I was looking for. I might have actually said this above, but an antenna model in freespace shows where an antenna is directly putting its signal, while an antenna modeled over an earth shows where the signal goes after the earth has played its part...
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    The EF vs dipole Full Wave pattern anomoly

    So you didn't bother to answer my question, yet expect me to answer yours? Its just like you to try and latch onto something that you think you can "win" on while ignoring all the evidence that is mounting against you... Next, your going to declare victory, but as usual that victory will exist...
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    Is J Pole Truly Omnidirectional Or Not

    A j-pole is not truly omnidirectional as it will have slightly more gain on the side the stub is on as opposed to the other. However, you won't notice the difference in the real world. If you have deep nulls in one direction on the horizon and not another, that will likely have more to do with...
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    The EF vs dipole Full Wave pattern anomoly

    As said from someone who has demonstrated multiple times that he doesn't actually understand how antenna modeling software actually works. If you bothered to read the entirety of the post you quoted from, you would see that I not only understand this, but I actually spoke to this. That being...
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    The EF vs dipole Full Wave pattern anomoly

    I know its been a while, sorry, I've just been very busy and my long responses can take some time. The current is 100% responsible for all radiation from an antenna. If the voltage contributed to radiation, the modeling programs would also show the voltage. Odd, every time I do this, the...
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    SWR Meters Make You Stupid

    That has definitely been posted here before. It is a good article, and there are many that can learn much from what is within, but what was left out is also telling. SWR is not what is making people stupid, our modern day view of SWR is actually little more than a side effect of the real...
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    The EF vs dipole Full Wave pattern anomoly

    Here are some images for you. First, the center fed current magnitude by itself. This is close to one of the images you posted above. 6717 Now the phase data for that model. 6715 And finally the two sets of data put together. 6716 Then the same three again for the end fed variant...
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    The EF vs dipole Full Wave pattern anomoly

    I got Mmana-gal working in linux, so I can use it if need be. Man its been a while since I used this program. I had to really search around to find the place to put in the feed point... Unfortunately there is nothing here that shows the phase of the signal, at least that I can see. When I...