What do electric and magnetic fields look like around a dipole antenna?

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I am studying to about maxwell's equations on the electric and magnetic field.

First of all, just do the example and exercise: https://www.princeton.edu/ssp/josep...ide-to-maxwells-equations-D.-FleischLEISC.pdf [Broken]

I have this dipole antenna: http://www.universal-radio.com/catalog/hamantht/1204.html and trying to understand what are electric and magnetic field look like around dipole antenna? and what direction do I expect for the electric field to be in distance d? and if I have 2 same antennas, 1 is right next to me and another is 6km away, what do you expect to see the one in 6km away? I assume the distance between I and the dipole antenna is d.

If anyone has good video link or pdf link in detail what those fields look like, that would be nice, I would like to have more visualization by video or images.

Thank you.
 
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Answers and Replies

  • #2
Drakkith
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Does this help?

Felder_um_Dipol.jpg
 
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  • #3
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Does this help?

View attachment 196985
It is helped, but for the visualization.
Do you have any information (links, or book) in detail for this topic? if I have 2 same antennas, 1 is right next to me and another is 6km away what direction do I expect for the electric field to be in distance d? and what do you expect to see the one in 6km away?
 
  • #4
Drakkith
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Sorry, I don't have any in-depth references for you. :frown:
 
  • #5
tech99
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It is helped, but for the visualization.
Do you have any information (links, or book) in detail for this topic? if I have 2 same antennas, 1 is right next to me and another is 6km away what direction do I expect for the electric field to be in distance d? and what do you expect to see the one in 6km away?
I think they are getting at the idea that the lines are not curved when considered over the dimensions of a typical antenna at a great distance.
 
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tech99
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I think they are getting at the idea that the lines are not curved when considered over the dimensions of a typical antenna at a great distance.
As a matter of interest, Hertz published his idea of field lines in one of his papers, and they are reproduced in Antennas by J D Kraus. I am not certain that the pictures correctly show the induction fields close to the antenna.
 
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As a matter of interest, Hertz published his idea of field lines in one of his papers, and they are reproduced in Antennas by J D Kraus. I am not certain that the pictures correctly show the induction fields close to the antenna.
Thank you for more information.
 

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