Hi all,
I am designing a curve stacked dipole antenna with following specifications.
Frequency of operation: L band
Azimuth: Omni-directional
Elevation: 6 to 70 degrees
Polarization: Horizontal
I was wondering is there is a way if an antenna with similar specs but vertical polarization be used as horizontally polarized antenna upon rotation or any other means?
As per my understanding, if I rotate a vertically polarized antenna by 90 degrees, the stacked dipoles (vertical in case of a vertically polarized antenna) would now be horizontal. However, upon rotation, the results in azimuth and elevation planes should disturb.
yes you are correct, physical rotation of dipole will change the polarization, and also the radiation pattern.
Yes, you can rotate it, actually, the common way to do dual linear polarization antenna is to design one than to put an identically one with a physical rotation of 90, like the attached horn antenna.
Also, for example when you will measure your antenna you will use a standard linearly polarization antenna whatever horizontal or vertical and you will put it any direction and measure then rotate it 90 then measure again and these two measurements are the CO/Xo. This will produce the same results regards the type of polarization and the only difference will be either you get CO/Xo or Xo/Co.
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