| There is infinite freedom in the shapes of the  Self-Complementary Antennas that have constant input impedance independent of the source frequency. (One can easily think out various other self-complementary shapes.)  | 
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| Z≒188.4[Ω], (Balanced type) | 
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| Z≒188.4[Ω], (Unbalanced type) | 
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| The above figure shows the shape of the second type of self-complementary antenna originated by Y. Mushiake in 1948. | ![]()  | 
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| Axially symmetric SCA. | 
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| Z≒133.2[Ω], each. (4-terminal)  | 
      Z≒94.2[Ω]
       (3-dimensional)  | 
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| Z≒188.4[Ω], each. | 
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| Z≒188.4[Ω], each. | 
      Z≒188.4[Ω], each. | 
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| Z≒188.4[Ω] (Non-radiative)  | 
      Z≒94.2[Ω] (Non-radiative)  | 
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