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One of the questions that arises for me is when a vertically mounted and modeled antenna such as the A99 is compared to the dipole and no mention of the dipole being vertically modeled. Is the model free space, or over earth? Does the model include a mast for either or both? Are both vertical or horizontal?

Things change when an end fed has been provided a counterpoise. With no counterpoise, a comparison is like racing two cars with half of one car still on the assembly line.
Horizontal to vertical are not apples to apples comparison.
I will add that I agree that a 1/4 wave can be the superior DX antenna over an end fed 1/2 or 5/8 wave. Why? Because it is the only complete car on the race track.

[QUOTE="HomerBB, post: 724013, member: 8569"] One of the questions that arises for me is when a vertically mounted and modeled antenna such as the A99 is compared to the dipole and no mention of the dipole being vertically modeled. Is the model free space, or over earth? Does the model include a mast for either or both? Are both vertical or horizontal? Things change when an end fed has been provided a counterpoise. With no counterpoise, a comparison is like racing two cars with half of one car still on the assembly line. Horizontal to vertical are not apples to apples comparison. I will add that I agree that a 1/4 wave can be the superior DX antenna over an end fed 1/2 or 5/8 wave. Why? Because it is the only complete car on the race track. [/QUOTE]

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