1/2 wave dipole vs 5/8 wave dipole

[RadioDaze]

Does anyone have any models or data on what the elevation/TOA's are on these 2 antenna lengths ?

 

[M0GVZ]

Does anyone have any models or data on what the elevation/TOA's are on these 2 antenna lengths ?

Vertical or horizontal? Horizontal won't make any difference, its the azimuth pattern that will change.

 

[RadioDaze]

Vertical for sure, thanks.

 

[Moleculo]

The 5/8 "dipole" is usually referred to a Double Extended Zepp. Google that and you'll find quite a few models for various bands. Here's one for 40, 20, and 15 meters:

And here is the model viewed from above:

Images courtesy of: http://www.chem.hawaii.edu/uham/zepp15.html