"Effective length" refers to dipole type antennas in free space.
"Effective height" is the equivalent property of a grounded monopole.
They're often used somewhat interchangeably.

Roy Lewallen, W7EL

John Popelish wrote:
Is "height" in "effective height" really referring to effective
radiating length, rather than something to do with elevation above
ground (assuming that one is talking about a monopole above a ground
plane)?

In other words, is the "effective height" of a horizontal dipole
actually related to its end to end length, not its distance above ground?

I am just trying to get started on the right foot in my reading.