Topband: " T"

[Rick Karlquist]

DGB wrote:
> I understand the length of an "L" is typically a 1/4 wave, up so far and
> out the remainder. What about a "T" ? Is the total length of the T top
> what's left over after the vertical section length?
>
> thanks 73 Dwight NS9I

For a T, the sum of the vertical wire plus half the top wire
should be 1/4 wl for resonance.  For example, a 90 ft vertical
needs an 80 ft top wire if 1/4 wave is considered 130 ft.
This is a rule of thumb; for exact answers use NEC.

Rick N6RK