On Tuesday, August 23, 2016 at 10:33:00 AM UTC-4, Dan Daly wrote:
...the beam pattern for a half dipole is maximum at 90 degrees
and minimum above and below - think of a tire.

Nah, think of a DONUT!
Much better, mmmm...

See the 1/2 wave dipole antenna wiki at
https://en.wikipedia.org/wiki/Dipole_antenna
See the radiation pattern demo about halfway down.