Thought these might be of interest.
Check out this one (the start of radiation from a 2 wavelength long doublet) and the other videos from this user:http://youtu.be/AfNWn8_xeL0
You can see the waves going off in four lobes.
Here's a similar one from another user for an ordinary half wave dipole:http://youtu.be/nYkj8RVi2hc
This one is a phased array:http://youtu.be/wvVUZBEdvrs