Interesting EM field animations...

[N3OX]

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