http://www.trevormarshall.com/biquad.htm
he work damn Good for the fun
and he is an expert... (see the equipment)
there is too an omni directionnal system
http://www.trevormarshall.com/waveguides.htm
( same author)
http://www.qsl.net/n9zia/wireless/
GOOd site too
http://www.g6lvb.com/60cm.htm
need to be scaled at the frequency (it's a little bit too low)

by the way to the moderators : you're fine and effective men !!!

JayZuss is still alive