Tri-band feed WA3RMX
2320, 3400 & 5760 MHz
References:
Hill, Tom WA3RMX, "A triband microwave dish feed", QST August 1990 p.23
Dreier, Jochen DK8SG, "Drei-band Erreger für Parabolspiegel", DUBUS 2/1991 p.1
Britain, Kent WA5VJB, http://6mt.com/f16.zip