Multiple frequencies?

In simulating an antenna with multiple feeding ports, how can we specify
for NEC (or any other antenna simulator) different frequencies for the
different ports?

Thanks

____________________________________________________________________
 Wael S. Ellithy
 Mechanical and Aerospace Engr. mailto:ellithy_at_coe.wvu.edu
 Engineering Sciences Building http://www.coe.wvu.edu/~ellithy
 West Virginia University Tel: (304)293-6601 Ext. 477
 Morgantown, W.V. 26506-6106 Fax: (304)293-6689
____________________________________________________________________
Received on Tue Oct 31 1995 - 18:57:00 EST