I use NEC-WIN Basic, which is a Windows wrapper for NEC2 code. I've had no trouble modelling quads with it... -Tony, K1KP, fisher@hp-and2.an.hp.com -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: K7LXC@contesting.com Sponsored by Akorn Access, Inc & KM9P