Just like to say thanks for all the very informative and helpful replies to my post on this topic. The amateur spirit is alive and well on this reflector. 73 es tnx end Barry Kirkwood PhD ZL1DD Signal Hill Homestay 66 Cory Road Palm Beach Waiheke Island 1240 NEW ZEALAND phone/fax 64-9-372-5161 www.waiheke.co.nz/signal.htm