I see a lot of chatter about a cable for the KPA500. I'll have mine on my K3, I don't have a P3 or any other band decoders and the like. Do I need to modify my order to include a cable? 73, Fred K6DGW - Northern California Contest Club - CU in the 2011 Cal QSO Party 1-2 Oct 2011 - www.cqp.org