de WB2CPN I'd want something that fitted RG-58 or RG-59, and something I could find various adapters for. SMA's were not intended for a mixed up enviroment that we hams have in their junk boxes. We have come a long way since Motorola devised their antenna plugs and sockets for automobile radios, but RCA plugs and sockets are still all over. 73 Clete Trivia