Clive Whelan wrote: Hi Clive! Save yourself a lot of hassle and get one of these. http://tinyurl.com/rl5dh Duncan Munro M0KGK put me on to 'em, they are very low noise in operation and generate little if any RFI. I keep a spare one in the shack they are that good. HTH? 73, Frank GI4NKB --