Hi All I have a KLM 436 with < 1 db preamp I did not here them yesterday. I have about 2 db of sun noise. The question I have for those who copied Arecibo yesterday how much sun noise do you have in a 2.4 KHz band with filter? Thanks nick Office 337 593 8700 Cell 337 258 2527 Helping UL become a world Class Engineering and Educational School