G'day all, For those interested in cancelling noise at the aerial, Lloyd Butler has two interesting articles here: (1) http://users.tpg.com.au/users/ldbutler/LFNoiseCancel.htm (2) http://users.tpg.com.au/users/ldbutler/NoiseCancelling.htm 73 de Les Smith vk2bcu at operamail.com -- http://www.fastmail.fm - The way an email service should be