The document to which craig refers to is also available in the Technobots Technical Guidance Notes section http://technobots.co.uk/en-gb/pg_19.htmlhttp://technobots.co.uk/en-gb/pg_19.html It is G6: EMI and how to deal with it. It is nice to see this black art of what we generally call radio interference presented in an easy to understand way. Document author Tim Mann (Stinger Team)

Paul