Dear All: I too have no desire to see this kind of abusive and personal material, mistake or not, cluttering my email. One would have thought that the technical competence of people who run sophisticated instruments mean't they could use an email system. It is with some regret that I too will be unsubrcibing from the list. Iain Gilmour Planetary Sciences Research Institute The Open University Milton Keynes MK7 6AA E-mail: [log in to unmask]