Further to my questions about HP RTL, etc., one thing - what is 'ppm' - I assume so format but for what - is there any spec. for it obtainable by anon. ftp ? Cheers, Steve Culshaw NRA North West e-mail : nra at cix.compulink.co.uk (use this for general usage) or sculshaw at cix.compulink.co.uk (Private - only checked at best biweekly)