Is it possible to plot a power spectrum in Grads? If yes then how is it done? Yours sincerely, Snehlata Tirkey Ph:+91-7875224294 e-mail: snehlata_tirkey at yahoo.com -------------- next part -------------- An HTML attachment was scrubbed... URL: http://gradsusr.org/pipermail/gradsusr/attachments/20130501/7665586e/attachment-0003.html