The following is a list of known issues with the Touchstone 2.0 specification document. 1) p. 5 (PDF) - "[Two-Port Order]" should be "[Two-Port Data Order]". Pending Touchstone 2.1 TSIRDS 1) Bottom line of page 1) TSIRD2.1, change [Binary] to [Noise Data] (similar to [Network Data]) - from Curtis Clark, 3/26/11 Last Updated: March 26, 2011