This account contains Version 6.0 of SRD. It is an attempt to combine the modifications made by Bob Turkelson (Goddard Flight Centre) and Ray van Tassle (Motorola) as well as to add a number of new ones. For a detailed writeup on the changes made see README.DOC in this account. From: Phil Stephensen-Payne, c/o Systime Ltd., Concourse Computer Centre, 432 Dewsbury Road, LEEDS LS11 7DF, England.