At the request of GPS users, effective at the close of business, Friday March 30, 2007, we are enhancing the GPS Trade Record data file (DGPS, PGPS, FGPS and EGPS) to include additional fields.

Below is the new trade record layout.  The first trade record (current) is defined by a “T” in the first byte – and the enhanced second record will immediately follow and will contain a “U” in the first byte.

For the full text of this advisory . . .