To: SLR Stations Fm: GFZ Orbit Prediction System Op: Automatic Generation DSIDP GRCB.ORB.PRD DRAG FUNCTION A 020721.2 IRV SET 020721.2 EPHEM NO 219 SATELLITE 8004 MAXEPOCH 1 EPOCH 931.5 DRAG FRCO 0.0 31.7 1.0 NMAX 20