Position, speed and altitude come from the Mars Pathfinder cruise SPK integrated forward with the measured ASI/MET accelerometer data, started from the Navigation entry state (variant B). Altitude is accurate to about 1 km against the DDR, and the track to a few km. Atmosphere values are the DDR rows (141 to 9 km). Pressure under the parachute is the MET transducer, which reads low. There is no attitude data, so the capsule is always drawn along its velocity. After the rocket signature near T+337 s the position is held and altitude is not resolved; the accelerometers continue through impact and the bounces. Time since passing R = 3597.2 km is T+.