Geter w7-~ ACTUAL SHIPS TRACK AND ACTUAL POSITIONS OR STATIONS DURING TIME OF MEASUREMENTS. soma HYPOTHETICAL SYNOPTIC TRACK THROUGH SAME WATER AT TIME OF FALLOUT, ALSO ESTIMATED POSITION OF STATION WATER AT TIME OF FALLOUT. COMPUTATION OF THIS SYNOPTIC TRACK REQUIRES INTRODUCTION OF ESTIMATES OF TIME OF ARRIVAL AND ALSO VELOCITY OF OCEAN CURRENTS. ¥S NOTE: . oe “ C3 ore Figure 2.6 Ship’s track, Shot 5 survey.