avd. 186 While this pattern on the follow- ing day - the day subsequent to this had ex- panded of course, due to ocenn drift but was still meacurable, backed by decay and dice sipation, this pattern over here almost completely disapreared, 100 miles. The scale on thie map is up to We did no surveying within 20 miles on that operation, We worked along in; this tine we are planning not only to run through this area but correlsting with other projects that will be‘located on the atoll stations, Next slide, please. This is the Wigwam data where we hed the scale here, This is only 24 miles but I show this to show the eye plan of the pacsterngs and how 1t can be followed day by day as it moves, At H plus 5$ hours, thie was a total pattern; by 26 hours the pattern had shifted over here,at 46 hours while we de- termined this pattern and in 70 hourg the pattern is starting to move with a little lobe breaking off 1t and in 96 hours the overall pattern is considerably larger,

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