OPERATION CASTLN - DATs: TIM: PPG time ao Apr 195) 0605 Union GMT Sponsor: 25 Apr 195) 1805 SITE: LASL PPG - Bikini - near Dog & Fox 11° 39' TOTAL YIELD: 6.9 Mt 59" 165° 23' 44" Site elevation: HEIGHT OF BURST: Water depth: N E Sea Jevel 7 ft 160 ft 94,000 ft CLOUD TOP HGEIGHP: 51,500 CLOUD BOTTOM HsIGht: MSL ft MST, REMAPKS: The on-cite fallout pattern was drawn from land survey readings made by technical project personnel and by the Radiological Safety organization, Plus conversion of the activity to dose-rate readings of samples from fallout collcetors. The shot loration and the winds localized the radiation levels of military significance to the northeastern portion of the atoll. Tne dosv-rate reudings were cxtrapolated to H+l hour by using actual field-decay rates. 80