i CONTENTS 3 PART I - GENERAL INFORMATION «we eo ee ere reer ese eee ree 4 Observed Weather at Shot Time. . 2 oe ee eee erecevererrece 5 Fig. Owl - Eniwetok Atoll Map... see eevee vevrevser 7 Fig. O-2 — Runit Island Map with Scientific Stations. . « «6 « eee 8 Fig. O-3 = RadSafe Survey, DA le ww ee vee weer eo eee eee 9 Fig. On, - RadSafe Survey, Df 2... cccessccrveeves LO Fig. O-5 - RadSafe PART II ~ DOD PROGRAMS Project Survey, .. ee D£3.. woe eer vr 2.2 cc ener vrevceeveecvrseee ese sreresc eee ee e ° 6,1. = Accurate Location of Electromagnetic Pulse Source. cd e e e e ° e e e . e * ° e ¢ e ® r 13 - Effects of Atomic Explosion on the Ionosphere .. . 15 Project 6.3 Project 6.4 = Determination of Characteristics of Airborne e Flush Mounted Antennas and Photo Tubes for Yield 6.5 = Analysis of Electromagnetic Pulse Produced by a Nuclear Explosion. .s«cecsecsecescesvervevere 18 Project 6,6 <- Electromagnetic Attenuation Measurements. « « « « 19 LASL 10,1 e os e e e ° ® ° . e ° ° ° ° - Fireball Hydrodynamics. . 2 «es o e e s e e e a ° eceececececeve ee Project 10.2 = Time of Arrival ...s2eccsccvcccecvcecsevceee Project 11.1 - Radio Chemical Analysis . Project 11.2 - Sampling. Project 12,1 - Threshold Detectors... Project 13.1 = Measurement of Alpha. Project 15,1 ~ EGG Photography. Project 16,3 cececevreecveveevneeves 25 8 esc .eseeeeecrsecevvee 23 Oo 8 «1... 4. 20 © eee ee 30 - Electromagnetic Measurements, . «ee ec cece 35 PART IV = SC PROGRAMS. . 22 se ec ccc ccec eee serene eee ee 36 } COPIED/DoF : LANL Re PROGRAMS B ~ & TI Project DISTRIBUTION 31.1 «2. 2 «eee - Microbarograph, . ee ee wee rere eoeoevevreere «see ewe en ce eo ese eo 6 © eee © © eccececvrceverereccee ew ene se oe eo tee te A _ 16 Project Project f 12 + e Determination at Extended Ground-to-Air Ranges. « e PART b INTRODUCTION 2. 2 ee ee ee ewe ero e evn eee eee ene eee