The following selected records at Maui after Shot 5 are pre~ sented in Fig. 30336 , +5 h 20m = showing doubtful first-period arrival by indication of 2-hop oblique near F2-layer anf ~ “/ critical frequency +6 h 52m - normal + 7 h 20m = 2-hop oblique echo clearly visible over a wide range of frequencies The ae a ~ ye vy nh ee . : / : +5h 20m . . : , ,+6hS2m b 600 y ; cL. +8h 20m ° y 400 ao 200 ; “M I 800 hae! * 2 3 a 4 —_— +Th 20m 600 400F . 200 oO Fize 3.33 = Ionospheric Records at Maui Following Shot 5, Showing Possible and Definite Effects 64 SECRET - +e 5s2m{

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