SECRETe @ @@ rage 3 3.3.8 Mesaureesnts my alec be unde by weane of the optical cbnervations ef the shock framh imkervecting with vires. 3.2 ty OR et ME oe oe Sf eae meen Gn Bsa ee Measasesente near the growl cf the preasure~-t ine-distanse chasucteriatics of & muslea? expleaicn will be mde. This qmotity fl) be asasured chiefly by means of chserw.tion of shook walcotiy and sounh velceity, pressure mugs vill be used for high :yeseure regions ani infemer gauges for icv ;reseure vegies. Yolinsteze will be used ag a back. 3.9 Denetty ank Tempeeture vero Tis A meagurenech of Cheee quantition is being ecnsiéered. 3.6 Amrmmetrige Ychogmphie cheervaticn of the shook wave from aircraft ie planned to infieate ahock wave aayunstry. Te ia :lamned to meneure Giffvaction effects cf the bisat wave around sevrexni such structures.