Empirical K-factors (K.) for detonations at various heights of burst and on various supports. Figure 1 4 10 a 103}= 4 Smali Boy | x | 102 | Legend ® Near surface, no support structure * Large yield = 4. Wooden tower + Steel tower © Uncertain - 10 ~20 { -10 i 0 t 10 i 30 j 40 __|j 50 SCALED HEIGHT OF BURST (A) F4 9 rr E a. r —_— rc - - oo ~ = * in am. ae - he a . 5 =e ~ r