Percent of 3-Foot Dose Rate O Scintometer in P2V ACFT B Top Hot in P2V ACFT Theoretical Curve 0 200 400 600 800 1000 Altitude, Feet Figure 3.3 Radiation attenuation over land (P2V-5 aircraft). 2V Percent of 3- Foot Dose Rote © !2-O1N, 164-41 A l2-JIN, 165-02E Helicopter O Off Janet Theoretical Curve oO E ARCHIVES 0 200 400 600 800 1000 1200 Altitude ,Feet Figure 3.4 Radiation attenuation over water. 27 2€