

0.5 1.0 1.5 



LOW LEVEL TRANSMISSION LOSS IN DB 



Fig. 19 — The variation in spike energy with the low level loss adjustment (o- = 1) for the 



724B. This experimental curve for the spike energy should be compared with the 



idealized flat power curves of Fig. 15 



o 



10 20 30 40 



HYDROGEN PRESSURE IN MM. OF MERCURY 



Fig. 20 — The effect of gas pressure on the spike energy for the 724B 



66 



