SPARK GAP SWITCHES FOR RADAR 



587 



10 15 20 25 30 35 



TIME IN MICROSECONDS 



O 

 > 2 



O 



15 20 25 



TIME IN MICROSECONDS 



j.'ig 17— Oscillographic traces of voltage vs. time as measured at the midpoint oi a 

 two-gap circuit during breakdown of 1B22 tubes (a) for normal operating switch voltage 

 (b) for operation at maximum switch voltage. 



