An hour elapsed. Penny was half asleep by the time Mrs. Deline and Mr. Parker entered the hotel together. They were chatting animatedly and would not have seen her had she not scrambled from the wing chair.
Seeing Penny, Mrs. Deline quickly bade Mr. Parker good night and vanished into an elevator.
“You shouldn’t have waited up,” Mr. Parker chided his daughter. “Why, it’s nearly midnight.”
“There’s an important message for you, Dad. You’re to call Major Gregg.”
Mr. Parker looked disconcerted. “How long ago did that call come, Penny?”
“About an hour ago. Or that’s when I learned of it.”
Mr. Parker went quickly to a telephone booth and was gone for some time. When he returned his face was animated.
“Good news?” Penny asked eagerly.
“Not exactly,” Mr. Parker replied, sliding into a chair beside her and dropping his voice. “A message from Interceptor Headquarters. Monitoring machines have traced the outlaw radio station again. The broadcast finished about an hour ago.”
“And where was the station located this time, Dad?”