I. The signal officer leaped from his position and made a vicious grab at the thin paper tape that was snaking from his typer to the master transmitter. It tore just at the entrance slot. The tape-end slid in; disappeared. The master transmitter growled as the tape-end passed the scanner. Meters slapped up against the overload stop and two of the big rectifier tubes flashed over. Circuit breakers came open with a crash down in the power room, and up in the master modulator room the bell alarms r