at 9 o'clock The broadcast will be one 6.04 megacycles and 11.73 megacycles. Subsequent programs in the Harvard series this month will be: February 11, two plays by the Radio Workshop; February 18 ...

Instead of recording radiation at a single of fixed frequency, their receivers were able to record intensity at all frequencies from 70 to 130 megacycles per second (later the band was extended ...