During this time he worked on the theory of radio transmission.

Since the beginning of the 20th century, the tower has been used for radio transmission.

Furthermore, I will cut off radio transmission from within the control room.

In 1901 the first radio transmission was made across the Atlantic.

This was the last radio transmission received from the flight.

This results in radio transmission as the method of choice.

There would probably not be any open radio transmissions to pick up.

A single radio transmission will lower the risk to himself.

Hours passed, with only the confirmation that the radio transmission had been received.

Another method often used is the use of radio transmissions.