Technology Radiation

1. Astronomy The Walker School 2. In the sun, hydrogen atoms are fussed into  helium, producing radiation. 3. Range: 400-700 nanometers 4. This visible-light image from…

Documents Chapter 4

Chapter 4 Propagation, Antennas and Feed Lines Chapter 4 Propagation, Antennas & Feed Lines Today’s agenda How radio signals travel from place to place Basic concepts…