Antenna Theory Directivity
12:26
Antenna Theory Propagation
11:22
Antenna Theory Bandwidth
35:17
Extra Class Lesson 9.1, Basics of Antennas
41:02
HackadayU: Introduction to Antenna Basics - Class 1
19:55
Electronics Introduction to LC Oscillators circa 1974 US Air Force Training Film
20:23
Electromagnetic Waves - with Sir Lawrence Bragg
12:05
Introduction to Acoustic Interference and Loudspeaker Directivity
12:17