Common Mode Current, Where does it come from & how to fix it? (013b)

In the first video we understood what common mode current really is.
In this video I explore where it comes from in practical terms. I each case I answer the question, "What can I do about it?"
00:05 Introduction Sources of Common-Mode Current & What can we do about it?
00:21 SOURCE #1: Feeding a Balanced Antenna with an Unbalanced Feedline
01:37 HOW DO YOU FIX THAT?
02:45 SOURCE #2: Mismatched Antenna Leg Impedances
04:12 HOW DO YOU FIX THAT?
05:36 SOURCE #3: R.F. Radiated from an Antenna
07:07 HOW DO YOU FIX THIS?
08:15 SOURCE #4: Common-Mode Current in an adjacent Feedline
09:18 HOW DO YOU FIX THIS?
09:56 IMPORTANT NOTE REGARDING THE OUTER SKIN OF YOUR COAX: It acts like a random length antenna!
11:20 ---chokes teaser
11:31 Final Comments and Toodle-oots!