There are countless articles on these topics on the net. I think the following articles best illustrate the topics in an accurate and concise manner. They are listed in the order of importance:

The classic article by Walter Maxwell

 

Smith Chart powerpoint from TRW

 

Why 50 ohms?

 

Plain Talk about a fancy subject

The Easy Way

VE3KL Reflections

 

AA6ZM Lets Talk TLs

 

On 30 Jun 2011, I gave a short talk on this topic at our club meeting, followed by a demo using a Lecher Line, RF gen and a home made RF probe made by 9V1CW. This is the presentation material. I shall try to put up some photos of the equipment we used for the demo soon.

Coming soon: Photos of the lecher line we built out of tinned hookup wire and ball pen barrels, as well as a simple RF detector probe to use with my good old Avo8

 

 

Transmission Lines