Here are the slides for a presentation given to The Valley Radio Club on May 3, 2019. The hope is that the slides contain enough detail that the reader could easily build and run the examples in 4NEC2.
Practical Antenna Modeling Power Point Presentation
Practical Antenna Modeling PDF format slides
Using the NEC Codes
With Examples of HF Wire Antennas and 4NEC2
Squash Practice 