The following list shows the links to technical articles and notes on this
site and selected ones on other sites that I have found useful. I hope to keep
growing this with more topics and more articles under the topics listed. If you
have something that may be of general interest, answers to frequently asked
questions, or technical tips please send them to me at the address at the
bottom of this page. I will also try to pull off summaries or individual
articles from various mail reflectors that I subscribe to that may be of
Since many sites have moved and Google or other search sites can find them
faster I have pulled out most of the links that just went to other sites.
KN4LF Web Info. In
2005 KN4LF retired from doing his propagation prediction web site.
He gave me permission to archive much of the interesting learning
material. I have these in two formats below, the HTML pages have
live links to other sites and are quicker loading, the PDF files are
larger and the links don't work. Note, I have just started to
fix all the links, there are some that may still try to link back to other
pages that may go away sometime in the future.