Electronic Projects and Electronics Tutorials - An electronics tutorial radio design site. A page that covers nearly every conceivable subject of RF design and construction; with tips, hints and advice. my.integritynet.com.au/purdic
Harry's Homebrew - Antennas, home brew radio circuits, and some theory. sm0vpo.8m.com
How does a RF receiver work ? - How do radio receivers manage to communicate over huge distances? An explanation of the fundamental mechanism. www.4p8.com/eric.brasseur/receiv.html
How Radio Works - Informative multipart tutorial with illustrations and animations explains everything about radio waves, many related links. www.howstuffworks.com/radio.htm
Octaloop Antenna - A gif schematic of a 8 sided antenna with mount details. www.altair.org/projects/8loop.gif
Receiving Loop Theory - N4YWK - Sensitivity of multi turn receiving loops. www.lwca.org/library/articles/ywk/looptheo.htm