HF Radio Wave Propogation Posted on April 24, 2016 by VE1LG Reply http://qrznow.com/ham-radio-tutorial-hf-radio-wave-propogation/
A Few Ideas for VHF Antennas Posted on April 24, 2016 by VE1LG Reply 10 Cool VHF Portable Antennas You Can Make At Home
Wire Antennas Posted on April 24, 2016 by VE1LG Reply This antenna website is a little short on theory, but provides a quick reference when you need it. http://www.n4lcd.com/wireantennas/