"Factors Influencing F-layer Propagation at 50 MHz", by Roger Harrison, VK2ZRH, is now available on the Madison DX Club YouTube Channel": https://www.youtube.com/watch?v=-mmOVTEYsq8&t=1808s
Enjoy, Bob W9EWZ _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
