http://www.astrosurf.com/luxorion/Radio/nm7m-hf-propagation-tutorial.pdf

NM7M’s HF Propagation tutorial 2015
by Bob Brown, NM7M
presented by Thierry Lombry, LX4SKY

The HTML version of this document by Thierry Lombry, LX4SKY
http://www.astrosurf.com/luxorion/qsl-hf-tutorial-nm7m.htm
http://www.astrosurf.com/luxorion/qsl-hf-tutorial-nm7m2.htm
http://www.astrosurf.com/luxorion/qsl-hf-tutorial-nm7m3.htm
http://www.astrosurf.com/luxorion/qsl-hf-tutorial-nm7m4.htm
http://www.astrosurf.com/luxorion/qsl-hf-tutorial-nm7m5.htm
http://www.astrosurf.com/luxorion/qsl-hf-tutorial-nm7m6.htm
http://www.astrosurf.com/luxorion/qsl-hf-tutorial-nm7m7.htm
http://www.astrosurf.com/luxorion/qsl-hf-tutorial-nm7m8.htm