Alan Melia wrote: > Hi all, a more complete version of my HF Convention (2002) presentation on > LF Propagation, is now loaded on my web site. The direct URL is > > http://www.alan.melia.btinternet.co.uk/geometry.htm > > Thanks to everyone, for a very enjoyable day. > > Cheers de Alan G3NYK > alan.melia at btinternet.com